Topic
Topic author: Brian
Posted on: 20121229104134
Reply author: Jacques M.
Replied on: 20121229110720
Hi Brian!
I don't know what a monochrom digital camera is (or just a faint idea) but the 1950 Jupiter... Zeiss glasses, probably?
Astonishing!
Jacques.
Reply author: Brian
Replied on: 20121229160229
The Jupiter-3: Zeiss Glass, and a Zeiss SN on the rear fixture. This lens looks like it had never been used: the focal length was wrong, and it was held into the Contax mount with sewing thread. There was no shim, and it front-focused terribly. I set the focal length for the Leica, and moved it into a Leica mount. Focus is perfect at f1.5 across the entire range.
Reply author: stephanvdz
Replied on: 20121230153221
wow... i like those BW, but the M monochrome is out of reach for me... sadly
Stephan
Reply author: Brian
Replied on: 20130102184041
It's an expensive camera, no doubt. I let the camera collection pay for this one, about half of it from selling lenses accumulated before the age of digital.
Reply author: womble
Replied on: 20130103160930
Lovely results from that combination. I'd be tempted by the Monochrom if I ever win the lottery...!
K.
Reply author: Brian
Replied on: 20130317144840
http://g3.img-dpreview.com/4904EB8AF909432A9F07572B155022C6.jpg
I took three Sonnars to the Marine Museum in Quantico, Virginia: A 1936 Carl Zeiss Jena 5cm F1.5 (Factory coated, converted to Leica mount), an early Nikkor-SC 5cm F1.4, and the 1950 Jupiter-3.
All shots wide-open, on the M Monochrom.
http://www.dpreview.com/galleries/876628771/albums/jupiter-3-1936-sonnar-nikkor-5cm-f1-4To my eyes- the 1950 Jupiter-3 has higher contrast, sharper, and less field curvature. The lens was originally in Contax/Kiev mount but did not focus correctly, and the mount prevented it from being properly shimmed. I moved it to a Leica thread mount. This one is special: I changed the position of the rear triplet four times to minimize field curvature, changing the main shim each time. I'm going to experiment with a second J-3 for this.
This is my favorite lens on the new camera.
Reply author: Jacques M.
Replied on: 20130318050629
Thanks for this comparison, Brian.
Finally, these lenses seem very close: all is probably more a question of shim and regulation of the body than a problem of quality, no?
A pity that the prices of the Jup 3 keep on increasing...
Amitiés. Jacques.
Reply author: Brian
Replied on: 20130319192202
I have two J-3's on the way in, one will be used to convert a Sonnar to Leica mount "on request".
The other is going to get a perfect-glass 1956 KMZ optics module in it. I've been buying J-3's with broken filter rings, scratched glass, etc- and "upgrading" them. Days of $50 J-3's are over, but they are getting the respect that they deserve.
Reply author: uwittehh
Replied on: 20130321172102
Brian,
the shots are great! They make fun to use my "new" J-3 from 1951 which is originally a coatet 1943 Sonnar :-)
Ulrich
http://fotos.cconin.de