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DPChallenge Forums >> Hardware and Software >> Canon FD Lenses on EOS bodies
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Showing posts 1 - 6 of 6, (reverse)
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 10/15/2009 09:35:27 AM · #1
I've been around this subject today because I found very cheap used FD lenses on Ebay.

I'd like to understand what is the limitation about using an adapter to fit the FD lens on my T1i body.

For example, I'd like to buy a telephoto lens and/or the 50mm F1.8

Any advice is very welcome!


10/15/2009 12:26:36 PM · #2
no automatic anything... no light meter - AFAIK.

camera won't know what lens you have attached.

my guess is the adapter makes the different mounts work, but also tricks the dSLR ( by pushing the proper pins in ) to at least realize there is some lens attached.


10/15/2009 12:35:54 PM · #3
it does not allow infinity focus. IT IS SPECIALLY FOR MACRO SHOT ONLY!
 10/15/2009 01:42:51 PM · #4
You're better off getting an adapter to use old Nikon and Nikkor lenses, since, I believe, those adapters allow infinity focus without additional optics.

Also, if I recall, the FD lenses don't stop down when not shooting, so you'll have to manually set your exposure based on the wide open reading and adjust for how far down you have the lens, that's IF those adapters work that way. The Nikkor/Nikon lenses do stop down, so you can stop down, meter and shoot, but your image in the finder will be dimmed and that can make focusing difficult.

10/15/2009 01:46:49 PM · #5
Originally posted by soup:
no automatic anything... no light meter - AFAIK.

camera won't know what lens you have attached.

my guess is the adapter makes the different mounts work, but also tricks the dSLR ( by pushing the proper pins in ) to at least realize there is some lens attached.


The light meter will work, it just shows the aperture as 00. I know because that's how my Peleng 8mm fisheye and my telescope adapter work. The problem is getting the lens to stop down and the fact that the camera can't communicate with the lens to know what aperture is selected.
 10/15/2009 01:57:45 PM · #6
well with FD lenses the aperture is a dial on the lens. physical adjustment. so i don't see what you're getting at there ? shutter speed would still controlled by the camera.

you'd have to be in (M) on the camera.

Originally posted by Spazmo99:
The problem is getting the lens to stop down and the fact that the camera can't communicate with the lens to know what aperture is selected.


Message edited by author 2009-10-15 13:58:50.
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