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Carefully made sheet film images will reveal (using a high quality optical microscope, NOT scanner or loupe) Kodak Ektars are equally "sharp" as any...

The De Vere dichroic head fans are usually very noticeable volume-wise unless they've been replaced.

Topic of UV transmission of lenses has been discussed previously on this topic: ...

As it happens Zeiss did not make a 24 cm/ 240 mm Tessar. Based on Hartmut Thiele's Fabrikationsbuch Photooptik II Carl Zeiss Jena the Tessar between...

5) D-2, Lens Board Retainer Sets, 2 in a set D2-LBR $40.00 6) D-2, Flat Lens Board for 50-105 mm lens D2-FLB $50 & $60 7) D-2, Lens Cones, 2.75...

Hard to say. On my ole D2, the extended cone worked fine for even my preferred 180mm lens. But I no longer use that setup.

Fun project. I like the idea of reversing the camera so that one can sit with a stool and stare at the GG without the handles around me to...

Here is another shot made with Sony a7r ll converted to IR 720. It is a totally realistic scene but a rendering you might not recognized even if you...

Linhof Technikardan S45, Schneider-Kreuznach Apo-Symmar L 5.6/210, T-Max 100, DD-X. York Minster, Quire & Great East Window by atomstitcher, on...

Used my regular 180/5.6 Rodagon yesterday. I like it for its very even illumination of 4x5 negs or chromes, and was my preferred lens for Ciba...

The fan is turning and rather quiet, no real issues with the color head, except for some dust. The main problem is the Transtab, but that it might be...

John After sleeping on it Not buying and trying the jack My cart second level will solve the problem My design for 14X36" camera is...

What specific camera are you using? Unless your 4X5 is built like a tank, how are you going to even fit and keep steady a 14 in lens in no.4 shutter...

"Ektar" was the name Eastman Kodak gave to their "best" taking lenses; they came in a variety of optical designs. In the reference that Brian cites...

It was nice to reread this thread and refresh my memory on the specs of the 180mm Apo Rodagon that I still have. 2x to 6x optimum range . . . that's...

Oh good!! Then it’s normal. I’ll open up the transtab and give it a good clean. Thank you everyone!