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Help me identify a Jupiter-11 lens mount
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PostPosted: Mon Dec 24, 2012 1:44 pm    Post subject: Help me identify a Jupiter-11 lens mount Reply with quote

Hello everyone, and merry Christmas!

I was on the market for a short tele for my NEX and I remembered I had an old Russian lens from my ex-gf lying around somewhere. Turns out it's a Jupiter-11 135/4, but I need help identifying the mount to buy the proper adapter. It doesn't look like a regular screw m42/m39 mount. I've been browsing ebay and it doesn't look like a contax mount, either. Anyway, I want to test it out and see if it's a dog or a keeper!

I took some pictures:





Any help will be appreciated! Thanks in advance Smile


Last edited by Anacondo on Mon Dec 24, 2012 2:32 pm; edited 1 time in total


PostPosted: Mon Dec 24, 2012 2:07 pm    Post subject: Reply with quote

DIY modify to an unknown one , can you show picture from rear view ?

I think you will not find any 'dog' Russian lens ever, if may do actual copy has faulty, wrongly assembled in DIY repair etc.
Good lens you will love it.


PostPosted: Mon Dec 24, 2012 2:11 pm    Post subject: Reply with quote

try unscrewing that bayonet. i've found these pix on the flickr that show jupiter 11 with some kind of an adapter screwed on that looks like yours




PostPosted: Mon Dec 24, 2012 3:50 pm    Post subject: Reply with quote

Haha, you were right, WolverineX! I used some tweezers and managed to unscrew the piece.



It's m39, for which i have no adapter yet. But I had an m42 for my Nikon and an m39->m42 ring, so this is the lens on the D90:



I don't know much about it, but it operates well, the diaphragm clicks nicely and the blades are clean for a lens this old. It's single coated and has quite some dust inside, but otherwise it's perfectly clean and the glass looks pristine. And the focus is buttery smooth! Very Happy These are some quick & dirty shots with the D90:


f/4


f/4


f/8


f/4


f/5.6


It's quite sharp at f/4, but contrast is low (perhaps because of the dust?). From there it's razor sharp to these eyes! All in all, a good buy for zero euros... looks like Santa came early for me this year! Very Happy

Thanks a lot for the help, guys!


PostPosted: Mon Dec 24, 2012 4:01 pm    Post subject: Reply with quote

Dust reduce contrast in large amount only, if glass covered for example with fine powder, early lenses has typical feature low contrast and many of them cleaned already with coating all together. Either you like low contrast output or fix it in pp, usually just a click auto contrast.I like especially last image.


PostPosted: Mon Dec 24, 2012 4:05 pm    Post subject: Reply with quote

I don't think anyone identified the bayonet adapter yet....It's not a DIY job.

It's the actual adapter supplied with the Soviet Start: http://www.sovietcams.com/index.php?1924317261 to covert it to m39.


PostPosted: Mon Dec 24, 2012 4:06 pm    Post subject: Reply with quote

Attila wrote:
Dust reduce contrast in large amount only, if glass covered for example with fine powder, early lenses has typical feature low contrast and many of them cleaned already with coating all together. Either you like low contrast output or fix it in pp, usually just a click auto contrast.I like especially last image.

I'm beginning to like low contrast too, specially for portraits. I'm going to try and learn more from the lens, and try disassembling and cleaning it. It's in such good shape I think it will be worth it!

Thanks Attila! Very Happy


PostPosted: Mon Dec 24, 2012 4:08 pm    Post subject: Reply with quote

themoleman342 wrote:
I don't think anyone identified the bayonet adapter yet....It's not a DIY job.

It's the actual adapter supplied with the Soviet Start: http://www.sovietcams.com/index.php?1924317261 to covert it to m39.

Ah, so that's the camera my ex's grandfather was using! Thanks a lot for this info, I always believed he used a rangefinder but I was wrong Very Happy


PostPosted: Mon Dec 24, 2012 4:15 pm    Post subject: Reply with quote

Here's what it would look like:

Sorry, I just snapped this quick. Mine's an earlier J11 so the cosmetics are slightly different.


PostPosted: Mon Dec 24, 2012 5:25 pm    Post subject: Reply with quote

It's a wonderful lens Smile My M39 copy doesn't reach infinity though, I guess it's a register issue.


PostPosted: Mon Dec 24, 2012 5:53 pm    Post subject: Reply with quote

Your last photo is superb, I like it a lot! Smile


PostPosted: Mon Dec 24, 2012 6:01 pm    Post subject: Reply with quote

You have superb knowledge about all strange Russian items, many thanks Marc!


PostPosted: Mon Dec 24, 2012 11:14 pm    Post subject: Reply with quote

Quote:
Here's what it would look like:


Wow, a Start Shocked
That is 50 years ago that I had one in my hands! Smile

Anacondo, your last picture is great!