The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 150-600mm F5-6.3 DG OS HSM 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 150-600mm F5-6.3 DG OS HSM C is the longer of the two lenses at 290mm. The Samyang 300mm f6.3 with a length of 74mm, is 216mm shorter. Besides being longer, the Sigma 150-600mm F5-6.3 DG OS HSM C also has a larger diameter of 121mm 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, 86% (1670g) lighter than the Sigma 150-600mm F5-6.3 DG OS HSM C's weight of 1930g.
Filter Threads
The Sigma 150-600mm F5-6.3 DG OS HSM C has a filter size of 95mm 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 95mm filters that we recommend you to consider for the Sigma 150-600mm F5-6.3 DG OS HSM C:
And these are the 26mm filters that we recommend for the Samyang 300mm f6.3:
Lens Mounts
Both the Sigma 150-600mm F5-6.3 DG OS HSM C and the Samyang 300mm f6.3 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Sigma 150-600mm F5-6.3 DG OS HSM C is also available in the Nikon F (FX) , Sigma SA and Sony Alpha mounts.
Samyang 300mm f6.3 is also available in Nikon F (DX) , Four Thirds and Sony Alpha mounts.
Focal Range
Sigma 150-600mm F5-6.3 DG OS HSM C has a focal range of 150-600mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
240 - 960mm.
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 480mm when used on a APS-C / DX format camera.
