The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50-150mm F2.8 EX DC OS HSM and the Sony E 55-210mm F4.5-6.3 OSS 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 50-150mm F2.8 EX DC OS HSM is the longer of the two lenses at 198mm. The Sony E 55-210mm F4.5-6.3 OSS with a length of 108mm, is 90mm shorter. Besides being longer, the Sigma 50-150mm F2.8 EX DC OS HSM also has a larger diameter of 86mm compared to the Sony E 55-210mm F4.5-6.3 OSS's 64mm 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 E 55-210mm F4.5-6.3 OSS weighs 345g, 74% (1005g) lighter than the Sigma 50-150mm F2.8 EX DC OS HSM's weight of 1350g.
Filter Threads
The Sigma 50-150mm F2.8 EX DC OS HSM has a filter size of 77mm whereas the Sony E 55-210mm F4.5-6.3 OSS has a 49mm 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 Sigma 50-150mm F2.8 EX DC OS HSM:
And these are the 49mm filters that we recommend for the Sony E 55-210mm F4.5-6.3 OSS:
Lens Mounts
The Sigma 50-150mm F2.8 EX DC OS HSM has the Canon EF lens mount whereas the Sony E 55-210mm F4.5-6.3 OSS has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount and Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount.
Sigma 50-150mm F2.8 EX DC OS HSM is also available in the Nikon F (DX) and Sigma SA mounts.
Focal Range
Sigma 50-150mm F2.8 EX DC OS HSM has a focal range of 50-150mm and
3.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
80-240mm when used on a APS-C / DX format camera.
On the other hand, the Sony E 55-210mm F4.5-6.3 OSS has a focal range of 55-210mm and 3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 82.5-315mm when used on a APS-C / DX format camera.
