Canon RF 28-70mm F2.8 IS STM Lens - Canon

This lens is exclusively compatible with Canon EOS R series full-frame mirrorless cameras, which feature the RF lens mount.

Yes, it's excellent for video. It features a whisper-quiet STM motor for silent autofocus, focus breathing correction to maintain consistent framing, and 5.5-stop optical image stabilization for smooth handheld footage.

F2.8 refers to the maximum aperture, which is constant across the entire 28-70mm zoom range. A fast f/2.8 aperture allows more light to reach the sensor, enabling better low-light performance and creating beautiful, shallow depth-of-field effects (bokeh).

Yes, the Canon RF 28-70mm F2.8 IS STM lens features powerful optical image stabilization, providing up to 5.5 stops of shake correction for sharper photos and smoother videos.

Yes, the lens incorporates weather sealing, offering protection against dust and moisture, making it suitable for use in various outdoor conditions.

The retracting mechanism allows you to twist the zoom ring past 28mm into a compact, stored position when not in use. This makes the lens smaller and more convenient for travel and storage.

Ensure the white square alignment markers on both the lens and camera body are precisely lined up before twisting the lens clockwise until it clicks firmly into place. Check for any obstructions on the lens mount or camera body.

Verify your camera's autofocus mode and settings. Clean the front element of the lens with a microfiber cloth to remove smudges. If using Image Stabilization (IS), ensure it's appropriate for your shooting conditions (e.g., turn off on a tripod). Check your shutter speed; if too slow, use IS or increase ISO.

Confirm the IS switch on the lens is set to 'ON'. Ensure your camera's firmware is up to date. If shooting on a tripod, sometimes turning IS OFF can yield sharper results as it might try to correct non-existent movement.

Check your camera's AF mode settings. Ensure there's sufficient light for the AF system to operate effectively. While the STM motor is quiet, extremely challenging low-light conditions can sometimes make AF struggle. Clean lens contacts on both the lens and camera with a dry, lint-free cloth.