The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-180mm F2.8 Di and the Canon EF 70-200 f2.8L 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. Canon EF 70-200 f2.8L USM is the longer of the two lenses at 194mm. The Tamron 70-180mm F2.8 Di with a length of 149mm, is 45mm shorter. Besides being longer, the Canon EF 70-200 f2.8L USM also has a larger diameter of 85mm compared to the Tamron 70-180mm F2.8 Di's 81mm 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. Tamron 70-180mm F2.8 Di weighs 815g, which means it is 495g (37%) lighter than the Canon EF 70-200 f2.8L USM which has a weight of 1310g.
Filter Threads
The Tamron 70-180mm F2.8 Di has a filter size of 67mm whereas the Canon EF 70-200 f2.8L USM has a 77mm 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 70-180mm F2.8 Di:
And these are the 77mm filters that we recommend for the Canon EF 70-200 f2.8L USM:
Lens Mounts
The Tamron 70-180mm F2.8 Di has the Sony E lens mount whereas the Canon EF 70-200 f2.8L USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Focal Range
Tamron 70-180mm F2.8 Di has a focal range of 70-180mm and
2.6X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 270mm.
On the other hand, the Canon EF 70-200 f2.8L USM has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 320mm.
