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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15685
Expire: 2014-01-07
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Posted: Mon Oct 28, 2013 4:22 am Post subject: Sigma 3.5-4.5/21-35 on EOS 10qd, Polypan F50, RO9 1:100 |
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iangreenhalgh1 wrote:
I hate this film, it's soft, very grainy, has crappy tonality. It only has two good points imho - it dries very flat and it has a quite good dynamic range.
Souped in Ro9 (Rodinal copy) diluted 1:100 for 60mins at 20C, cold tap water for stop bath then fixed for 5 mins in my homebrew fixer.
The lens is pretty good, needs to be stopped down about 2 stops to be sharp right to the corners but there is very little falloff of illumination and distortion is acceptable. In most of these shots I have used Photoshop to correct the barrel distortion using +8 in the Lens Correction filter when the shot was taken with the lens at the 21mm setting. I can't say what the CA and sharpness of the lens in like because firstly, I haven't shot colour with it yet and secondly, this film is soft which masks the sharpness of the lens.
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_________________ I don't care who designed it, who made it or what country it comes from - I just enjoy using it!
Last edited by iangreenhalgh1 on Mon Oct 28, 2013 5:42 pm; edited 2 times in total |
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Attila
Joined: 24 Feb 2007 Posts: 57839 Location: Hungary
Expire: 2021-11-18
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Posted: Mon Oct 28, 2013 4:25 am Post subject: |
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Attila wrote:
yes, film is crappy, but makes pictures to old look lens is good congrats! _________________ -------------------------------
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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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15685
Expire: 2014-01-07
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Posted: Mon Oct 28, 2013 4:29 am Post subject: |
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iangreenhalgh1 wrote:
Cheers, I like the lens and it was very cheap so I'm pleased with it. My Konica Hexanon 4/21 is of course, quite a bit better, but nice to have a backup.
Here's a comparison to show the barrel distortion at the 21mm end, first is uncorrected, second has been corrected:
_________________ 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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Katastrofo
Joined: 26 Feb 2007 Posts: 10405 Location: USA
Expire: 2013-11-19
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Posted: Mon Oct 28, 2013 7:02 am Post subject: |
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Katastrofo wrote:
Yes, the lens' performance shines through despite the film. Thanks for sharing these, have yet to try my copy of
the lens:
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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15685
Expire: 2014-01-07
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Posted: Mon Oct 28, 2013 2:28 pm Post subject: |
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iangreenhalgh1 wrote:
Hope you enjoy it Bill, I like mine, now I need to give it some decent film to play with. _________________ 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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Katastrofo
Joined: 26 Feb 2007 Posts: 10405 Location: USA
Expire: 2013-11-19
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Posted: Mon Oct 28, 2013 3:15 pm Post subject: |
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Katastrofo wrote:
iangreenhalgh1 wrote: |
Hope you enjoy it Bill, I like mine, now I need to give it some decent film to play with. |
Hope so, too, Ian, I don't thrive on disappointment. Your results are encouraging... |
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iangreenhalgh1
Joined: 18 Mar 2011 Posts: 15685
Expire: 2014-01-07
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Posted: Mon Oct 28, 2013 4:59 pm Post subject: |
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iangreenhalgh1 wrote:
Good luck. I didn't get far with a second shoot today, it went from a quite bright half clear sky to raining after I got no more than 300yrds from the house. _________________ 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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