Nov 01, 2023 Jeremy Gray Canon Announces Ultra-Wide RF-S 10-18mm f/4.5-6.3 IS STM Lens Somewhat surprisingly, Canon has yet to offer an APS-C ultra-wide zoom for its EOS R cameras. That changes with the introduction of the RF-S 10-18mm f/4.5-6.3 IS STM. Nov 01, 2023