The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 70-200 F4L IS II USM and the Tamron 70-200mm f2.8 LD for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Tamron 70-200mm f2.8 LD is the longer of the two lenses at 194mm. The Canon EF 70-200 F4L IS II USM with a length of 176mm is 18mm shorter. Besides being longer, the Tamron 70-200mm f2.8 LD also has a larger diameter of 90mm compared to Canon EF 70-200 F4L IS II USM's 80mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Canon EF 70-200 F4L IS II USM weighs 780g, which means it is 550g (41%) lighter than the Tamron 70-200mm f2.8 LD which has a weight of 1330g.
Below you can find the dimension and weight table of the 'Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Zoom Lenses in Canon EF Mount for Size Comparison
Both Canon EF 70-200 F4L IS II USM and Tamron 70-200mm f2.8 LD has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Tamron 70-200mm f2.8 LD is also available in Nikon F (FX) , Sony Alpha and Pentax KAF mounts.