Canon 1Ds Mark III Optics
Canon EOS 1Ds Mark III Optics
The Canon 1Ds Mark III will work with pretty much any EF-mount lens ever made, however it is not compatible with the special EF-S lenses designed for cameras with APS-C size sensors. Designed with a smaller image circle (the area covered by the image on the film/sensor plane), EF-S lenses tend to be smaller and lighter than full-frame models with the same focal length and maximum aperture. EF-S lenses can't be used on full-frame Canon cameras, nor on their models with 1.3x crop factors, like the EOS-1D Mark III.
The full-frame sensor on the Canon 1Ds Mark III means there is no "crop factor" for this camera, or that the "focal length multiplier" is 1x, the same as 35mm film.
I normally cite the aperture and focal length of a digital camera's lens in this part of the review, but because the 1Ds Mark III accepts a wide range of lenses, these characteristics will vary depending on the lens in use. We shot most of our test images with our very sharp Sigma 70mm f/2.8 EX DG Macro reference lens. The Far Field house shots were taken with a Canon 50mm f/1.8 Mark II.
Lens Test Results
The Canon EOS 1Ds Mark III is sold body only, so this section left blank intentionally.
The images above were taken from our standardized test shots. For a collection of more pictorial photos, see our Canon EOS-1Ds Mark III Photo Gallery .
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