The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 17-40mm f1.8 and the Sigma 16-300mm f3.5-6.7 C 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 17-40mm f1.8 with a length of 116mm, is 5mm shorter. Besides being longer, the Sigma 16-300mm f3.5-6.7 C also has a larger diameter of 74mm compared to the Sigma 17-40mm f1.8's 73mm 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 17-40mm f1.8 weighs 535g, which means it is 90g (14%) lighter than the Sigma 16-300mm f3.5-6.7 C which has a weight of 625g.
Filter Threads
Both the Sigma 17-40mm f1.8 and the Sigma 16-300mm f3.5-6.7 C have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 17-40mm f1.8 and the Sigma 16-300mm f3.5-6.7 C has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R50 V, Canon R100 and Canon R50.
Sigma 17-40mm f1.8 is also available in the Sony E , Leica L and Fujifilm X mounts.
Sigma 16-300mm f3.5-6.7 C is also available in Sony E , Leica L and Fujifilm X mounts.
Focal Range
Sigma 17-40mm f1.8 has a focal range of 17-40mm and
2.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27.2-64mm when used on a APS-C / DX format camera.
On the other hand, the 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.
