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 Sigma 70-200mm F2.8 EX DG OS HSM 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. Sigma 70-200mm F2.8 EX DG OS HSM is the longer of the two lenses at 197mm. The Tamron 35-150mm F2.8-4 Di VC OSD with a length of 127mm, is 70mm shorter. Besides being longer, the Sigma 70-200mm F2.8 EX DG OS HSM also has a larger diameter of 86mm compared to the Tamron 35-150mm F2.8-4 Di VC OSD's 84mm 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 35-150mm F2.8-4 Di VC OSD weighs 790g, which means it is 640g (44%) lighter than the Sigma 70-200mm F2.8 EX DG OS HSM which has a weight of 1430g.
Filter Threads
Both the Tamron 35-150mm F2.8-4 Di VC OSD and the Sigma 70-200mm F2.8 EX DG OS HSM have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron 35-150mm F2.8-4 Di VC OSD has the Canon EF lens mount whereas the Sigma 70-200mm F2.8 EX DG OS HSM has the Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Tamron 35-150mm F2.8-4 Di VC OSD is also available in the Nikon F (FX) mount.
Sigma 70-200mm F2.8 EX DG OS HSM is also available in Canon EF , Nikon F (FX), Sony Alpha and Sigma SA mounts.
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 Sigma 70-200mm F2.8 EX DG OS HSM has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 300mm.
