The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 10-18mm F2.8 DC DN C and the Nikon AF-P DX 10-20mm F4.5-5.6G VR 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. Nikon AF-P DX 10-20mm F4.5-5.6G VR is the longer of the two lenses at 73mm. The Sigma 10-18mm F2.8 DC DN C with a length of 64mm, is 9mm shorter. Besides being longer, the Nikon AF-P DX 10-20mm F4.5-5.6G VR also has a larger diameter of 77mm compared to the Sigma 10-18mm F2.8 DC DN C's 72mm diameter.
Below you can find a scaled side-by-side image of Sigma 10-18mm F2.8 DC DN C and Nikon AF-P DX 10-20mm F4.5-5.6G VR to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 10-18mm F2.8 DC DN C and the Nikon AF-P DX 10-20mm F4.5-5.6G VR 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. Nikon AF-P DX 10-20mm F4.5-5.6G VR weighs 230g, 11% (30g) lighter than the Sigma 10-18mm F2.8 DC DN C's weight of 260g.
Filter Threads
The Sigma 10-18mm F2.8 DC DN C has a filter size of 67mm whereas the Nikon AF-P DX 10-20mm F4.5-5.6G VR has a 72mm 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 10-18mm F2.8 DC DN C:
And these are the 72mm filters that we recommend for the Nikon AF-P DX 10-20mm F4.5-5.6G VR:
Lens Mounts
The Sigma 10-18mm F2.8 DC DN C has the Leica L lens mount whereas the Nikon AF-P DX 10-20mm F4.5-5.6G VR has the Nikon F (DX) lens mount . Some of the latest released cameras that are compatible with these mounts are Leica TL2 , Leica TL and Leica T Typ 701 for the Leica L Mount and Nikon D3500 , Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
Sony E , Fujifilm X and Canon RF mounts.
Focal Range
Sigma 10-18mm F2.8 DC DN C has a focal range of 10-18mm and
1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
15-27mm when used on a APS-C / DX format camera.
On the other hand, the Nikon AF-P DX 10-20mm F4.5-5.6G VR has a focal range of 10-20mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 15-30mm when used on a APS-C / DX format camera.
