Canon's ultra-compact RF wide-angle pancake prime at a budget price.
The Canon RF 16mm f/2.8 STM launched in 2021 as one of Canon's most affordable RF primes. Providing an ultra-wide 16mm perspective in a compact near-pancake design, it brought wide-angle photography to budget RF-mount shooters. The 13cm minimum focus distance provides near-macro capability.
Optical quality is adequate with good centre sharpness and typical wide-angle corner softness. Distortion at 16mm is noticeable but correctable in-camera. STM motor is quiet for video. Build is compact plastic with a control ring. At 165g it adds minimal weight to the system.
Canon RF mount only, 43mm filter thread. The RF 14-35mm f/4L IS USM covers the 16mm focal length in a zoom with IS. The RF 15-30mm f/4.5-6.3 IS STM is a zoom alternative. For the price the 16mm prime is unmatched for its ultra-wide perspective.
Affordable used. Check the control ring and STM motor. The close 13cm minimum focus distance enables creative close-up work with dramatic wide-angle perspective. An excellent budget ultra-wide for vlogging, real estate, and landscape work.