Ef s lenses manufactured by canon have an extra tab that prevents them from being mounted on full frame and aps h canon bodies.
Ef s lens on full frame body.
Overall image quality isn t affected in the least though and some might even find this change more appealing as the.
Zoom lenses cover a range of focal lengths 24 70mm for example while primes have a fixed focal length 35mm and 50mm are common primes.
These lenses are an expensive bunch but so are full frame cameras and it s a different group of photographers that are willing to spend big bucks for top tier equipment.
By doing so the lens focal length will effectively be extended to 75mm for certain technical reasons.
The second is because of the optics.
Ef s lenses on full frame cameras zoom lenses vs.
Even though this lens was developed for the full frame canon ef system it can still be mounted on an ef s body.
Many digital lenses made by third party manufacturers do not.
They simply won t fit because the mount is slightly different on a crop body.
This article exclusively covers ef s lenses for canon s crop sensor dslrs but we ve also created a full article on canon s ef full frame lens offerings.
You should be careful when using them on full frame bodies because the full frame mirror passes much closer to the lens mount flange than the mirror on crop bodies does.