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 75-300mm f4.0-5.6 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 RF 75-300mm f4.0-5.6 is the longer of the two lenses at 146mm. The Tamron 18-300mm F3.5-6.3 with a length of 126mm, is 20mm shorter. On the other hand, the Tamron 18-300mm F3.5-6.3 has a larger diameter of 76mm compared to the Canon RF 75-300mm f4.0-5.6's 71mm diameter.
Below you can find a scaled side-by-side image of Tamron 18-300mm F3.5-6.3 and Canon RF 75-300mm f4.0-5.6 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 75-300mm f4.0-5.6 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 75-300mm f4.0-5.6 weighs 507g, 18% (113g) lighter than the Tamron 18-300mm F3.5-6.3's weight of 620g.
Filter Threads
The Tamron 18-300mm F3.5-6.3 has a filter size of 67mm whereas the Canon RF 75-300mm f4.0-5.6 has a 58mm 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 18-300mm F3.5-6.3:
And these are the 58mm filters that we recommend for the Canon RF 75-300mm f4.0-5.6:
Lens Mounts
Both the Tamron 18-300mm F3.5-6.3 and the Canon RF 75-300mm f4.0-5.6 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 75-300mm f4.0-5.6 has a focal range of 75-300mm 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 120 - 480mm .
