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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15679
Expire: 2014-01-07
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Posted: Wed Mar 05, 2014 11:42 pm Post subject: 1930s Kodak Anastigmat 4.5/7.5cm on 6x9 |
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iangreenhalgh1 wrote:
After the success I had with the Meyer Trioplan 4.5/10.5cm:
http://forum.mflenses.com/1920s-meyer-trioplan-4-5-10-5cm-on-6x9-t64830.html
I decided to try another old uncoated triplet lens. The Trioplan had smooth bokeh with no evidence of the 'artistic' rendering typical of some other triplets like the 2.8/100 Trioplan and the 2.9/50 Meritar. I figured that a shorter length lens that only just and so covered the format might show some wierdness in the outer portions as it was being pushed beyond it's rated coverage. So I took the Kodak Anastigmat 4.5/7.5cm in Compur from a broken Kodak Duo 620 folder and mounted it for use on my Century Graphic 23:
The results are very similar to the Trioplan - sharp but smooth. So it looks like the triplets that have the 'artistic' rendering are the fast 2.8/2.9 ones and slower 4.5 triplets are rather better corrected. First image is with Agfa Litex graphic arts film, second is with 1968 expired Kodak Panatomic-x. Both wide open at f4.5, 1/2 sec. Developed in stock Kodak DK-50for 9 and 24 mins respectively.
_________________ I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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luisalegria
Joined: 07 Mar 2008 Posts: 6602 Location: San Francisco, USA
Expire: 2018-01-18
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Posted: Wed Mar 05, 2014 11:50 pm Post subject: |
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luisalegria wrote:
The Duo 620 is a very neat little camera.
Nice helical unit focus on a folder, or mine is anyway, your looks like a front cell focus type.
I have one I am fixing, have to get the bellows replaced ultimately and its held together with tape at the moment.
Yeah, the "Kodak" triplet is sharp on mine too.
Good job testing coverage on 6x9 _________________ I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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Lloydy
Joined: 02 Sep 2009 Posts: 7788 Location: Ironbridge. UK.
Expire: 2022-01-01
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Posted: Thu Mar 06, 2014 12:21 am Post subject: |
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Lloydy wrote:
I like the second shot, very good indeed. _________________ LENSES & CAMERAS FOR SALE.....
I have loads of stuff that I have to get rid of, if you see me commenting about something I have got and you want one, ask me.
My Flickr https://www.flickr.com/photos/mudplugga/
My ipernity -
http://www.ipernity.com/home/294337 |
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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15679
Expire: 2014-01-07
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Posted: Thu Mar 06, 2014 12:35 am Post subject: |
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iangreenhalgh1 wrote:
Cheers Dave. My favourite hammer.
Luis, mine is front cell focusing. You can have the bellows from mine if you want, I'll check them tomorrow for condition.
Coverage at infinity, f22 is a fraction shy of the full frame, but that's okay, I have other lenses to use for infinity. This was at f22, infinity, 3 seconds exposure in an attempt to produce a nice blurred effect on the train, but instead it disappeared apart from the lights, note the slight vignette top left.
_________________ I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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luisalegria
Joined: 07 Mar 2008 Posts: 6602 Location: San Francisco, USA
Expire: 2018-01-18
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Posted: Thu Mar 06, 2014 1:02 am Post subject: |
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luisalegria wrote:
Not as much vignetting as I would have expected. It looks like it would neatly cover 6x7 at least.
Of course the corners may still be less than acceptable. _________________ I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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luisalegria
Joined: 07 Mar 2008 Posts: 6602 Location: San Francisco, USA
Expire: 2018-01-18
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Posted: Thu Mar 06, 2014 1:07 am Post subject: |
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luisalegria wrote:
Assuming a 50 deg horizontal field of view of a 75mm on 6x7, it should be like a 38mm on 35mm.
So you have a useful wide angle there (assuming acceptable corners). _________________ I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15679
Expire: 2014-01-07
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Posted: Thu Mar 06, 2014 1:24 am Post subject: |
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iangreenhalgh1 wrote:
Yes, it would cover 6x7 fine, the image circle is at it's maximum at f22 (the smallest aperture setting on the shutter it is in) so it will be a bit smaller at larger apertures. I have four 80mm lenses that cover 6x9 fine - Schneider Componon 5.6/80, Mamiya-Sekor 2.8/80 (tiny bit of vignette), Minolta CE-Rokkor 5.6/80 and Wray HR Lustrar 5.6/82, so this Kodak 75mm not quite covering at infinity isn't an issue for me, it will still have it's uses. _________________ I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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Attila
Joined: 24 Feb 2007 Posts: 57865 Location: Hungary
Expire: 2025-11-18
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Posted: Fri Mar 07, 2014 1:40 am Post subject: |
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Attila wrote:
Hammer is damn good, general rule works, close distance works well with any lens. _________________ -------------------------------
Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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anscochrome
Joined: 23 Dec 2010 Posts: 115 Location: Omaha, NE
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Posted: Fri Mar 07, 2014 3:41 am Post subject: |
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anscochrome wrote:
Find a trashed up dead Kodak Medalist (but with a clean lens) sometime, and rescue the 100mm F 3.5 Ektar from that camera. It is a beaut, a Heliar derivative that gave me outstanding 6x9 negatives. |
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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15679
Expire: 2014-01-07
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Posted: Fri Mar 07, 2014 10:14 am Post subject: |
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iangreenhalgh1 wrote:
Cheers Attila, you're right, close up, most any lens will work.
Never seen a Medalist for sale here, sadly. I do want a Heliar sometime, a Voigtlander folder with one went for 68ukp the other day on ebay. Dallmeyer Pentacs are very similar, but those always go for stupid money to Far Eastern buyers. _________________ I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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uddhava
Joined: 22 Aug 2012 Posts: 3072 Location: Hungary
Expire: 2021-06-21
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Posted: Fri Mar 07, 2014 4:16 pm Post subject: |
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uddhava wrote:
The photo of the hammer looks very nice.
You are always trying out some interesting lens!
Way beyond me though.
I did buy an Agfa Isolette II and shot some film with it.
Still waiting to develop it though. |
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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15679
Expire: 2014-01-07
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Posted: Fri Mar 07, 2014 5:15 pm Post subject: |
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iangreenhalgh1 wrote:
Cheers. I look for old folders with issues that I can salvage the lenses and shutters from. Sometimes I just want the shutter, but sometimes if the lens has good glass, they can be rather useful too.
The Isolettes are good cameras. The Agnar and Apotar lenses on them are triplets, the Agnar was cheaper because it was slower. The Solinar is a tessar type and the most desirable, but they are all quite capable. _________________ I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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