As for the crop sensor bodies there are two distinct markings on the mounting collar.
Cheap full frame canon lens.
The price is right.
Canon ef lenses can be used on both full frame and crop sensor bodies 6d 5d series 1d series as well as all other canon dslr bodies.
It makes a great portrait or indoor sports lens.
An ef s lens will not mount on a ff body.
A cheap lens is not complete without a cheap camera behind it.
Ef s lenses can only be used on crop sensor rebels 10d 80d 7d series.
85mm f 1 2l ii best canon full frame prime lens for portrait photography.
Tamron 85mm f 1 8 a great alternative prime for portraits at a cheaper price.
If you like value for money then the meike mk 85mm f 1 8 lens offers a bright short telephoto prime lens with an impressively low price point of around 185 199.
16 35mm best ultra wide angle zoom lens for canon full frame cameras.