Canon FD Lens to EOS AF-Confirm Adapter
 Description
Adapter to fit Canon FD mount lens or accessories to Canon EOS Camera Body
(EF mount including digital models e.g. 1d, 5d, 10d, 20d, 30d, 300d, 350d, 400d, 450d)
This brand new adapter will allow you to use old style Canon FD mount mechanical mount lenses and macro accessories on Canon EOS cameras.
The adapter allows focusing to infinity.
The corrector lens significantly larger than some of those available from other sellers, allowing more light to pass and reducing the risk of vignetting at wider apertures.
The built in "Confirm" chip tells your camera that the lens is in manual mode, allowing the "in-focus" lights to operate correctly in the viewfinder. You need to set the aperture by hand however you can set your camera to Aperture Priority (Av) mode to use the camera's automatic exposure facility. The chip allows all metering modes supported by your camera.
The corrector lens acts as a teleconverter, extending the focal length of the lens by about one quarter. This is typical of all FD/EOS adapters on the market. It can be removed by unscrewing it from the front, for short distance and macro work.
To obtain sharpest focus, aperture settings smaller than F3.5 are advised.
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