Canon Lens Hood EW-73B

The EW-73B Lens Hood is compatible with the Canon EF-S 17-85mm f/4-5.6 IS USM, EF-S 18-135mm f/3.5-5.6 IS, and EF-S 18-135mm f/3.5-5.6 IS STM lenses.

No, this lens hood is designed for a specific fit. Using it on incompatible lenses may result in vignetting (dark corners in your image) or an unstable attachment.

While primarily designed to block stray light in bright conditions, it can also help prevent light from nearby sources (like indoor lighting) from causing unwanted reflections on the lens.

Clean the lens hood with a soft, dry microfiber cloth. For tougher marks, a slightly damp cloth can be used, but avoid abrasive cleaners.

Yes, the EW-73B Lens Hood allows for the attachment of the original lens cap when the hood is fitted to the lens.

The EW-73B lens hood weighs approximately 47 grams.

Yes, the EW-73B is a genuine Canon accessory, ensuring quality and compatibility with your Canon camera system.

Ensure you are using a compatible Canon lens. Check for any debris on the mounting points of both the lens and the hood. Realign the guides carefully and twist firmly.

Verify that the hood is fully locked into position by twisting until it clicks or stops. If it remains loose, there might be an issue with the hood's internal locking mechanism or the lens mount; consider checking with a Canon service center.

Ensure the hood is correctly oriented and fully attached. Also, clean the front element of your lens, as smudges can still cause flare. The hood is designed to reduce stray light, but direct, intense light sources may still have some effect.