The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 35mm F2.8 Di III OSD M1:2 and the Tamron 17-35mm F2.8-4 Di OSD 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 17-35mm F2.8-4 Di OSD is the longer of the two lenses at 93mm. The Tamron 35mm F2.8 Di III OSD M1:2 with a length of 64mm, is 29mm shorter. Besides being longer, the Tamron 17-35mm F2.8-4 Di OSD also has a larger diameter of 84mm compared to the Tamron 35mm F2.8 Di III OSD M1:2's 73mm 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. Tamron 35mm F2.8 Di III OSD M1:2 weighs 210g, which means it is 250g (54%) lighter than the Tamron 17-35mm F2.8-4 Di OSD which has a weight of 460g.
Filter Threads
The Tamron 35mm F2.8 Di III OSD M1:2 has a filter size of 67mm whereas the Tamron 17-35mm F2.8-4 Di OSD has a 77mm 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 35mm F2.8 Di III OSD M1:2:
And these are the 77mm filters that we recommend for the Tamron 17-35mm F2.8-4 Di OSD:
Lens Mounts
The Tamron 35mm F2.8 Di III OSD M1:2 has the Sony E lens mount whereas the Tamron 17-35mm F2.8-4 Di OSD has the Canon EF 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 Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Tamron 17-35mm F2.8-4 Di OSD is also available in Nikon F (FX) mount.
Focal Range
Tamron 35mm F2.8 Di III OSD M1:2 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.
On the other hand, the Tamron 17-35mm F2.8-4 Di OSD has a focal range of 17-35mm and 2.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 27.2 - 56mm.
