The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 70-300 F4-5.6 IS II USM and the Sigma 50-100mm F1.8 A 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 50-100mm F1.8 A is the longer of the two lenses at 171mm. The Canon EF 70-300 F4-5.6 IS II USM with a length of 146mm, is 25mm shorter. Besides being longer, the Sigma 50-100mm F1.8 A also has a larger diameter of 94mm compared to the Canon EF 70-300 F4-5.6 IS II USM's 80mm diameter.
Below you can find a scaled side-by-side image of Canon EF 70-300 F4-5.6 IS II USM and Sigma 50-100mm F1.8 A to get a better idea of how their sizes compare in real life.
Comparison image of the Canon EF 70-300 F4-5.6 IS II USM and the Sigma 50-100mm F1.8 A Size and Weight 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. Canon EF 70-300 F4-5.6 IS II USM weighs 710g, which means it is 780g (52%) lighter than the Sigma 50-100mm F1.8 A which has a weight of 1490g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Canon EF Mount
Filter Threads
The Canon EF 70-300 F4-5.6 IS II USM has a filter size of 67mm whereas the Sigma 50-100mm F1.8 A has a 82mm 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 Canon EF 70-300 F4-5.6 IS II USM:
And these are the 82mm filters that we recommend for the Sigma 50-100mm F1.8 A:
Lens Mounts
Both the Canon EF 70-300 F4-5.6 IS II USM and the Sigma 50-100mm F1.8 A 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 .
Nikon F (DX) and Sigma SA mounts.
Focal Range
Canon EF 70-300 F4-5.6 IS II USM has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
112 - 480mm .
On the other hand, the Sigma 50-100mm F1.8 A has a focal range of 50-100mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 80-160mm when used on a APS-C / DX format camera.
