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Occasional Contributor
Posts: 16
Registered: ‎03-27-2015

canon FD 100-300 mm 5.6

was trying to stoot with the 100-300 mm 5.6 lens in manual mode. it would not stop down. tried another lens, and it worked normanlly. i\s there any way to test the lens. i realy don't think it was me or the camera. thanx!

Honored Contributor
Posts: 5,709
Registered: ‎11-13-2012

Re: canon FD 100-300 mm 5.6

On which camera?

John Hoffman
Conway, NH

1D X, Rebel T5i, Many lenses, Pixma PRO-100, MX472, LRCC Classic
VIP
Posts: 11,096
Registered: ‎12-07-2012

Re: canon FD 100-300 mm 5.6

FD lenses are mechanical.  EF lenses are electronic.  They will not interchange.

EOS 1DX and 1D Mk IV, even less and less other stuff.
Occasional Contributor
Posts: 16
Registered: ‎03-27-2015

Re: canon FD 100-300 mm 5.6

[ Edited ]

canon F1N (new) with AE viewfinder. I think the problem is stuck aperture blades. the disassembly vids on youtube look doable. and even if I screw it up, I can buy another lens for under $50.

Occasional Contributor
Posts: 16
Registered: ‎03-27-2015

Re: canon FD 100-300 mm 5.6

I'm using FD lenses with an F1N (new)

Honored Contributor
Posts: 5,709
Registered: ‎11-13-2012

Re: canon FD 100-300 mm 5.6

Worth a try to fix for $50.
John Hoffman
Conway, NH

1D X, Rebel T5i, Many lenses, Pixma PRO-100, MX472, LRCC Classic
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