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Photographing your Bokeh

Brian S

New member
Carl Zeiss Jena 5cm F3.5 Tessar "T", wide-open on the EP-2.



This lens is newly converted to Nikon S-Mount using a mount left over from a Sonnar conversion, formerly Exakta mount. Very few Tessar formula lenses were made to be used on a Nikon RF.

On the Olympus using an Amedeo Adapter.
 
G

gzuiko

Guest
1937 uncoated "bright face" Tessar 5cm f3.5, Contax mount, Panasonic Lumix G2 using Kipon advanced adapter w/helicoid, ISO 100 1/800 at f5.6



According to Harmut Thiele, this lens was manufactured and delivered for the Super-Nettel camera, but was actually used in a Contax RF mount.
 

kds315

Active member
Deliberately enhanced spherical abberration, using a Lyman Alpha f1.1/90mm catoptric lens.



Michiel, we had quite nice weather a while ago, so a lot of flowers were out, now at
-15 degrees at night, they are all nearly gone...
 

Brian S

New member
Very nice Klaus, I would like to see a picture of the lens.

This Post-War 5cm F3.5 Tessar "T" is more common, A much more common lens but few were made in Contax mount. This one is now in a Rigid Contax mount. The glass is much cleaner than the first one shown above, shimmed for Nikon S-Mount. I marked one with "N", this one with "C".

Wide-Open on the EP2.



I am thinking the Ground Hog is Right!





My TTL viewer for setting the focus for the lens in the new mount.



Next Stop; Contax IIIa.
 

kds315

Active member
This is a nice conversion Brian and the results look good to me. As this is a "bokeh" thread about using lenses, I'd rather not show lens pictures, but here is a link to that lens (those lenses actually) and another shot:

 

Brian S

New member
Konica 30mm F1.9, converted to C-Mount from a Konica "EYE" half-frame, on the EP2.

Wide-open. I need to make an aperture mechanism for this lens.



 
G

gzuiko

Guest
Wide open with that lens looks pretty darned good, I think. Maybe you don't need an aperture? (like the Pentax 110 lenses)

Jim
 

f6cvalkyrie

Well-known member
It's been a long time since I've posted anything in this thread. After I bought the GH2,
I felt less the urge to shoot with my vintage lenses (except the Nikkor 300/2.8 for birding).
I have no idea why.

But today, I took my DKL-mount SK Retina Tele-Arton 85/4 for a walk, and I came home with these :







C U,
Rafael
 

Brian S

New member
"Not on the EP2 yet", but will be using the Leica to u43 adapter.

Leitz Varob 5cm F3.5, Enlarger lens. Optically, I believe this lens is identical to the uncoated Elmar.





Now in an RF-coupled focus mount. This lens is sharp across the full-range, out to infinity.
 

Brian S

New member
1951 KMZ Jupiter-3, rear triplet was bad. Replaced using a 1957 rear triplet. So now it is a mixture of German and Russian glass, converted to Contax mount.

on the Ep2 using an Amedeo adapter.






Wide-Open at F1.5.

Sometimes I stop down. I made a combination aperture/sun-shade for the Konica 30/1.9...Just in case.
 
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