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What's the Lens? What's the camera?


gogopix

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Here is a little detective work. This is a shot and a crop from a len and a camera. One or both are, of course LEICA! There are obvious clues in the FOV, and the crop.

 

I will also share this; one of the items is OLD and you would never think this would work!

 

have any ideas?

 

Regards

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Well from the resolution you can estimate what the sensor is (and I can tell you it is NOT 10 MP)

 

So, if it is a big sensor, how big? (should guesstimate from the relative size.

 

what about the lens?

 

The general category of lens was named; there are not a lot of telephotos in the M line, or are there?

 

Anyway, can someone estimate the focal length from the forshortening? I will also say this was from over 100 feet away.

 

The lens will give a clue as to the camera. Think flange to film distance.

 

In the end, This may open up some thinking on the use of older long FL lenses with large sensors.

and BTW, the crop is 100% crop actual pixels, not ressed up!

 

regards

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Well, the back has been guessed, but not the resolution (and no, it isnt a scanning back, unless I borrowed some figures from Madame Taussauds)

 

The TYPE of leica lens, was guessed, and even the formulation, and yes, even the focal length! but too many choices from the guesses.)

 

Now, for the lens, what mount! :-)

 

What f number? (this would lock in the mount, I think)

 

And for the camera, no way to get exactly, just say, mine was the 'two adapter' version of this set up)

 

regards

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Close, but no cigar, SDAI.

 

I wonder about the M mount Viso (later 6.8 and 5.6)

 

Fotodiox make the LTM to hasselblad and for a small fortune you can get the hasey to Contasx 645 adapter

 

What is interesting is that the older screw mount Visoflex lenses have a very large image circle 6x6 or even 6x7

Here, on original you CAN see a bit of vignertting with this 400mm f5

 

I wil have a hasselblad to Visoflex adapter made with hassey and viso mounts from an old broken Visoflex II (the Viso III has a step that actually uses usp too much of the contax flange-film to work)

 

In any case, may not need infinity focus for birding.

 

This is a much better arrangement than the 500mm f8 hassey lens. The 400mm isnt great (about 280mm 135 equivalent) but what amazed me was the resolution of the glass at the 2 1/4 in circle.

 

A little cumbersome but at under 1000 for the set this was an interesting, and surprisingly useful combo.

 

BTW. does anyone know if the M visoflex have similar large circle of image? Hard to test without the adapet.

 

regards

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