The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm GF 500mm F5.6 R and the Sigma 300mm F2.8 APO EX DG 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. Fujifilm GF 500mm F5.6 R is the longer of the two lenses at 247mm. The Sigma 300mm F2.8 APO EX DG HSM with a length of 215mm, is 32mm shorter. On the other hand, the Sigma 300mm F2.8 APO EX DG HSM has a larger diameter of 119mm compared to the Fujifilm GF 500mm F5.6 R's 105mm 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. Fujifilm GF 500mm F5.6 R weighs 1375g, which means it is 1025g (42%) lighter than the Sigma 300mm F2.8 APO EX DG HSM which has a weight of 2400g.
Filter Threads
The Fujifilm GF 500mm F5.6 R has a filter size of 95mm whereas the Sigma 300mm F2.8 APO EX DG HSM has a 46mm 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 Fujifilm GF 500mm F5.6 R:
And these are the 46mm filters that we recommend for the Sigma 300mm F2.8 APO EX DG HSM:
Lens Mounts
The Fujifilm GF 500mm F5.6 R has the Fujifilm G lens mount whereas the Sigma 300mm F2.8 APO EX DG HSM has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm GFX Eterna 55, Fujifilm GFX 100S II and Fujifilm GFX 100 II for the Fujifilm G Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 300mm F2.8 APO EX DG HSM is also available in Canon EF , Nikon F (FX), Pentax KAF and Sigma SA mounts.
Focal Range
Fujifilm GF 500mm F5.6 R is a prime lens with fixed focal lenght of 500mm.
On the other hand, the Sigma 300mm F2.8 APO EX DG HSM is a prime lens with fixed focal lenght of 300mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 450mm.
