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3 questions
1
vote
2
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113
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Should the iris of a Canonet QL17 contract at all in AE mode at maximum aperture?
Note that you need to cock the shutter for the tests below, otherwise the iris doesn't fully engage with the aperture controls.
If I set my QL17 to ƒ/1.7, the iris opens up fully (as I'd expect)
If I ...
- 997
0
votes
1
answer
187
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Canon 24-105mm aperture diaphragm screw size
I need to mount a Canon 24-105mm aperture diaphragm unit to something, but I don't have any screws for it. In the lens itself, it is attached to some sort of mount via 3 screws that screw into the ...
- 113
1
vote
2
answers
139
views
Is there a datasheet for the Canon 24-105mm diaphragm unit?
Does anyone know if a datasheet is available for the Canon 24-105mm diaphragm unit? I'm wondering if there's a way to use an Arduino or suchlike to control the diaphragm via the flex cable, but I can'...
- 113
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