Canon ER-kE Camera Accessory for EOS R5 Mark II, Black compatibility with Canon cameras

Canon ER-kE is a black eyecup accessory engineered for compatibility with the EOS R5 Mark II and other Canon mirrorless cameras. Designed to attach to the camera's viewfinder, the eyecup provides extra cushioning around the eyepiece, improves comfort for extended use and helps block stray light. The ER-kE’s larger profile and asymmetrical shape are intended to accommodate eyeglass wearers and to maintain a stable eye position during both horizontal and vertical shooting.

Advantages

The eyecup offers a soft, cushioned contact surface that reduces pressure on the eye socket and minimizes light intrusion into the viewfinder. Its asymmetrical form and 360° rotating feature with tactile clicks every 90° enable straightforward repositioning for portrait or landscape orientation without compromising stability. The design fits model-specific mount points on compatible Canon cameras for a secure attachment and simple replacement of the factory eyecup.

Suitable for

• Photographers who wear eyeglasses and need additional eye relief
• Users who frequently switch between horizontal and vertical shooting
• Videographers requiring reduced light leakage into the viewfinder
• Professional and enthusiast EOS R5 Mark II owners seeking improved handling comfort

Key specifications

• Color: Black
• Type: Large eyecup for camera viewfinder
• Shape: Asymmetrical design for enhanced eye relief
• Rotation: 360° rotation with clicks every 90° for orientation locking
• Compatibility: Fits EOS R5 Mark II and compatible Canon mirrorless viewfinders
• Attachment: Model-specific mount for secure fit and easy replacement

How to use

Remove the existing eyecup from the camera viewfinder according to the camera manual, align the ER-kE’s mounting grooves with the viewfinder slot and press or rotate into place until it clicks securely. Rotate the eyecup in 90° increments when switching between landscape and portrait orientations to obtain the preferred position. Clean the eyecup with a soft, dry cloth; avoid solvents or abrasive cleaners.

Usage recommendations

For best results, attach the ER-kE before extended shooting sessions or video recordings to improve comfort and reduce eye strain. Ensure the eyecup is properly locked in position before operating the camera in vertical orientation. Inspect the eyecup periodically for wear and replace it if cushioning becomes compressed or damaged.