Canon lens naming rules are not as complex as the Nikon lenses, but if you are still confused by the meaning of the names of the existing Canon lenses on the market, please read the meaning of some common abbreviations used in Canon lenses.
EF-S
EF stands for here is Electrofocus, while S for Short Back. Electrofocus because this lens has its own motor for autofocus while short-back because the back end of the lens mechanically penetrates deeper into the camera mounting. EF-S lenses are designed specifically for the Canon non full-frame (in addition to camera below) and can not be used on camera full frame.
EF - Electrofocus
Just like the EF-S, the difference is the EF lens designed specifically for Canon full frame cameras (EOS 5D Mark II / III, EOS 1D Mark), but can also be used in non-full-frame camera.
L - Luxury
Output class luxury lenses Canon, Canon L series optics designed using prime quality material at a well ehm .. prime. This lens is intended for the professional photographer or serious enthusiast class. L series lens is mechanically tough and weather resistant. L series lenses are all in the category of EF lenses and can be used with a camera full frma and non-full frame.
IS - Image Stabilization
Lens with IS is equipped with technology to minimize blur compensating hand movement while holding the lens, very useful for shooting low light or when using a telephoto lens.
DO - diffractive optic
DO lens with features designed to minimize chromatic aberration while reducing the weight and size of the lens.
USM - Ultra Sonic Motor
All Canon lenses have a motor in it, but if you have the technological means USM lens has faster autofocus capabilities, his voice is not so noisy and more efficient batteries and we can switch from autofocus to manual focus by simply rotating the lens ring.
EF stands for here is Electrofocus, while S for Short Back. Electrofocus because this lens has its own motor for autofocus while short-back because the back end of the lens mechanically penetrates deeper into the camera mounting. EF-S lenses are designed specifically for the Canon non full-frame (in addition to camera below) and can not be used on camera full frame.
EF - Electrofocus
Just like the EF-S, the difference is the EF lens designed specifically for Canon full frame cameras (EOS 5D Mark II / III, EOS 1D Mark), but can also be used in non-full-frame camera.
L - Luxury
Output class luxury lenses Canon, Canon L series optics designed using prime quality material at a well ehm .. prime. This lens is intended for the professional photographer or serious enthusiast class. L series lens is mechanically tough and weather resistant. L series lenses are all in the category of EF lenses and can be used with a camera full frma and non-full frame.
IS - Image Stabilization
Lens with IS is equipped with technology to minimize blur compensating hand movement while holding the lens, very useful for shooting low light or when using a telephoto lens.
DO - diffractive optic
DO lens with features designed to minimize chromatic aberration while reducing the weight and size of the lens.
USM - Ultra Sonic Motor
All Canon lenses have a motor in it, but if you have the technological means USM lens has faster autofocus capabilities, his voice is not so noisy and more efficient batteries and we can switch from autofocus to manual focus by simply rotating the lens ring.
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