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About Design & Interfaces / Student Member Felix Tchvertkin26/Male/Israel Group :iconthe-photoholics: The-Photoholics
 
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Yesterday I finally got M42 mount ring adapter for Nikon
the first lens I tried to put on the camera was the Helios 44-2, after I attached it on the camera I found that it have infinity focus problem so I have to modify the lens so it can go to infinity.



so today I took other old Russian lens that I own
the lens is Industar 50-2, standard 50mm f/3.5, probably on of the cheapest lens that been produced during the soviet time
you can get it from eBay for 20$
it came as a kit lens on Zenit-E
A by FX-1988
originally this lens designed for rangefinder cameras like Zorki or Kiev during the 50's
during it evolution it have been modify for Russian SLR film cameras.
B by FX-1988
so as I expected the moment I put this lens on my Nikon i found that it couldn't go to infinity, so as the Helios 44-2, the Industar 50-2 should went through some modification so it could go to infinity.

this time I found, or maybe this the problem, I couldn't find any information about how to modify this lens for DSLR.
so I went on trial and error. as the Helios 44-2 I guess that I should extend the rear lens
so the first step is taking the rear lens out
1 by FX-1988
use screwdriver or some other hard material that can rotate the ring
when you pulling all your pressure on the screwdriver try to aim your force to the outer of the ring so if the screwdriver accidentally run away it wont scratch the lens
2 by FX-1988

after releasing the ring take out the rear lens
3 by FX-1988

now you have an access for the aperture system.
I noticed that a regular rubber wouldn't work here because the space between the lens and the bottom is big
4 by FX-1988
I found much thicker rubber and place it on the bottom, the same Idea as the modification of the Helios 44
5 by FX-1988
I put all the parts back and check the lens ,but the modification didn't work, it still couldn't go to infinity
I decide to create a ring that came before the rear lens and will extend it.
the hardest part was to find a good material that would be thick enough and easy to work
the first material was cork

6 by FX-1988

but the cork been to soft and when I tried to screw the lens back it simply sink inside the cork
the next material was an artistically dens carbord, 4mm thick.
7 by FX-1988

8 by FX-1988
and this time it worked, the cardboard extend the rear lens
9 by FX-1988
I put it on my camera and that how it look
now it can go to infinity focuses
10 by FX-1988
 I didn't have time to check the lens and to write a review but I took some photo that compare diffident aperture situations
the first is the wide open aperture at f/3.5
F2 by FX-1988
it didn't look good here and when you crop to 100% you find another problem
the flares is very strong, I really don't know why I checking this lens.
probably because I always reads that old lens are sometimes better then today's lenses.
but if you want to use old equipment to get retro effect I think it be much cheaper to buy vaseline and rub your lend with it.
that what you get for 20$?
100% crop f/3.5
100-f2 by FX-1988
I went to f/8 and the whole image star improving F8 by FX-1988
f/8 100% crop
100-f8 by FX-1988
the last stop was at f/16
F16 by FX-1988

100-f16 by FX-1988
the focused assist of the D7100 had some problems to tell me if i focused or not, but i believe that this photo been focus
for somehow it works better on f/8 than  f/16
I was pretty impressed for it capability on f/8 and it low price
it not a fast lens, I don't believe you gonna use f/3.5 for any photo, only to the low retro effect.
it good for outdoor in good light condition, and remember you get for what you pay for. I didn't have much time to check it, this post was more about how to modify your lens than reviewing it

I believe that it can be interesting to test this lens with standard nikkor lens like the kit 18-105

tank you for riding
If you have something to say or add or even to suggest you welcome
and you're also invited to my blog
the-photoholics.blogspot.com

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FX-1988's Profile Picture
FX-1988
Felix Tchvertkin
Artist | Student | Design & Interfaces
Israel
Current Residence: Israel - Modi'in / Haifa
Personal Quote: Less is only more when more is no good

www.flickr.com/photos/fx-1988

and my blog
the-photoholics.blogspot.com
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:iconkahver:
kahver Featured By Owner 27 minutes ago
Thx for the fave ;)
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Hoopsci Featured By Owner 49 minutes ago  Hobbyist Photographer
Thanks for the fave :-)
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FlowerOfTheForest Featured By Owner 4 hours ago  Hobbyist Photographer
thanks for the :+fav:'s and the :+llama: :hug:
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Luna1282 Featured By Owner 11 hours ago  Hobbyist Photographer
Thanks for the fav!  It is greatly appreciated!
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NBrownPhotography Featured By Owner Edited 12 hours ago  New member  Photographer
hey there, I can sell the photo of the cat, and the horses to you as a print, if you want?
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JophesXI Featured By Owner 14 hours ago  Hobbyist General Artist
Thanks for the fave!
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Calua Featured By Owner Edited 16 hours ago  Hobbyist Traditional Artist
thanks for the fav and the Llama 
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SMBaird Featured By Owner 17 hours ago  Hobbyist Photographer
Thanks so much for the faves. :)
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kapala01 Featured By Owner 17 hours ago  Hobbyist
Thanks for the :+fav:
:)
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mIkeschwaRz Featured By Owner 19 hours ago
Thx 4 the :+fav:
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