The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony 300mm F2.8 G SSM II 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. Sony 300mm F2.8 G SSM II is the longer of the two lenses at 243mm. The Sigma 300mm F2.8 APO EX DG HSM with a length of 215mm, is 28mm shorter. Besides being longer, the Sony 300mm F2.8 G SSM II also has a larger diameter of 122mm compared to the Sigma 300mm F2.8 APO EX DG HSM's 119mm 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 300mm F2.8 G SSM II weighs 2300g, which means it is 100g (4%) lighter than the Sigma 300mm F2.8 APO EX DG HSM which has a weight of 2400g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony Alpha Mount for size comparison purposes.
Telephoto Lenses in Sony Alpha Mount for Size Comparison
Lens Mounts
Both the Sony 300mm F2.8 G SSM II and the Sigma 300mm F2.8 APO EX DG HSM has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
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
Both lenses have the same focal range of
300mm and the fastest aperture of
F2.8.