The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 70-300 F4.5-5.6 OIS and the Sigma 70-200 F2.8 DG OS HSM S 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 70-200 F2.8 DG OS HSM S is the longer of the two lenses at 203mm. The Panasonic S 70-300 F4.5-5.6 OIS with a length of 148mm, is 55mm shorter. Besides being longer, the Sigma 70-200 F2.8 DG OS HSM S also has a larger diameter of 94mm compared to the Panasonic S 70-300 F4.5-5.6 OIS'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. Panasonic S 70-300 F4.5-5.6 OIS weighs 790g, which means it is 1015g (56%) lighter than the Sigma 70-200 F2.8 DG OS HSM S which has a weight of 1805g.
Filter Threads
The Panasonic S 70-300 F4.5-5.6 OIS has a filter size of 77mm whereas the Sigma 70-200 F2.8 DG OS HSM S has a 82mm 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 Panasonic S 70-300 F4.5-5.6 OIS:
And these are the 82mm filters that we recommend for the Sigma 70-200 F2.8 DG OS HSM S:
Lens Mounts
The Panasonic S 70-300 F4.5-5.6 OIS has the Leica L lens mount whereas the Sigma 70-200 F2.8 DG OS HSM S has the Sigma SA 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 Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sigma 70-200 F2.8 DG OS HSM S is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Panasonic S 70-300 F4.5-5.6 OIS has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 450mm.
On the other hand, the Sigma 70-200 F2.8 DG OS HSM S has a focal range of 70-200mm and 2.9X zoom ratio .
