The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 100-400mm F4.5-6.3 Di VC USD and the Canon EF 70-300 F4-5.6 IS II 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 100-400mm F4.5-6.3 Di VC USD is the longer of the two lenses at 199mm. The Canon EF 70-300 F4-5.6 IS II USM with a length of 146mm, is 53mm shorter. Besides being longer, the Tamron 100-400mm F4.5-6.3 Di VC USD also has a larger diameter of 86mm compared to the Canon EF 70-300 F4-5.6 IS II USM's 80mm 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 EF 70-300 F4-5.6 IS II USM weighs 710g, 37% (425g) lighter than the Tamron 100-400mm F4.5-6.3 Di VC USD's weight of 1135g.
Filter Threads
Both the Tamron 100-400mm F4.5-6.3 Di VC USD and the Canon EF 70-300 F4-5.6 IS II USM have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Tamron 100-400mm F4.5-6.3 Di VC USD and the Canon EF 70-300 F4-5.6 IS II USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Tamron 100-400mm F4.5-6.3 Di VC USD is also available in the Nikon F (FX) mount.
Focal Range
Tamron 100-400mm F4.5-6.3 Di VC USD has a focal range of 100-400mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
160 - 640mm.
On the other hand, the Canon EF 70-300 F4-5.6 IS II USM has a focal range of 70-300mm and 4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 480mm.
