The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 16-300mm f3.5-6.7 C and the Samyang 300mm f6.3 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 16-300mm f3.5-6.7 C is the longer of the two lenses at 123mm. The Samyang 300mm f6.3 with a length of 74mm, is 49mm shorter. Besides being longer, the Sigma 16-300mm f3.5-6.7 C also has a larger diameter of 73mm 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, 57% (355g) lighter than the Sigma 16-300mm f3.5-6.7 C's weight of 615g.
Filter Threads
The Sigma 16-300mm f3.5-6.7 C has a filter size of 67mm whereas the Samyang 300mm f6.3 has a 26mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sigma 16-300mm f3.5-6.7 C:
And these are the 26mm filters that we recommend for the Samyang 300mm f6.3:
Lens Mounts
The Sigma 16-300mm f3.5-6.7 C has the Sony E lens mount whereas the Samyang 300mm f6.3 has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and Sony A68, Sony A77 II and Sony A58 for the Sony Alpha Mount.
Sigma 16-300mm f3.5-6.7 C is also available in the Leica L , Canon RF and Fujifilm X mounts.
Samyang 300mm f6.3 is also available in Canon EF , Nikon F (DX) and Four Thirds mounts.
Focal Range
Sigma 16-300mm f3.5-6.7 C has a focal range of 16-300mm and
18.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-450mm when used on a APS-C / DX format camera.
On the other hand, the Samyang 300mm f6.3 is a prime lens with fixed focal lenght of 300mm which has an effective (full-frame 35mm equivalent) focal range of 450mm when used on a APS-C / DX format camera.
