The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 28-75mm F2.8 Di III and the Tamron 35mm F1.8 Di VC USD 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 28-75mm F2.8 Di III is the longer of the two lenses at 117mm. The Tamron 35mm F1.8 Di VC USD with a length of 81mm, is 36mm shorter. On the other hand, the Tamron 35mm F1.8 Di VC USD has a larger diameter of 80mm compared to the Tamron 28-75mm F2.8 Di III's 73mm diameter.
Below you can find a scaled side-by-side image of Tamron 28-75mm F2.8 Di III and Tamron 35mm F1.8 Di VC USD to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 28-75mm F2.8 Di III and the Tamron 35mm F1.8 Di VC USD 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. Tamron 35mm F1.8 Di VC USD weighs 450g, 18% (100g) lighter than the Tamron 28-75mm F2.8 Di III's weight of 550g.
Filter Threads
Both the Tamron 28-75mm F2.8 Di III and the Tamron 35mm F1.8 Di VC USD 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
The Tamron 28-75mm F2.8 Di III has the Sony E lens mount whereas the Tamron 35mm F1.8 Di VC USD has the Sony Alpha 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 Sony A99 II , Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sony E and Nikon Z mounts.
Canon EF and Nikon F (FX) mounts.
Focal Range
Tamron 28-75mm F2.8 Di III has a focal range of 28-75mm and
2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 112.5mm .
On the other hand, the Tamron 35mm F1.8 Di VC USD is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 52.5mm .
