The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 18-300mm F3.5-6.3 and the Canon RF 28-70mm F2.8 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 18-300mm F3.5-6.3 is the longer of the two lenses at 126mm. The Canon RF 28-70mm F2.8 with a length of 92mm, is 34mm shorter. On the other hand, the Canon RF 28-70mm F2.8 has a larger diameter of 77mm compared to the Tamron 18-300mm F3.5-6.3's 76mm diameter.
Below you can find a scaled side-by-side image of Tamron 18-300mm F3.5-6.3 and Canon RF 28-70mm F2.8 to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 18-300mm F3.5-6.3 and the Canon RF 28-70mm F2.8 Size and Weight 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 RF 28-70mm F2.8 weighs 494g, 20% (126g) lighter than the Tamron 18-300mm F3.5-6.3's weight of 620g.
Filter Threads
Both the Tamron 18-300mm F3.5-6.3 and the Canon RF 28-70mm F2.8 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 18-300mm F3.5-6.3 and the Canon RF 28-70mm F2.8 has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R50 V , Canon R100 and Canon R50 .
Focal Range
Tamron 18-300mm F3.5-6.3 has a focal range of 18-300mm and
16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
28.8-480mm when used on a APS-C / DX format camera.
On the other hand, the Canon RF 28-70mm F2.8 has a focal range of 28-70mm and 2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 44.8 - 112mm .
