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Contaflex to nex
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PostPosted: Sat Sep 23, 2017 10:35 pm    Post subject: Contaflex to nex Reply with quote


Just a post for those interresting with Contaflex lenses.

I got lot of inspiration from many links over the web, wonderful conversion and photos, so I decided to make mine.

I know nothing about conversion, so I expect some hard time, but Contaflex are so so so cheap...
10 euros for the camera, 15 euros for 35mm 3.2 and 115mm 4.


STARTING DISASSEMBLY, a little heart breaking






I am waiting for the helicoidal focusin ring M52 M42 17-31, and other ring to adapt M52 M42, C-mount ring as well.
I will be able to shoot in less than 2 months.

If you have advices or photos from previous conversion, don't hesitate to share !

PostPosted: Mon Sep 25, 2017 8:20 am    Post subject: Reply with quote

Thanks for sharing!. I love those adaptations, didn't know the Contaflex were running so cheap...
A source of inspiration for myself!. Wink

PostPosted: Mon Sep 25, 2017 9:00 am    Post subject: Reply with quote

Yep hell cheap, last week I bought 3 contaflex - 10 euros each...

I forgot to share my links of inspiration


I didn't like cheap focusing ring from ebay, so I ordered some on taobao that are more expansive, will see if it is good or not, but I have to wait 1 month minimum Evil or Very Mad

PostPosted: Mon Nov 13, 2017 11:03 pm    Post subject: Reply with quote

Some news,

I finally received everything.

Here how I expect to assemble everything

2. 55mm female - 52mm male
3. Expensive Helicoid, because it is Zeiss lens Smile
4. slim M42 to NEX


The 55mm Female / 52mm Male perfectly sit into the bottom of the lens (once the inner thread have been trimmed with a blade cutter)
I have disassemble an other contaflex lens, the outer diameter of the lens is totally different from this one.


Final assembly, need to test before gluing with Cyanolit

So what I can say, this is my 1st conversion, it is super easy (I know nothing), you don't have to disassemble the lens to stuck the shutter open (good news)

I keep update once I have some sample (35mm / 50mm / 85mm / 115mm)

I am converting others lenses as well, a nice contaflex 126 more difficult because of the aperture ring, an old mamiya rangefinder and UV topcor adapter on its way.
Hope it will be worth the effort.

If someone have some tips and trick on how to set infinit focus, I would be greatful. I know with helicoid you don't have to be super accurate, but if you have some litterature or link...

PostPosted: Tue Nov 14, 2017 8:26 am    Post subject: Reply with quote

Thanks for this detailed overview Like 1 small

O and we want sample-pics Thank You Dog

PostPosted: Sat Dec 09, 2017 3:44 pm    Post subject: Reply with quote


I let you read on my blog all the conversion details.


I bring those lens with me on my next trip to Tenerife, I will post here mid january more interresting samples image.

To sum up, this is very very very easy to make ! and so cheap !