The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony DT 55-200mm F4-5.6 SAM and the Sigma 50-200mm F4-5.6 DC 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 50-200mm F4-5.6 DC OS HSM is the longer of the two lenses at 102mm. The Sony DT 55-200mm F4-5.6 SAM with a length of 85mm, is 17mm shorter. Besides being longer, the Sigma 50-200mm F4-5.6 DC OS HSM also has a larger diameter of 74mm compared to the Sony DT 55-200mm F4-5.6 SAM's 72mm 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. Sony DT 55-200mm F4-5.6 SAM weighs 305g, which means it is 115g (27%) lighter than the Sigma 50-200mm F4-5.6 DC OS HSM which has a weight of 420g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Sony Alpha Mount for size comparison purposes.
Telephoto Lenses in Sony Alpha Mount for Size Comparison
Filter Threads
Both the Sony DT 55-200mm F4-5.6 SAM and the Sigma 50-200mm F4-5.6 DC OS HSM have the same Filter thread size of 55mm.
Below are links to the 55mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sony DT 55-200mm F4-5.6 SAM and the Sigma 50-200mm F4-5.6 DC OS HSM has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A68, Sony A77 II and Sony A58.
Sigma 50-200mm F4-5.6 DC OS HSM is also available in Canon EF , Pentax KAF3, Sigma SA and Nikon F (DX) mounts.
Focal Range
Sony DT 55-200mm F4-5.6 SAM has a focal range of 55-200mm and
3.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
82.5-300mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 50-200mm F4-5.6 DC OS HSM has a focal range of 50-200mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 75-300mm when used on a APS-C / DX format camera.
