SLR camera lens is a unified standard?
Different interfaces can not be dedicated
That is to say
Canon can only use Canon
Sony can only use Sony's
Nikon can only use Nikon's
Of course, there are many deputy factory to do the lens, and some vice plant is a transfer ring can buy
The lens can not say regardless of brand - can only say that buyers buy the lens when the main consideration parameters for the first
SLR use what the main lens to see what he used bayonet, that is: what bayonet camera, what can be used to mount the lens.
At present, the mainstream interface is also a few camera manufacturers: Japan's Nikon mouth, Canon EF mouth, Pentax K mouth, as well as Olympus, and Sigma's SA mouth, and Sony's Mi Mina A mouth.
Buy SLR lens first look at the brand, the second is to see technical indicators, that is, the parameters of the lens.
By brand: Canon, Nikon, Pentax, Sony, Olympus ... ...
According to focus classification: ultra wide angle, wide angle, in the coke, telephoto, super telephoto ... ...
By purpose classification: scenery head, portrait head, macro head ... ...
Not common!
Canon, Nikon, Sony, Pentax four manufacturers bayonet is clearly not common. Even if Canon EF and EF-S are not common, EF can be used in full frame and APS-C frame machine, and EF-S can only be used in APS-C frame machine
