ELCAN replica lens posts

I had a 16mm Hologon for Contax remounted for Leica M. I found some uses for it, but it was basically incompatible with digital sensors. The images in this ad are mostly showing significant vignetting, perhaps from not using the center filter. But when I try to use my M mount 21/3.4 on my M10's, it also vignettes badly and shows flare. These putative Hologin images also show flare of the sort I get from my SA. I strongly doubt that any Hologon will work well on current digital sensors.

I finally old my 16mm Hologon, since I rarely shoot film any more. I fail to see much of a market for a new / old Hologon 15mm. Kevin and I discussed Hologons about a year ago, and I showed him some nice film images I had made. In the right environment, Hologons are sharp to the edges of the frame, and appear to distort less than other super WAs. I guess we will see.
 
The Hologon 16/8 work well with the M10 when all colors are removed. I have posted many images from my Hologon here. It is a lens that is meant to be used with a film camera. There, it shines.

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Very nice images, Raid. No, I sold my Hologon 16 about 6 years ago, when it I was told it should not be mounted on my M8. But when I try to use my 21/3.4 Leitz Super Anguon on either on my M10's, I do not like what I get. There is a lot of flare and vignetting. So, I would have assumed, perhaps incorrectly, that the Hologon would have done the same thing.

I will shortly upload a couple of my 21 SA M10 images, so you see what I mean.

Ed
 
Very nice images, Raid. No, I sold my Hologon 16 about 6 years ago, when it I was told it should not be mounted on my M8. But when I try to use my 21/3.4 Leitz Super Anguon on either on my M10's, I do not like what I get. There is a lot of flare and vignetting. So, I would have assumed, perhaps incorrectly, that the Hologon would have done the same thing.

I will shortly upload a couple of my 21 SA M10 images, so you see what I mean.

Ed

I use my 16/8 Hologon with the M8, and it has hardly any color smears or vignetting. My lens was adapted by Don Goldberg (DAG), and he did an excellent job. Maybe it depends how the Hologon was changed to M mount.
 
The 21mm f3.4 is from the sixties and the 16mm f8 is from the late nineties (together with the Contax G1 and G2).

Erik.

Such facts may explain the different designs and different levels of performances with digital sensors. Thanks Erik.
Is the 21/3.4 a non-retrofocus lens or retrofocus?
 
The Hologons and the SAs are non-retrofocus, with their rear elements about 1mm from the film or sensor (approximate). That is the problem with digital sensors and these lenses, as the sensors have to be made to accommodate the oblique rays near the edges.

The 16mm Hologon was, IIRC, made of five elements (2 sets of them cemented) and thus was easier to make than the original, which was only three element, the center element looking like a dumbbell. I cannot comment on the optical differences, because I never owned a 15mm Hologon. I did snag one of their original Leitz viewfinders, however, which is a hoot.

I will try to find some film images I made with the 16 Hologon and post them here. I really liked the lens, but its use had to be carefully planned, due to slowness with the enter filter and t he need to keep the camera horizontal.
 
These are excellent. Ed. Thanks for posting them here.
I have some other non retrofocus lenses that I would never dare to put on a digital Leica, such as a Rokkor 21/4 and Canon 19/3.5.
 
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