Mamiya C330 with a new lens DIY project

[arri]

I used two Leitz Wetzlar Summar lenses.
120mm f/4.5 Six elements in four groups, original made for macron and reprographic work but I wanted to see how it perform in standard usage.

And a sample. made with Rollei RPX 400, developed in Wehner Devloper

 

[Dayrell bishop]

Looks to be very sharp , is that the full negative ? . I would have expected some fall off in the corners .

 

[Pete B]

I would've thought the lenses would be too far from the film

 

[Noserider]

Nice; was the install on the shutter fairly easy?

 

[arri]

Looks to be very sharp , is that the full negative ? . I would have expected some fall off in the corners .

It shows the full frame, the fall of the sharpness is more the small depth of field, I think.
I want to test the lenses with another film, this Rollei RPX 400 is not a good choice, it is very grainy.

 

[arri]

Nice; was the install on the shutter fairly easy?

To install lenses for TLR you have different problems, one of it is that you have to take care that the lenses have identic focus length.
This both lenses are a little bit different and so I have to change the focus length of the finder lens.
Only this makes it possible to use the lens in the full focus range.
Otherwise it is only sharp at infinity.


The machining process were a not really easy, the Summar has an uncommon thread and I have to take care the the indexies of the aperture scales are on the right placees when the lenses are tighten in the threads.
To take care of this each lens adapter is made of three parts.