The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Brightin 14mm f2.8 and the Canon RF-S 10-18mm F4.5-6.3 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. Brightin 14mm f2.8 is the longer of the two lenses at 76mm. The Canon RF-S 10-18mm F4.5-6.3 with a length of 45mm, is 31mm shorter. On the other hand, the Canon RF-S 10-18mm F4.5-6.3 has a larger diameter of 69mm compared to the Brightin 14mm f2.8's 67mm diameter.
Below you can find a scaled side-by-side image of Brightin 14mm f2.8 and Canon RF-S 10-18mm F4.5-6.3 to get a better idea of how their sizes compare in real life.
Comparison image of the Brightin 14mm f2.8 and the Canon RF-S 10-18mm F4.5-6.3 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 RF-S 10-18mm F4.5-6.3 weighs 150g, 69% (346g) lighter than the Brightin 14mm f2.8's weight of 496g.
Filter Threads
The Brightin 14mm f2.8 has a filter size of 82mm whereas the Canon RF-S 10-18mm F4.5-6.3 has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Brightin 14mm f2.8:
And these are the 49mm filters that we recommend for the Canon RF-S 10-18mm F4.5-6.3:
Lens Mounts
Both the Brightin 14mm f2.8 and the Canon RF-S 10-18mm F4.5-6.3 has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V , Canon R6 III and Canon C50 .
Brightin 14mm f2.8 is also available in the Sony E , Nikon Z and Leica L mounts.
Focal Range
Brightin 14mm f2.8 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21mm .
On the other hand, the Canon RF-S 10-18mm F4.5-6.3 has a focal range of 10-18mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-28.8mm when used on a APS-C / DX format camera.