The 10-blade aperture and specialized optical design produce pronounced sunstar effects even at f/2.8, while the 14-element construction ensures sharp, low-coma images for nightscapes. Its compact 363g all-metal body and 67mm filter thread make it a durable, easily packable prime for outdoor adventures. This manual-focus lens is best for APS-C Canon RF shooters specializing in astrophotography and landscape work who prioritize creative sunstar rendering over autofocus convenience.