Voigtlander Projektos IV b. 90mm

darkosaric · Jun 29, 2013

Hi all,

In my search for petzval projection lens today I found today on flea market something: Voigtlander Projektos IV b. 90mm.

Anybody has some knowledge about this lens? It will cover 6x6 negative on my future Rollei SL66? Characteristic, out of focus area rendering...?

thanks,

Whiteymorange · Jul 1, 2013

I haven't seen this particular lens, but the Leitz projection lenses that appear to be similar are not Petzvals, they are triplets. 90mm may / should cover 6x6, but with projection lenses the question is what format they were intended to project. I have found some of that focal length that were intended for 35mm projection and they don't do a very good job with 6x6. Others do. Trial and error is your best guide, I'm afraid.

darkosaric · Jul 1, 2013

Whiteymorange said:
I haven't seen this particular lens, but the Leitz projection lenses that appear to be similar are not Petzvals, they are triplets. 90mm may / should cover 6x6, but with projection lenses the question is what format they were intended to project. I have found some of that focal length that were intended for 35mm projection and they don't do a very good job with 6x6. Others do. Trial and error is your best guide, I'm afraid.

Thanks for feedback. I was able to look thru nikon F3 with this lens and get focus. So I will test this lens soon - when I get some kind of bellows or something to attach it on nikon body (since I still don't have SL66).

Voigtlander Projektos IV b. 90mm

darkosaric

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