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Carl Zeiss Jena Visiogon f2.8 28mm
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PostPosted: Fri Mar 23, 2018 6:15 pm    Post subject: Carl Zeiss Jena Visiogon f2.8 28mm Reply with quote
Does anyone have a diagram of the optical layout of this lens? I have one and would like to study the layout to see if a rebarelling so it has an iris is feasible.



PostPosted: Sat Mar 24, 2018 2:09 am    Post subject: Reply with quote
No diagram yet.
https://www.sbazar.cz/mojeprebytkyy/detail/27187483-objektiv-carl-zeiss-visiogon-228-3x-tessar

Mounted in an Industar 50 M39 SLR version https://meshok.net/item/42178278_Carl_Zeiss_VISIOGON_28_2_M39


PostPosted: Sat Mar 24, 2018 9:22 am    Post subject: Reply with quote
This mounted one is the later, better f2 version, but image circle is rather limited as it is from a microfiche machine, I presume.


PostPosted: Sat Mar 24, 2018 9:29 am    Post subject: Reply with quote
I'm not sure of the image circle of the 2.8 version, I'll have to investigate.
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