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Rollei XF35 - Rangefinder coupled M Mount Conversion
Old 08-07-2019   #1
Techball
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Talking Rollei XF35 - Rangefinder coupled M Mount Conversion

Hi folks,

Iím proud to have made this rangefinder coupled m mount lens. 10 blade iris from eBay is the most expensive part ($12). The design is 3D printed on an Anycubic i3 Mega. I think itís one of the cleanest conversions outside of MS-Optical, which is my inspiration and goal for the future with custom machining. This is a hobby but I hope I can sell converted lenses in the future as well. Next lens conversion will be a Nikon Action Touch.

Pictures and video:
https://imgur.com/gallery/oNJbUWi

Cheers!
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Old 08-07-2019   #2
splitimageview
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very cool! Is that just an off the shelf LTM adapter on the back of the lens?
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Old 08-07-2019   #3
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Very nicely done! I have a spare Nikkor 35 2.5 from my Nikonos. When I took it out of the waterproof housing I was surprised to see how tiny the lens was.
Perhaps that could be the basis for a future conversion?
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Old 08-07-2019   #4
Phil_F_NM
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Quote:
Originally Posted by Huss View Post
Very nicely done! I have a spare Nikkor 35 2.5 from my Nikonos. When I took it out of the waterproof housing I was surprised to see how tiny the lens was.
Perhaps that could be the basis for a future conversion?
You could get the 3.5cm f/2.5 Nikkor in LTM for not much. You'd have a great lens, and not have to butcher another optic. That particular Nikkor is the one that pulled me away from Leica in 2012.
Phil Forrest
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Old 08-07-2019   #5
splitimageview
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True, but that Nikkor is a collector lens, the Nikonos lens can be obtained quite cheaply. I paid $10 for mine on ebay, it's perfect. Just waiting to use it on something.
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Old 08-07-2019   #6
p.giannakis
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I had one of these:





The lens is really good. Here is one picture taken in low light.
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Old 08-07-2019   #7
Huss
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Quote:
Originally Posted by splitimageview View Post
True, but that Nikkor is a collector lens, the Nikonos lens can be obtained quite cheaply. I paid $10 for mine on ebay, it's perfect. Just waiting to use it on something.
Yeah I paid about that for mine. It was a spare, as I wanted to experiment with it and remove the massive front glass filter to see how it would work w/o it w/ regards to lens flare.
To pull out that glass all you have to do is remove the front O-ring. Of course I took apart the whole thing from the back before I figured that out!
Eeesh.
Either way, it works great with that glass removed. And if I am taking pics in bad weather etc, I just use the one that is still sealed up.
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Old 08-08-2019   #8
Techball
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Quote:
Originally Posted by splitimageview View Post
very cool! Is that just an off the shelf LTM adapter on the back of the lens?
You bet, I 3D printed the rangefinder cam and the holder for a 10 blade iris off eBay. The original lens only had program mode and used a combined aperture and shutter (diamond shaped). The whole thing is then mounted into a ltm to m mount adaptor (makes sense to use something already well manufactured).
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Old 08-08-2019   #9
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Quote:
Originally Posted by Huss View Post
Very nicely done! I have a spare Nikkor 35 2.5 from my Nikonos. When I took it out of the waterproof housing I was surprised to see how tiny the lens was.
Perhaps that could be the basis for a future conversion?
That sounds like a great lens. I will need to source a cheap copy to play with.
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Old 08-08-2019   #10
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Originally Posted by p.giannakis View Post
I had one of these:





The lens is really good. Here is one picture taken in low light.
I hear the XF is pretty under valued because of comparison with the older Rollei 35S Sonnar and also the downgrade in construction of the body. Now the lens can have a life of its own. I paid 5 euros for the camera which was already gutted for parts from a old camera store.
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