The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron AF 28-80mm f3.5-5.6 and the Canon 28-80mm f3.5-5.6 V USM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Canon 28-80mm f3.5-5.6 V USM is the longer of the two lenses at 71mm. The Tamron AF 28-80mm f3.5-5.6 with a length of 70mm, is 1mm shorter. On the other hand, the Tamron AF 28-80mm f3.5-5.6 has a larger diameter of 72mm compared to the Canon 28-80mm f3.5-5.6 V USM's 67mm diameter.
The 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 28-80mm f3.5-5.6 V USM weighs 220g, 7% (17g) lighter than the Tamron AF 28-80mm f3.5-5.6's weight of 237g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Canon EF Mount for size comparison purposes.
Standard Zoom Lenses in Canon EF Mount for Size Comparison
Both the Tamron AF 28-80mm f3.5-5.6 and the Canon 28-80mm f3.5-5.6 V 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 AF 28-80mm f3.5-5.6 is also available in Nikon F (FX) , Sony Alpha and Pentax KAF mounts.
Both lenses have the same focal range of 28-80mm and the fastest aperture of F3.5 - F5.6.