Because it's an accurate representation of what your eyes see. There are some people who don't like 50mm lenses simply because they have to foot zoom but the quality is totally worth the effort
It relates to the focal length of a zoom lens - in this case 28 mm being wide angle (but noit as wide as a fish eye lens) through to medium telephoto - 80mm or thereabouts is used by 35mm SLR photographers to capture portraits. A standard lens on 35mm SLR is around the 50mm mark. Note that I have used 35mm SLR as the reference - it varies deopending on the format - I believe digital SLRs are different also.
The Canon EF won't work on a film SLR, unfortunately. It only works on DSLR cameras.
The Canon EF lens will only fit Canon SLR camera bodies, unfortunately.
A 50mm lens has a diopter of 20.
The Canon 50mm lens is used mainly by the Canon EOS line of Cameras, since they have an EF Mount which is designed to fit this range. They do also fit other Compact SLR cameras however due to the fact their mounting is similar to that used by most cameras.
Canon makes the best 50mm camera lens, known as the EF 50mm f/1.8mk2, 50mm f/1.4 USM and 50mm f/1.2L lenses
Canon makes the best 50mm camera lens, known as the EF 50mm f/1.8mk2, 50mm f/1.4 USM and 50mm f/1.2L lenses
Single Lens Reflex
Single Lens Reflex.
SLR is Single lens Reflux.
The measurements of the lens on the Canon 50mm f1.4 is 2 inches long, and 2.9 inches in diameter. The Canon 50mm f1.4 lens is the most common, useful of Canon lenses.
One can buy a Canon SLR lens at several online sites. Some of these online sites that sell a Canon SLR lens are "Amazon", "eBay", and "Bhphotovideo".