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visualopsins
Joined: 05 Mar 2009
Posts: 10543
Location: California
Expire: 2025-04-11
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 Posted: Sat Nov 28, 2020 2:15 pm Post subject: |
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visualopsins wrote:
| D1N0 wrote: |
| visualopsins wrote: |
| SMC Pentax Zoom 1:4/45-125mm |
That is a great zoom. I have a pretty beat up copy with a scratched up front element and it still produces better images than many a modern zoom. I have a second one coming in from Japan. |
I know! Used to have two m42 and one like this, sold... Useful focal range for crop and full frame sensors. Excellent IQ from wide open.
_________________
☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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pater_68
Joined: 27 Nov 2020
Posts: 3
Location: Magyarország
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| Posted: Sat Nov 28, 2020 5:38 pm Post subject: |
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pater_68 wrote:
YASHICA LENS ML ZOOM 42-75mm 1:3.5-4.5 MADE IN JAPAN |
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stevemark
Joined: 29 Apr 2011
Posts: 3754
Location: Switzerland
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| Posted: Sat Nov 28, 2020 5:57 pm Post subject: |
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stevemark wrote:
| pater_68 wrote: |
| YASHICA LENS ML ZOOM 42-75mm 1:3.5-4.5 MADE IN JAPAN |
Not a bad lens at all, apart from its slightly unusual 42-75mm focal length!
S
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www.artaphot.ch |
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visualopsins
Joined: 05 Mar 2009
Posts: 10543
Location: California
Expire: 2025-04-11
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| Posted: Sat Nov 28, 2020 7:42 pm Post subject: |
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visualopsins wrote:
Welcome pater_68
_________________
☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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stevemark
Joined: 29 Apr 2011
Posts: 3754
Location: Switzerland
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| Posted: Tue Dec 01, 2020 7:43 pm Post subject: |
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stevemark wrote:
| connloyalist wrote: |
I just took delivery of a Steinheil Tele-Quinar 200mm 4.5 in M42 mount. Yes, it is quite heavy (660 gr). But I am blown away by how sharp it is, even wide open. And the build quality is second to none. My Schneider Kreuznach 200mm 5.5 has just lost its place as the best 200mm lens that I own. Although when I go to the zoo for example I will still be carrying something a little less heavy (the Minolta MDIII 200mm is nice and light weight for such purposes).
This is my first Steinheil, but probably not the last one.
Regards, C. |
I've been able to clean my pristine looking sample today; one lens surface just in front of the aperture was heavily fogged, and a second on slightly. Now I'm curious to see how it performs!
S
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www.artaphot.ch |
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uddhava
Joined: 22 Aug 2012
Posts: 3073
Location: Hungary
Expire: 2021-06-21
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| Posted: Tue Dec 01, 2020 7:54 pm Post subject: |
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uddhava wrote:
| pater_68 wrote: |
| YASHICA LENS ML ZOOM 42-75mm 1:3.5-4.5 MADE IN JAPAN |
Welcome to the forum, will be happy to see some photos with your new lens. |
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stevemark
Joined: 29 Apr 2011
Posts: 3754
Location: Switzerland
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| Posted: Tue Dec 01, 2020 8:19 pm Post subject: |
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stevemark wrote:
Cosinon 2.8/135mm and 2.8/35mm, both included in a set of eight "defective" SLRs - some in fact defective, others not so much 
The 2.8/35mm was not new to me; I had bought another sample a few weeks ago for next to nothing. It is optically quite a good lens - better than the average 2.8/35mm from the late 1960s (such as the Konica Hexanon AR 2.8/35mm or the Minolta MC 2.8/35mm [7/7]), but not as good as the best 2.8/35mm from the early 1980s (e. g. Minolta MD-III 2.8/35mm).
The Cosinon 2.8/135mm - a rather short lens for its focal length - reminds me of the later Tokina RMC 2.8/135mm. Both lenses are surprisingly sharp wide open, though with a slightly low contrast. Lateral CAs are well controlled, and both lenses don't really improve much when stopping down.
Both Cosinon lens barrels (2.8/35mm as well as 2.8/135mm) are rather "low quality". Focusing has gone dry, and there's a certain amount of play as a result of the (now partly missing) lubricants.
Also included in the mentioned set of "defunct" cameras was this Vivitar (Komine) 1.9/35mm. The lens has a quite good reputation, and it certainly is better corrected than the Nikkor AiS 1.4/35mm, but not really on par with both Minolta 1.8/35mm computations (the large MC and the smaller MD). While the barrel feels solid, focusing is nowhere nearly as smooth as with the MC-X Rokkor 1.8/35mm. Up to now I have only compared the resolution on 24MP FF (infinity), but not its bokeh, distortion and vignetting.
S
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cyberjunkie
Joined: 24 Mar 2010
Posts: 282
Location: Chiang Mai, Bologna, Amsterdam
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| Posted: Wed Dec 02, 2020 8:20 am Post subject: |
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cyberjunkie wrote:
| stevemark wrote: |
| connloyalist wrote: |
I just took delivery of a Steinheil Tele-Quinar 200mm 4.5 in M42 mount. Yes, it is quite heavy (660 gr). But I am blown away by how sharp it is, even wide open. And the build quality is second to none. My Schneider Kreuznach 200mm 5.5 has just lost its place as the best 200mm lens that I own. Although when I go to the zoo for example I will still be carrying something a little less heavy (the Minolta MDIII 200mm is nice and light weight for such purposes).
This is my first Steinheil, but probably not the last one.
|
I've been able to clean my pristine looking sample today; one lens surface just in front of the aperture was heavily fogged, and a second on slightly. Now I'm curious to see how it performs!
|
I have recently done a quick test of my most loved/better/interesting vintage 180/200mm lenses.
The results weren't exactly as I expected. Some humble/old lenses performed very well, while other more expensive objectives (especially the faster ones) didn't meet my expectations.
The best M42 vintage 200mm lens was the Steinheil f/4.5. No doubts about that.
Mine comes with the huge, beautiful original hood, which could have helped tame loss of contrast and reflections. I didn't shoot contre jour though.
The lack of fringing and the out-of-focus rendition were exemplary. The sharpness level was perfectly fine wide open, and more than good stopping down one or two clicks.
Bumping up the contrast a little bit, and giving a touch of fine tuning in post processing, made the overall quality of the image almost on par with the best MF objectives I own (in the 180/200mm focal range).
Considering that the lens has more or less my age, has a rather conventional design, and of course is single coated and has none of the special glasses that would become commonplace in expensive Tele lenses made 25/30 years later... well, the performance of this old fellow is simply amazing.
The perceived build quality is also very good, and seems to confirm the high standards followed by Steinheil at that time.
Btw, I find the lens very beautiful. Which doesn't hurt. Isn't it? 
_________________
Pentax Bodies: 6x7, K2, MX, LX, Super A, Z-1, K-1, K-5 II, K-01, K10D, K200D
Other cameras: Leica CL, Leica M5, Rolleiflex, Mamiya Super 23, Horizont, and many bellows cameras from 4x5" to 8x10"
- Shooting only digital recently, FF and APS-C
- Collecting vintage large format lenses (plenty of them )
- Looking for Pentax-A* 200mm Macro and Pentax-A* 1.8/135mm, Sigma 150mm or 180mm Macro PK, Sigma 50-500 AF PK, Enna 1.5/85mm M42; selling Pentacon Six/Pentax 67/Mamiya Press/Leica M/Rolleiflex/4x5"/Manfrotto stuff
MY BELOVED PK, M42 LENSES
Photographica sets
On sale |
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kds315*
Joined: 12 Mar 2008
Posts: 16544
Location: Weinheim, Germany
Expire: 2021-03-09
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| Posted: Wed Dec 02, 2020 2:06 pm Post subject: |
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kds315* wrote:
I always liked STEINHEIL lenses (the original brand, not the later who just (mis-)used that name), have quite a few of them, quite good despite their simple designs - they knew well what they were doing back then!
This here is the rarest one of my small collection and only one known to exist...(from the Steinheil Museum when it was dissolved) - it is from around 1920, one of the fasted lenses for UV EVER made!
and it still delivers (reflected UV image):
_________________
Klaus - Admin
"S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)]
http://www.macrolenses.de for macro and special lens info
http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info
https://www.flickr.com/photos/kds315/albums my albums using various lenses
http://photographyoftheinvisibleworld.blogspot.com/ my UV BLOG
http://www.travelmeetsfood.com/blog Food + Travel BLOG
https://galeriafotografia.com Architecture + Drone photography
Currently most FAV lens(es):
X80QF f3.2/80mm
Hypergon f11/26mm
ELCAN UV f5.6/52mm
Zeiss UV-Planar f4/60mm
Zeiss UV-Planar f2/62mm
Lomo Уфар-12 f2.5/41mm
Lomo Зуфар-2 f4.0/350mm
Lomo ZIKAR-1A f1.2/100mm
Nikon UV Nikkor f4.5/105mm
Zeiss UV-Sonnar f4.3/105mm
CERCO UV-VIS-NIR f1.8/45mm
CERCO UV-VIS-NIR f4.1/94mm
CERCO UV-VIS-NIR f2.8/100mm
Steinheil Quarzobjektiv f1.8/50mm
Pentax Quartz Takumar f3.5/85mm
Carl Zeiss Jena UV-Objektiv f4/60mm
NYE OPTICAL Lyman-Alpha II f1.1/90mm
NYE OPTICAL Lyman-Alpha I f2.8/200mm
COASTAL OPTICS f4/60mm UV-VIS-IR Apo
COASTAL OPTICS f4.5/105mm UV-Micro-Apo
Pentax Ultra-Achromatic Takumar f4.5/85mm
Pentax Ultra-Achromatic Takumar f5.6/300mm
Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm
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calvin83
Joined: 12 Apr 2009
Posts: 7554
Location: Hong Kong
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| Posted: Wed Dec 02, 2020 3:00 pm Post subject: |
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calvin83 wrote:
| kds315* wrote: |
I always liked STEINHEIL lenses (the original brand, not the later who just (mis-)used that name), have quite a few of them, quite good despite their simple designs - they knew well what they were doing back then!
This here is the rarest one of my small collection and only one known to exist...(from the Steinheil Museum when it was dissolved) - it is from around 1920, one of the fasted lenses for UV EVER made!
and it still delivers (reflected UV image):
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Impressive lens!  
_________________
https://lensfever.com/
https://www.instagram.com/_lens_fever/
The best lens is the one you have with you. |
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uddhava
Joined: 22 Aug 2012
Posts: 3073
Location: Hungary
Expire: 2021-06-21
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| Posted: Wed Dec 02, 2020 3:40 pm Post subject: |
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uddhava wrote:
Nice! |
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JMC
Joined: 29 May 2018
Posts: 178
Location: London, UK
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| Posted: Wed Dec 02, 2020 4:31 pm Post subject: |
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JMC wrote:
Oooh, that lovely Steinheil 50mm Quartz lens Klaus. Fabulous piece of optics. |
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Oldhand
Joined: 01 Apr 2013
Posts: 6009
Location: Mid North Coast NSW - Australia
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| Posted: Wed Dec 02, 2020 8:47 pm Post subject: |
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Oldhand wrote:
| kds315* wrote: |
I always liked STEINHEIL lenses (the original brand, not the later who just (mis-)used that name), have quite a few of them, quite good despite their simple designs - they knew well what they were doing back then!
This here is the rarest one of my small collection and only one known to exist...(from the Steinheil Museum when it was dissolved) - it is from around 1920, one of the fasted lenses for UV EVER made!
and it still delivers (reflected UV image):
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visualopsins
Joined: 05 Mar 2009
Posts: 10543
Location: California
Expire: 2025-04-11
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| Posted: Wed Dec 02, 2020 9:02 pm Post subject: |
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visualopsins wrote:
Is the quartz left- or right-handed?
_________________
☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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kds315*
Joined: 12 Mar 2008
Posts: 16544
Location: Weinheim, Germany
Expire: 2021-03-09
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| Posted: Wed Dec 02, 2020 11:19 pm Post subject: |
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kds315* wrote:
Thanks guys!!
| visualopsins wrote: |
| Is the quartz left- or right-handed? |
Cut in a way to avoid birefringence based side effects - did you really expect STEINHEIL not to know about such?
That lens was originally made for their famous UV spectrograph to record faint UV spectra...
_________________
Klaus - Admin
"S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)]
http://www.macrolenses.de for macro and special lens info
http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info
https://www.flickr.com/photos/kds315/albums my albums using various lenses
http://photographyoftheinvisibleworld.blogspot.com/ my UV BLOG
http://www.travelmeetsfood.com/blog Food + Travel BLOG
https://galeriafotografia.com Architecture + Drone photography
Currently most FAV lens(es):
X80QF f3.2/80mm
Hypergon f11/26mm
ELCAN UV f5.6/52mm
Zeiss UV-Planar f4/60mm
Zeiss UV-Planar f2/62mm
Lomo Уфар-12 f2.5/41mm
Lomo Зуфар-2 f4.0/350mm
Lomo ZIKAR-1A f1.2/100mm
Nikon UV Nikkor f4.5/105mm
Zeiss UV-Sonnar f4.3/105mm
CERCO UV-VIS-NIR f1.8/45mm
CERCO UV-VIS-NIR f4.1/94mm
CERCO UV-VIS-NIR f2.8/100mm
Steinheil Quarzobjektiv f1.8/50mm
Pentax Quartz Takumar f3.5/85mm
Carl Zeiss Jena UV-Objektiv f4/60mm
NYE OPTICAL Lyman-Alpha II f1.1/90mm
NYE OPTICAL Lyman-Alpha I f2.8/200mm
COASTAL OPTICS f4/60mm UV-VIS-IR Apo
COASTAL OPTICS f4.5/105mm UV-Micro-Apo
Pentax Ultra-Achromatic Takumar f4.5/85mm
Pentax Ultra-Achromatic Takumar f5.6/300mm
Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm
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blotafton
Joined: 08 Aug 2013
Posts: 1554
Location: Sweden
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| Posted: Wed Dec 02, 2020 11:56 pm Post subject: |
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blotafton wrote:
| kds315* wrote: |
I always liked STEINHEIL lenses (the original brand, not the later who just (mis-)used that name), have quite a few of them, quite good despite their simple designs - they knew well what they were doing back then!
This here is the rarest one of my small collection and only one known to exist...(from the Steinheil Museum when it was dissolved) - it is from around 1920, one of the fasted lenses for UV EVER made!
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Very interesting! |
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visualopsins
Joined: 05 Mar 2009
Posts: 10543
Location: California
Expire: 2025-04-11
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| Posted: Wed Dec 02, 2020 11:59 pm Post subject: |
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visualopsins wrote:
| kds315* wrote: |
Thanks guys!!
| visualopsins wrote: |
| Is the quartz left- or right-handed? |
Cut in a way to avoid birefringence based side effects - did you really expect STEINHEIL not to know about such?
That lens was originally made for their famous UV spectrograph to record faint UV spectra... |
Whoa! How does asking about crystal lattice direction equal me expecting Steinheil not to know about it?
Birefringence is at minimum cut along the long axis, yes, but the question is: is the quartz crystal structure left- or right-handed? I wonder did they mine that quartz or make it?
You probably know http://quartzpage.de/gen_phys.html others maybe not...
_________________
☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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kds315*
Joined: 12 Mar 2008
Posts: 16544
Location: Weinheim, Germany
Expire: 2021-03-09
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| Posted: Thu Dec 03, 2020 9:31 am Post subject: |
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kds315* wrote:
| visualopsins wrote: |
| kds315* wrote: |
Thanks guys!!
| visualopsins wrote: |
| Is the quartz left- or right-handed? |
Cut in a way to avoid birefringence based side effects - did you really expect STEINHEIL not to know about such?
That lens was originally made for their famous UV spectrograph to record faint UV spectra... |
Whoa! How does asking about crystal lattice direction equal me expecting Steinheil not to know about it?
Birefringence is at minimum cut along the long axis, yes, but the question is: is the quartz crystal structure left- or right-handed? I wonder did they mine that quartz or make it?
You probably know http://quartzpage.de/gen_phys.html others maybe not... |
From what I read they were using large clear chunks of Brazilian mined quartz and cut it in Germany. Quartz prisms were cut left and right orientated, polished to high precision and then combined to eleminate birefringence effects.
_________________
Klaus - Admin
"S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)]
http://www.macrolenses.de for macro and special lens info
http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info
https://www.flickr.com/photos/kds315/albums my albums using various lenses
http://photographyoftheinvisibleworld.blogspot.com/ my UV BLOG
http://www.travelmeetsfood.com/blog Food + Travel BLOG
https://galeriafotografia.com Architecture + Drone photography
Currently most FAV lens(es):
X80QF f3.2/80mm
Hypergon f11/26mm
ELCAN UV f5.6/52mm
Zeiss UV-Planar f4/60mm
Zeiss UV-Planar f2/62mm
Lomo Уфар-12 f2.5/41mm
Lomo Зуфар-2 f4.0/350mm
Lomo ZIKAR-1A f1.2/100mm
Nikon UV Nikkor f4.5/105mm
Zeiss UV-Sonnar f4.3/105mm
CERCO UV-VIS-NIR f1.8/45mm
CERCO UV-VIS-NIR f4.1/94mm
CERCO UV-VIS-NIR f2.8/100mm
Steinheil Quarzobjektiv f1.8/50mm
Pentax Quartz Takumar f3.5/85mm
Carl Zeiss Jena UV-Objektiv f4/60mm
NYE OPTICAL Lyman-Alpha II f1.1/90mm
NYE OPTICAL Lyman-Alpha I f2.8/200mm
COASTAL OPTICS f4/60mm UV-VIS-IR Apo
COASTAL OPTICS f4.5/105mm UV-Micro-Apo
Pentax Ultra-Achromatic Takumar f4.5/85mm
Pentax Ultra-Achromatic Takumar f5.6/300mm
Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm
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DigiChromeEd
Joined: 29 Dec 2009
Posts: 3462
Location: Northern Ireland
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| Posted: Thu Dec 03, 2020 11:15 am Post subject: |
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DigiChromeEd wrote:
Soligor 90-230mm f4.5
A very common Tokina made lens in many guises but it is in mint unused condition with integral tripod mount, a M42 T4 mount and it cost me pennies.
Photo courtesy of seller.
_________________
"I've got a Nikon camera, I like to take a photograph" - Paul Simon |
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visualopsins
Joined: 05 Mar 2009
Posts: 10543
Location: California
Expire: 2025-04-11
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| Posted: Thu Dec 03, 2020 5:35 pm Post subject: |
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visualopsins wrote:
| kds315* wrote: |
| visualopsins wrote: |
| kds315* wrote: |
Thanks guys!!
| visualopsins wrote: |
| Is the quartz left- or right-handed? |
Cut in a way to avoid birefringence based side effects - did you really expect STEINHEIL not to know about such?
That lens was originally made for their famous UV spectrograph to record faint UV spectra... |
Whoa! How does asking about crystal lattice direction equal me expecting Steinheil not to know about it?
Birefringence is at minimum cut along the long axis, yes, but the question is: is the quartz crystal structure left- or right-handed? I wonder did they mine that quartz or make it?
You probably know http://quartzpage.de/gen_phys.html others maybe not... |
From what I read they were using large clear chunks of Brazilian mined quartz and cut it in Germany. Quartz prisms were cut left and right orientated, polished to high precision and then combined to eleminate birefringence effects. |
 fascinating
Lenses are easier than prisms.  Cut lens blank wafers from longitudinal cylinder...
However, the question remains, is the lens quartz left- or right-handed? (or mixed?) (Note: asking about crystal growth here. )
Another question: does light pass from top to bottom or bottom to top of long axis in the lens?
I don't know how these can be determined if not documented.
_________________
☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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walter g
Joined: 20 Feb 2010
Posts: 2463
Location: NC, USA
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| Posted: Thu Dec 03, 2020 9:19 pm Post subject: |
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walter g wrote:
Well, my birthday is this month, so my birthday gift is on the way.
Soligor C/D 28mm f2 lens with caps and case. Unfortunately it's in OM mount, so I'm adding another mount.
I also have a K&F Concepts OM / E Mount adapter on the way.
_________________
Main cameras
Panasonic G5,Nikon J1,Pentax Q10,Sony Nex 6
Minolta MC W SI 2.5/28, MD 2.8/28, MC W SG 3.5/28, MC Celtic 3.5/28, MC W HG 2.8/35, MD Celtic 2.8/35, QE 4/35, Rokkor X 2/45, MC Rokkor X PG 1.4/50, MC Rokkor X PG 1.7/50, MD Rokkor X 1.7/50, MD 2/50, MC Rokkor PF 1.7/55, MC Rokkor PF 1.9/55, Auto Tele Rokkor PG 2.8/135, MC Tele Rokkor QD 3.5/135, TC 4/135, MC Celtic 4/200, MC Tele Rokkor PE 4.5/200
MD 28-70 f3.5-4.8, MD Macro 35-70 f3.5, Md 70-210 f4, MD Rokkor X 75-200 f4.5, MD 100-200 f5.6
Nikon Nikkor 4/20, O Auto 2/35, S Auto 1.4/50..... Miranda Auto 2.8/28, Auto 2.8/35, Auto 1.4/50, Auto EC 1.4/50, Auto 1.8/50, Auto EC 1.8/50,Auto 1.9/50, Auto 3.5/135
Various Soligor,Sun,Fujita,Komura,Spitatone, etc. Lenses
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walter g
Joined: 20 Feb 2010
Posts: 2463
Location: NC, USA
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| Posted: Thu Dec 03, 2020 9:41 pm Post subject: |
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walter g wrote:
| walter g wrote: |
Well, my birthday is this month, so my birthday gift is on the way.
Soligor C/D 28mm f2 lens with caps and case. Unfortunately it's in OM mount, so I'm adding another mount.
I also have a K&F Concepts OM / E Mount adapter on the way. |
I just won a Soligor C/D Wide angle 58mm lens hood. This is for the 35mm, but will work fine on apsc and m4/3 cams.
_________________
Main cameras
Panasonic G5,Nikon J1,Pentax Q10,Sony Nex 6
Minolta MC W SI 2.5/28, MD 2.8/28, MC W SG 3.5/28, MC Celtic 3.5/28, MC W HG 2.8/35, MD Celtic 2.8/35, QE 4/35, Rokkor X 2/45, MC Rokkor X PG 1.4/50, MC Rokkor X PG 1.7/50, MD Rokkor X 1.7/50, MD 2/50, MC Rokkor PF 1.7/55, MC Rokkor PF 1.9/55, Auto Tele Rokkor PG 2.8/135, MC Tele Rokkor QD 3.5/135, TC 4/135, MC Celtic 4/200, MC Tele Rokkor PE 4.5/200
MD 28-70 f3.5-4.8, MD Macro 35-70 f3.5, Md 70-210 f4, MD Rokkor X 75-200 f4.5, MD 100-200 f5.6
Nikon Nikkor 4/20, O Auto 2/35, S Auto 1.4/50..... Miranda Auto 2.8/28, Auto 2.8/35, Auto 1.4/50, Auto EC 1.4/50, Auto 1.8/50, Auto EC 1.8/50,Auto 1.9/50, Auto 3.5/135
Various Soligor,Sun,Fujita,Komura,Spitatone, etc. Lenses
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stevemark
Joined: 29 Apr 2011
Posts: 3754
Location: Switzerland
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| Posted: Thu Dec 03, 2020 9:49 pm Post subject: |
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stevemark wrote:
No, I' didn't know ... Interesting to find there, in the "recommended books" section, the "Quarz Monographie" from Rudolf Rykart. When I was a kid, he and another guy were responsible for the large crystal collection of our local science museum in Lucerne. In fact they were, to some extent, responsible that I later would study chemistry ...
Thanks for the link.
S
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www.artaphot.ch |
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benadamx
Joined: 25 Feb 2019
Posts: 329
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| Posted: Fri Dec 04, 2020 12:07 am Post subject: |
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benadamx wrote:
just came up a Canon FD 50mm f/1.4 chrome-nose at the salvage shop.. i've already got an nFD 50/1.4 but have heard this older one has nicer rendering somehow (different formula? haven't looked it up yet), excited to give it a proper try once the sky clears up a bit |
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Blazer0ne
Joined: 12 Sep 2018
Posts: 836
Expire: 2024-12-07
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| Posted: Fri Dec 04, 2020 6:25 am Post subject: |
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Blazer0ne wrote:
...
Last edited by Blazer0ne on Tue Feb 22, 2022 6:15 pm; edited 1 time in total |
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