The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 70-200 F2.8 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. Panasonic S 70-200 F2.8 is the longer of the two lenses at 209mm. The Sigma 50-150mm F2.8 EX DC OS HSM with a length of 198mm, is 11mm shorter. Besides being longer, the Panasonic S 70-200 F2.8 also has a larger diameter of 94mm 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, 14% (220g) lighter than the Panasonic S 70-200 F2.8's weight of 1570g.
Filter Threads
The Panasonic S 70-200 F2.8 has a filter size of 82mm 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 82mm filters that we recommend you to consider for the Panasonic S 70-200 F2.8:
And these are the 77mm filters that we recommend for the Sigma 50-150mm F2.8 EX DC OS HSM:
Lens Mounts
The Panasonic S 70-200 F2.8 has the Leica L lens mount whereas the Sigma 50-150mm F2.8 EX DC OS HSM has the Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
Sigma 50-150mm F2.8 EX DC OS HSM is also available in Canon EF and Sigma SA mounts.
Focal Range
Panasonic S 70-200 F2.8 has a focal range of 70-200mm and
2.9X zoom ratio .
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 75-225mm when used on a APS-C / DX format camera.
