Kowa 50/2.8
AKA Computar DL 50/2.8 enlarger lens, and from 1985-1989 marketed as Beseler ColorPro. Beware very high incidence of balsam separation.
Beseler Color Pro 50/2.8 [Kowa]
Enlarger lens made in Japan. Post-1985 version AKA Kowa/Computar 50/2.8 with addition of knurled (not embossed) aperture ring and longer mount thread. Beware high incidence of balsam separation.
Computar DL 50/2.8
Enlarger lens made in Japan AKA Kowa 50/2.8 and marketed as Beseler Color Pro from 1985-89. Beware very high incidence of balsam separation.
Tomioka Industrial Lenses
This article is my attempt at giving an overview of a couple of notable enlarging and industrial type lenses made by Tomioka. If you’re interested in the history of this interesting, but still not well documented manufacturer from Japan, you can find some of that under ‘The Tomioka Story‘ . Contents Here’s a quick look …
The Noritsu Story
NB: This is a draft article with a number of omissions and content to be added. If you have any in-depth information, or original manufacturer manuals, catalogues or period advertisements that might be relevant, please email Mark here. Peer review and contributors welcome, and will be credited. Similarly, if you have any memorable images shot …
50mm Heroes
Everyone and their aunt made a 50mm enlarger lens. And if you use a 50mm enlarger lens, you have to ask: why not use one of the hundreds – nay, thousands – of standard 50mm taking lenses, which everyone’s aunt and uncle made too? Adding to the excitement, we even find the odd wide angle …
Reviewing the Reviews
Publicly mulling a digital-era survey of enlarger lenses in 2014 (the seed that grew into Delta) Dr. Klaus Schmitt (creator of www.macrolenses.de) wisely advised me: “Save your time. That has all been done multiple times.” It certainly has. For instance, in the October/November 1967 edition of Camera magazine Arthur Kramer “put the best through the wringer” and …