The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 300mm f6.3 and the Sony 300mm F2.8 G SSM II 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 Samyang 300mm f6.3 with a length of 74mm, is 169mm shorter. Besides being longer, the Sony 300mm F2.8 G SSM II also has a larger diameter of 122mm compared to the Samyang 300mm f6.3's 65mm 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. Samyang 300mm f6.3 weighs 260g, which means it is 2040g (88%) lighter than the Sony 300mm F2.8 G SSM II which has a weight of 2300g.
Lens Mounts
Both the Samyang 300mm f6.3 and the Sony 300mm F2.8 G SSM II has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A68, Sony A77 II and Sony A58.
Samyang 300mm f6.3 is also available in Canon EF , Nikon F (DX) and Four Thirds mounts.
Focal Range
Both lenses have the same focal range of
300mm but while Samyang 300mm f6.3 has the fastest aperture of
F6.3, the Sony 300mm F2.8 G SSM II's widest aperture value is
F2.8.