What's your biggest?

Impressive. Now you need a Kilfit Reflex Housing to use it on your M ...

Photos taken with the lens, please 🙂

Roland.
 
I think you had better explain further what is between the lens and the camera: photographing a gnat's ass comes to mind with this set up.

LOL Here it is set to shoot out to about 50 feet. Min is around 3 meters.

A proper adapter for this lens to say, nikon or M, is like 150USD, if you can find one. Or more 🙁

So I took the adapter I had, going to nothing, literally no mount (still sells for 100USD) and glued one end of an extension tube to it. Then I add or subtract tubes to hit infinity or closer. It's a fair number of tubes just to infinity. Then i add a few to get in range of my birds.

I've had the lens for years but never adapted it. So these are my very first shots:

no editing except some NR:

DSC01112 by unoh7, on Flickr

DSC01103 by unoh7, on Flickr

So "how sharp is it?" LOL

a crop of the last:

DSC01103-2 by unoh7, on Flickr

Seems fairly reasonable, what do you think, Roland?
 
What mount was it originally manufactured for? Unless I've missed it, I don't think you've mentioned that. I seem to recall reading that some Kilfitt lenses were made in Exakta mount, but I'm not sure in which if any other mounts.
 
Hmm. The 'longest' lens I have is a 350mm Petzval I picked up at a old timer car trade show a year ago. The biggest must be a 300mm f/5.6 in M42 I have stashed somewhere.
 
I don't own (or need) anything over 200mm, so I'll go with a different definition of "big": my Canon FDn 135mm f2, which is just a big, chunky bucket of glass. My X-E1 just barely peaks out from the sides.
 
Nice one. I think the distance/depth-of-field scale on the lens barrel makes it look really cool, but I especially like that the closest focus distance is only 3m. That is an often under-appreciated spec for a telephoto lens, but one which I have learned is critical for birding and other smaller targets.

Here is mine, a Canon FDn 150-600mm 5.6/L zoom.
8463126740_1b2f7a36f2_b.jpg


I was fortunate to purchase this at a good price about 10 years ago and enjoy using it for birds, wildlife in general, a little astrophotography, and other things. Closest focus is 3m, and it works great with teleconverters too.



Jeff
 
I used to have a Nikon 600/5.6 AIS that I had converted to AIP (i.e., chipped) by Roland Eliott, but at some point, I decided that manually focusing a 600mm lens on a gimbal head was not for me.

I just received the new Nikon 200-500mm/5.6 last Wednesday, but have not done anything with it other than take it out of the box to attach a QR plate on it -- been too busy and it's been in the high 90's / 100's here the past few days.

I might drive out to a local lake for some birding later today before the sun goes down and/or at sunrise tomorrow.
 
My largest lens is the Pentax-67 300mm f/4 that came with a used 6x7 body and other stuff, including a 2x teleconverter that adds some more length... 🙂

It only focuses down to 5m, but that of course doesn't change with the 2x. I have adapters to use it on Pentax 645, Pentax K-mount, and Leica S but have used it only on the P6x7 camera.
 

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Effective 800mm F11 Apo Minolta Rokkor-X.
400mm F5.6 Apo Rokkor-X with Minolta Apo 2X Converter.
In bright sun, I can use this with Eastman 5222 XX film.
Shown on my motorized Minolta SR-M, with gimbal head and Zone VI lightweight tripod.
Ideal for birding in full sunlight.

I need the longer focal length because I am shooting film. I enjoy the challenges of doing this vs shooting digital.

004 by Nokton48, on Flickr
 
What mount was it originally manufactured for? Unless I've missed it, I don't think you've mentioned that. I seem to recall reading that some Kilfitt lenses were made in Exakta mount, but I'm not sure in which if any other mounts.

The mount is a separate piece and you get the one which applies. Alpa, Contarex, Leica M, Nikon F or even a Canon were available, but now are hoarded and fetch high prices.

With glue I made my own mount adapter using extension tubes. It attaches to the generic WE adapter, countless which the lens happened to come with.
 
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