The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 28-200mm F2.8-5.6 Di III and the Canon 28-200mm f3.5-5.6 USM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Tamron 28-200mm F2.8-5.6 Di III is the longer of the two lenses at 117mm. The Canon 28-200mm f3.5-5.6 USM with a length of 90mm, is 27mm shorter. On the other hand, the Canon 28-200mm f3.5-5.6 USM has a larger diameter of 78mm compared to the Tamron 28-200mm F2.8-5.6 Di III's 74mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Canon 28-200mm f3.5-5.6 USM weighs 500g, 13% (76g) lighter than the Tamron 28-200mm F2.8-5.6 Di III's weight of 576g.
Filter Threads
The Tamron 28-200mm F2.8-5.6 Di III has a filter size of 67mm whereas the Canon 28-200mm f3.5-5.6 USM has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 28-200mm F2.8-5.6 Di III:
And these are the 72mm filters that we recommend for the Canon 28-200mm f3.5-5.6 USM:
Lens Mounts
The Tamron 28-200mm F2.8-5.6 Di III has the Sony E lens mount whereas the Canon 28-200mm f3.5-5.6 USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and Canon 1D X III, Canon 6D MII and Canon 5D MIV for the Canon EF Mount.
Focal Range
Both lenses have the same focal range of
28-200mm but while Tamron 28-200mm F2.8-5.6 Di III has the fastest aperture of
F2.8-5.6, the Canon 28-200mm f3.5-5.6 USM's widest aperture value is
F3.5 - F5.6.