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 Sigma 50mm F2.8 Macro 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 121mm. The Sigma 50mm F2.8 Macro with a length of 67mm, is 54mm shorter. Besides being longer, the Sigma 16-300mm f3.5-6.7 C also has a larger diameter of 74mm compared to the Sigma 50mm F2.8 Macro's 71mm 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. Sigma 50mm F2.8 Macro weighs 320g, 48% (305g) lighter than the Sigma 16-300mm f3.5-6.7 C's weight of 625g.
Filter Threads
The Sigma 16-300mm f3.5-6.7 C has a filter size of 67mm whereas the Sigma 50mm F2.8 Macro has a 55mm 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 55mm filters that we recommend for the Sigma 50mm F2.8 Macro:
Lens Mounts
The Sigma 16-300mm f3.5-6.7 C has the Canon RF lens mount whereas the Sigma 50mm F2.8 Macro has the Pentax KAF lens mount. Some of the latest released cameras that are compatible with these mounts are Canon R50 V, Canon R100 and Canon R50 for the Canon RF Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Sigma 16-300mm f3.5-6.7 C is also available in the Sony E , Leica L and Fujifilm X mounts.
Sigma 50mm F2.8 Macro is also available in Canon EF , Sony Alpha, Sigma SA and Nikon F (FX) 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
25.6-480mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 50mm F2.8 Macro is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.
