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When Were Variable Aperture Zooms Invented? #3001981 08/06/19 11:37 AM
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Synthoid Offline OP
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It seems that most zooms these days are variable aperture.... but I don't remember them back in the days of film. When did they start appearing on the scene?

I have 3 zoom lenses for my old Nikon F2 and they are all fixed aperture.


When an eel hits your eye like a big pizza pie, that's a Moray.
Re: When Were Variable Aperture Zooms Invented? [Re: Synthoid] #3002071 08/06/19 09:49 PM
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RichieP_MechE Offline
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Don't know for sure but I would guess late 70s/early 80s. There are some Canon FD zooms from that era with variable aperture.

Re: When Were Variable Aperture Zooms Invented? [Re: Synthoid] #3002088 08/06/19 11:55 PM
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OK thanks. I have an old 35-85mm Vivitar Series One, 2.8 fixed aperture lens. About average sharpness but great for low-light situations.



When an eel hits your eye like a big pizza pie, that's a Moray.

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