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Canon ER-iE eyecup for EOS R1, large cushioned cup with 360° rotating mechanism and 90° clicks

Canon

Canon ER-iE eyecup for EOS R1 mirrorless camera, 360° rotation with 90° clicks

SKU CH-B246-33EX2

A viewfinder eyecup for the EOS R1 mirrorless camera that rotates 360° with 90° clicks for comfortable vertical shooting

  • Larger viewfinder image for precise focus with enhanced magnification
  • Comfortable long sessions with ergonomic cushioned barrier blocking stray light
  • Sharp viewfinder without glasses via customised dioptric adjustment
  • High contrast viewing by minimising stray light entry
  • Easy vertical shooting with 360° rotation and 90° clicks

Canon ER-iE eyecup for EOS R1

The Canon ER-iE eyecup is a dedicated viewfinder accessory designed exclusively for the EOS R1 mirrorless camera. It provides enhanced magnification for a larger, more detailed view, improving focus accuracy and composition. The ergonomic design reduces eye strain during long sessions while blocking stray light for better contrast.

Ideal for eyeglass wearers and vertical shooters

This eyecup suits photographers who wear glasses, offering a soft, cushioned barrier that ensures a secure fit and minimises pressure. The 360° rotation with 90° clicks makes it exceptionally useful for frequent vertical orientation changes. Buyers using cameras other than the EOS R1 should look elsewhere as compatibility is specific to this model.

Simple friction fit with rotational clicks

Installation consists of sliding the eyecup onto the EOS R1 viewfinder eyepiece until it seats securely. The asymmetrical shape must be oriented correctly for the 360° revolving mechanism to function smoothly through its 90° click stops. The most common issue is attempting to force the eyecup onto an incompatible camera model, which prevents proper attachment.

How it compares

Measured against everything we stock in Camera Extras & Accessory Packs, at today’s prices. Recalculated every night.

Price $60.99
Pricier than about 61% of the 2,266 comparable items (median $39.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the Canon ER-iE eyecup require the EOS R1 mirrorless camera to function?

Yes, the eyecup is specifically engineered for the EOS R1 mirrorless camera and attaches directly to its viewfinder eyepiece.

Can the eyecup stay attached when the camera is held vertically for portrait orientation?

The 360° revolving mechanism clicks every 90°, so the eyecup rotates with the camera and stays secure in both horizontal and vertical shooting positions.

How can I confirm the dioptric adjustment is set correctly after fitting the eyecup?

Look through the viewfinder and turn the camera's dioptre dial until the focus points and info display appear sharpest to your eye.

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