Additional Features of the RF 24mm F1.8 Macro IS STM Lens Include:
Fast F1.8 maximum aperture for great control over depth of field and bokeh, low-light shooting, and video recording, with fast and reliable autofocus.
Excellent image quality: highlights include a UD (Ultra-low Dispersion) glass element, one aspheric element, and Canon SSC (Super Spectra Coating) to help minimize ghosting and flare.
Minimum focus distance of approx. 5.5 In./0.14 m; close-up magnification 0.5x at minimum focus distance.
Optical image stabilization — up to 5.5 stops* of shake correction. Up to 6.5 stops Coordinated IS when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS).
Dedicated, programmable Control Ring with click-stop operation.
Equivalent to approximately 38mm coverage when used on cameras with APS-C size image sensors.
Impressively compact and light at only 0.6 lbs/270g.
Circular (9 blades) aperture for beautiful, soft backgrounds.
https://www.canonwatch.com/here-are-the-canon-rf-24mm-f-1-8-macro-is-stm-and-rf-15-30mm-f-4-5-6-3-is-stm-announced