Why does the front element on the Canon EF 85mm f1.2L II USM lens unscrew?

Answer I don't know if it is supposed to do that, but I've heard of another person that had that happen to them. By the front element, do you mean the single front element, or do you mean the group that ... Read More »

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How to Evaluate a Canon 85mm Lens?

A Canon 85mm lens is a fixed-length lens. This type of lens, also called a "prime" lens, cannot zoom in or out, but generally produces higher quality images. These lenses are most often used by stu... Read More »

Canon 85mm 1.8 lens vs. 1.2 lens?

The Canon 85mm 1.2L II and 1.8 lenses are vastly different, both in quality and price. Even though they have the same focal length, the two lenses have an over $1500 difference in suggested retail ... Read More »

How to Replace the Front Element on a Canon A-1?

The Canon A-1 was commercially available from 1978 to 1985. It is notable as the first single-lens reflex, or SLR, camera to incorporate a microprocessor to control the shutter speed. As with most ... Read More »

Can Canon EOS Rebel XS 35-85mm film lenses be used with Canon EOS digital cameras?

The Canon EOS Rebel XS camera lens is officially called a Canon EF or EF-S series lens. A 35-85mm lens in the EF/EF-S series is compatible with any Canon EOS digital camera that uses the EF or EF-S... Read More »