...
It is common for all brands that are not full frame to have this, but each is a bit different
Nikon = 1.5
Canon =1.6
Olympus =2.0
...
And that's only the DSLR's. Check out the world of point-and-shoots.It has nothing to do with the lens, the crop factor is the image sensor.
It is common for all brands that are not full frame to have this, but each is a bit different
Nikon = 1.5
Canon =1.6
Olympus =2.0
So it depends on what brand you are looking at, and in some cases the model as well.