The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 12mm f2.8 MF and the Samyang AF 12mm f2 RF-S 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. Venus 12mm f2.8 MF is the longer of the two lenses at 77mm. The Samyang AF 12mm f2 RF-S with a length of 63mm, is 14mm shorter. Besides being longer, the Venus 12mm f2.8 MF also has a larger diameter of 77mm compared to the Samyang AF 12mm f2 RF-S's 70mm 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. Samyang AF 12mm f2 RF-S weighs 213g, 55% (267g) lighter than the Venus 12mm f2.8 MF's weight of 480g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Canon RF Mount for size comparison purposes.
Ultra-Wideangle Lenses in Canon RF Mount for Size Comparison
Filter Threads
The Venus 12mm f2.8 MF has a filter size of 72mm whereas the Samyang AF 12mm f2 RF-S has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Venus 12mm f2.8 MF:
And these are the 62mm filters that we recommend for the Samyang AF 12mm f2 RF-S:
Lens Mounts
Both the Venus 12mm f2.8 MF and the Samyang AF 12mm f2 RF-S 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.
Venus 12mm f2.8 MF is also available in the Sony E , Nikon Z and Leica L mounts.
Focal Range
Both lenses have the same focal range of
12mm but while Venus 12mm f2.8 MF has the fastest aperture of
F2.8, the Samyang AF 12mm f2 RF-S's widest aperture value is
F2.0.
