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Ash
Joined: 12 Mar 2010
Posts: 185
Location: Evanston, il, usa
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 Posted: Thu Sep 23, 2010 12:27 pm Post subject: spiratone 18mm 3.2 - surprise !! |
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Ash wrote:
I bought this lens a while back and didnt check it afterwards. While going through my old stuff I stumbled upon this lens and thought-lets give it a try. I was really surprise to see how close it can focus. It was merely 6-7 inches giving me max magnification of 1:4 (approx) ! Even though it is not very sharp but I think I can find some really creative use for it . 
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mo
Joined: 27 Aug 2009
Posts: 8982
Location: Australia
Expire: 2016-07-30
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| Posted: Thu Sep 23, 2010 12:29 pm Post subject: |
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mo wrote:
 Seriously cool closeness..3D pop as well??
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Moira, Moderator 
Fuji XE-1,Pentax K-01,Panasonic G1,Panasonic G5,Pentax MX
Ricoh Singlex TLS,KR-5,KR-5Super,XR-10
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Auto Rikenon's 55/1.4, 1.8, 2.8... 50/1.7 Takumar 2/58 Preset Takumar 2.8/105 Auto Takumar 2.2/55, 3.5/35 Super Takumar 1.8/55...Macro Takumar F4/50... CZJ Biotar ALU M42 2/58 CZJ Tessar ALU M42 2.8/50
CZJ DDR Flektogon Zebra M42 2.8/35 CZJ Pancolar M42 2/50 CZJ Pancolar Exakta 2/50
Auto Mamiya/Sekor 1.8/55 ...Auto Mamiya/Sekor 2/50 Auto Mamiya/Sekor 2.8/50 Auto Mamiya/Sekor 200/3.5 Tamron SP500/8 Tamron SP350/5.6 Tamron SP90/2.5
Primoplan 1.9/58 Primagon 4.5/35 Telemegor 5.5/150 Angenieux 3.5/28 Angenieux 3,5/135 Y 2
Canon FL 58/1.2,Canon FL85/1.8,Canon FL 100/3.5,Canon SSC 2.8/100 ,Konica AR 100/2.8, Nikkor P 105/2.5
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rbelyell
Joined: 13 Oct 2009
Posts: 4269
Location: somewhere in the mountains of central NY
Expire: 2014-01-31
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| Posted: Thu Sep 23, 2010 12:41 pm Post subject: |
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rbelyell wrote:
sharp enough i woul say! i think these spiratones are very underrated as i recently picked up a 500mm mirror minitel T mount and ive found that it is just great.
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poilu
Joined: 26 Aug 2007
Posts: 10471
Location: Greece
Expire: 2019-08-29
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| Posted: Thu Sep 23, 2010 12:50 pm Post subject: |
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poilu wrote:
nice compositions, my fav #1
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martinsmith99
Joined: 31 Aug 2008
Posts: 6943
Location: S Glos, UK
Expire: 2013-11-18
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| Posted: Thu Sep 23, 2010 12:50 pm Post subject: |
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martinsmith99 wrote:
Hmmm, I may be missing something. The bokeh is nice and smooth but IQ looks soft and flat to my eyes?
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Ash
Joined: 12 Mar 2010
Posts: 185
Location: Evanston, il, usa
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| Posted: Thu Sep 23, 2010 12:56 pm Post subject: |
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Ash wrote:
It is little soft wide open.. anyways i never expected it to be razor sharp wide open... |
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PBFACTS
Joined: 24 Dec 2008
Posts: 564
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| Posted: Thu Sep 23, 2010 1:33 pm Post subject: |
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PBFACTS wrote:
Spiratone 18/3.2 = Sigma 18/3.2
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Om2 sp + T32 (grip/filter/zoom) + T8
+ Zuiko 16mm 3.5 / 55mm 1.2 / 65-200 4/ x1.4
+ Sigma 8mm 4.0 / 14mm 3.5 / 18-35 3.5-4.5
+ Tamron 35/105 2.8
+Tokina 150/500 5.6
+ Kiron 105/2.8 macro 1:1
+ Vivitar S1 90/180 falst field macro
+ 2x Doubler HR7
>>I SELL: OM10 + OM4ti
+ i sell: OM Md1 + Md 2 + Grip PowerPack + charger
+ i sell: OM Zuiko 24mm 2.8 / 28mm 3.5 / 50mm 1.8 / 50mm 1.4 / 50mm 3.5 macro / 35-70 3.6 / 35-105 3.5-4.5 / 75-150 4 / 500mm / 2xA
+ i sell: OM Kiron 28/105 3.2-4.5 / 1.5 converter
+ i sell: OM Makinon reflex 5.6/300 + Spector reflex (makinon) 500mm
+ i sell: OM Macro panagor extender 1:1
+ i sell: OM Sigma 16mm 2.8 fisheye (last version) / 21-35 3.5-4.2 ot/ 28-70 2.8 /1000mm mirror
+ i sell: Tamron 28-70 3.5-4.5 / 28-80 sp 3.5-4.2 / 28-135 sp 4-4.5 / /28-200 3.5 / 35-135 3..5-4.5 / 90mm sp macro 1:1 2.8
+ i sell: OM Soligor 2x doubler / x3 converte
+ i sell: Soligor FisheEye x0.15
+ i sell: OM Tokina 28/135 4-4.6 / 70/210 3.5 (= vivitar S1 v2)
+ i sell: OM Vivitar 28-70 3.5-4.8 / 28-90 s1 2.8-3.5 / 35-70 2.8-3.8 / 55/2.8 Macro 1:1 (komine) / 70-150 3.8 ot (kiron) / 75-150 ot 3.8 (tokina + 2x matched)
+ i sell : OM cosina 100-500 5.6/8 |
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visualopsins
Joined: 05 Mar 2009
Posts: 10525
Location: California
Expire: 2025-04-11
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| Posted: Thu Sep 23, 2010 3:01 pm Post subject: |
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visualopsins wrote:
| PBFACTS wrote: |
| Spiratone 18/3.2 = Sigma 18/3.2 |
The early Sigma (and Spiratone branded model) is f/3.5. The later version (Sigma-made) Spiratone f/3.2 and f/3.5 are the exact same lens. I have all of these, and will be posting photos of them and an example comparison later. (edit: The later F/3.5 and F/3.2 versions are NOT identical! See Spiratone 18mm Rectilinear -- Three Versions )
The later versions are surprisingly sharp at infinity, a little softer wide open, but by f/5.6 are as sharp as Tamron 3.5/17.
The Spiratones are rectilinear, not fisheye.
There are example photos (not mine) here: http://forum.manualfocus.org/viewtopic.php?id=13222
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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)
Last edited by visualopsins on Sun Sep 26, 2010 6:41 pm; edited 2 times in total |
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martinsmith99
Joined: 31 Aug 2008
Posts: 6943
Location: S Glos, UK
Expire: 2013-11-18
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| Posted: Thu Sep 23, 2010 7:43 pm Post subject: |
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martinsmith99 wrote:
What's it like stopped down a bit? I have a 19mm Vivitar which isn't brilliant wide open, but even down one stop it changes quickly to something very usable.
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Ash
Joined: 12 Mar 2010
Posts: 185
Location: Evanston, il, usa
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| Posted: Fri Sep 24, 2010 7:20 am Post subject: |
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Ash wrote:
stopped down it is sharp (at least what my a200 can resolve).. I will try to do some tests this weekend and will post some images.. |
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Ash
Joined: 12 Mar 2010
Posts: 185
Location: Evanston, il, usa
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| Posted: Mon Sep 27, 2010 2:23 pm Post subject: |
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Ash wrote:
Over weekend I did some crude tests with this 18mm. Posting a comparison at close focus (but not min focal distance) for different f stops. Sorry for difference in exposure. Below are the 100% crop of the images.
@f3.2
@f4.0
@f5.6
@f8.0
@f11
@f16
You can access full image @ http://picasaweb.google.com/ashutosh.srv/Spirantone18mmTest#
In my opinion it is sharp enough at @5.6 till f11 if no PP is used. If some PP is used one can use it at 3.2 ! |
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Ash
Joined: 12 Mar 2010
Posts: 185
Location: Evanston, il, usa
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| Posted: Tue Oct 05, 2010 8:53 am Post subject: |
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Ash wrote:
some more samples at f8 infinity focus... center is pretty sharp but things are lost on borders and this is on APC-S camera.. full frame would be worse 
ORIGINAL
Center 100% crop
Border 100% crop
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visualopsins
Joined: 05 Mar 2009
Posts: 10525
Location: California
Expire: 2025-04-11
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| Posted: Thu Oct 07, 2010 4:06 am Post subject: |
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visualopsins wrote:
Ash, the entire left side of original is soft focus compared to right side, as if the lens was tilted slightly on camera.
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☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ 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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