The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-300mm f4-5.6 VC USD and the Canon 70-300mm f4.5-5.6 DO IS USM 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 70-300mm f4-5.6 VC USD is the longer of the two lenses at 143mm. The Canon 70-300mm f4.5-5.6 DO IS USM with a length of 100mm is 43mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 82mm.
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 70-300mm f4.5-5.6 DO IS USM weighs 720g, 5% (45g) lighter than the Tamron 70-300mm f4-5.6 VC USD's weight of 765g.
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 Tamron 70-300mm f4-5.6 VC USD and Canon 70-300mm f4.5-5.6 DO IS USM 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 70-300mm f4-5.6 VC USD is also available in Nikon F (FX) mount.