Canon ET-101 Lens Hood PENTAXSN The interior of the lid

The interior of the lid is also lined with foam for additional internal protection

4 GHz wireless communications to remotely trigger the EF-60

Multi-coated to prevent internal ghosting and reflections while providing over 99

8 maximum aperture at any focal length

You needn't be an optics expert to appreciate the care that Nikon has taken in designing this lens

Canon ET-101 Lens Hood PENTAXSN The interior of the lidThe ET 101 Lens Hood from Canon fits the RF 800mm F 11 IS STM lens and helps to block sunlight or other light sources to prevent glare and lens flare. The hood also provides additional protection to the lens from accidental impacts, bumps, or scratching.