The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 35-150mm F2.8-4 Di VC OSD and the Canon 75-300mm f4.0-5.6 III 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 35-150mm F2.8-4 Di VC OSD is the longer of the two lenses at 127mm. The Canon 75-300mm f4.0-5.6 III USM with a length of 122mm, is 5mm shorter. Besides being longer, the Tamron 35-150mm F2.8-4 Di VC OSD also has a larger diameter of 84mm compared to the Canon 75-300mm f4.0-5.6 III USM's 71mm 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 75-300mm f4.0-5.6 III USM weighs 480g, 39% (310g) lighter than the Tamron 35-150mm F2.8-4 Di VC OSD's weight of 790g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Tamron 35-150mm F2.8-4 Di VC OSD has a filter size of 77mm whereas the Canon 75-300mm f4.0-5.6 III USM 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 77mm filters that we recommend you to consider for the Tamron 35-150mm F2.8-4 Di VC OSD:
And these are the 58mm filters that we recommend for the Canon 75-300mm f4.0-5.6 III USM:
Lens Mounts
Both the Tamron 35-150mm F2.8-4 Di VC OSD and the Canon 75-300mm f4.0-5.6 III 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 35-150mm F2.8-4 Di VC OSD is also available in the Nikon F (FX) mount.
Focal Range
Tamron 35-150mm F2.8-4 Di VC OSD has a focal range of 35-150mm 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
56 - 240mm.
On the other hand, the Canon 75-300mm f4.0-5.6 III USM 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.
