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Optics Theory - This forum is aimed towards the TECHNICAL side of photographic OPTICS THEORY. There will be some overlap by camera/manufacturer, but this forum is for the heavy duty tech discussions. This is NOT the place to discuss a specific lens or lens line, do that in the appropriate forum. This is the forum to discuss optics or lenses in general, to learn about the tech behind the lenses and images. IF you have a question about a specific lens, post it in the forum about that type of camera, NOT HERE.

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Fast 50 progenitor(s). OR, Who really started it all?
Old 02-13-2019   #1
rbiemer
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Fast 50 progenitor(s). OR, Who really started it all?

Casual Photphile has just posted a short piece about the Biotar 58mm f/2 lens that contains a link to an interesting thread about fast 50s and where they came from. The author disputes Zeiss' claim about the Planar.

http://www.reduser.net/forum/showthr...Lens-evolution

I don't know the author but I do think he makes a good argument.

As well, even though this sort of discussion does not really change my photography nor make much difference in what I actually practice, I do find these kinds of historical discussions interesting and engaging.


Rob
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