The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 150-600mm F5-6.3 DG OS HSM C and the Sigma 50-150mm F2.8 EX 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 150-600mm F5-6.3 DG OS HSM C is the longer of the two lenses at 290mm. The Sigma 50-150mm F2.8 EX DC OS HSM with a length of 198mm, is 92mm shorter. Besides being longer, the Sigma 150-600mm F5-6.3 DG OS HSM C also has a larger diameter of 121mm compared to the Sigma 50-150mm F2.8 EX DC OS HSM's 86mm 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. Sigma 50-150mm F2.8 EX DC OS HSM weighs 1350g, 30% (580g) lighter than the Sigma 150-600mm F5-6.3 DG OS HSM C's weight of 1930g.
Filter Threads
The Sigma 150-600mm F5-6.3 DG OS HSM C has a filter size of 95mm whereas the Sigma 50-150mm F2.8 EX DC OS HSM 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 95mm filters that we recommend you to consider for the Sigma 150-600mm F5-6.3 DG OS HSM C:
And these are the 77mm filters that we recommend for the Sigma 50-150mm F2.8 EX DC OS HSM:
Lens Mounts
Both the Sigma 150-600mm F5-6.3 DG OS HSM C and the Sigma 50-150mm F2.8 EX DC OS HSM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 150-600mm F5-6.3 DG OS HSM C is also available in Nikon F (FX) , Sigma SA and Sony Alpha mounts.
Sigma 50-150mm F2.8 EX DC OS HSM is also available in Nikon F (DX) and Sigma SA mounts.
Focal Range
Sigma 150-600mm F5-6.3 DG OS HSM C has a focal range of 150-600mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
240 - 960mm.
On the other hand, the 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.