Canon RF-3 Camera Cover (Body Cap)

Essential OEM Protection for Your Canon DSLR

The most vulnerable part of any interchangeable lens camera is the gaping opening that exposes the delicate internal mirror, the shutter mechanism, and the highly sensitive image sensor. Whether you are packing your camera body into a bag for a flight, shipping it to a buyer, or simply storing it on a shelf while your lenses are being cleaned, leaving that mount exposed to the elements is a recipe for disaster.

The Canon R-F-3 Camera Cover (commonly known as a Body Cap) is the genuine, Original Equipment Manufacturer (OEM) solution for protecting the interior of your classic Canon DSLR. By locking securely onto the lens mount, it acts as a physical shield against abrasive dust, moisture, and accidental bumps, ensuring that your camera's internal components remain pristine and ready for your next shoot.

Why You'll Love This Cap

Crucial Sensor Protection: Dust is the enemy of digital photography, appearing as frustrating dark spots on your final images. This cap seals the camera body, drastically reducing the amount of dust, pollen, and pet hair that can settle onto the sensor or focusing screen when a lens is not attached.
Genuine OEM Fit: Because this is an authentic Canon accessory, it is molded to exact factory specifications. Unlike cheap, generic third-party caps that often fit loosely and accidentally pop off inside your bag, the R-F-3 twists and locks onto the bayonet mount with a reassuring, secure fit.
High-Impact Durability: Constructed from sturdy, high-impact black plastic, it serves as a physical barrier against keys, zippers, and other gear shifting around inside your camera backpack, preventing catastrophic scratches to the mirror or sensor.
Universal DSLR Compatibility: This single cap is the universal standard for Canon's entire DSLR ecosystem. It fits flawlessly onto any Canon EOS camera body that utilizes the EF or EF-S mount.

Technical Specifications

Specification	Detail
Accessory Type	Camera Cover (Body Cap)
Model	R-F-3 (Part Number: 2428A001)
Mount Compatibility	Canon EF and Canon EF-S Mounts
Construction Material	High-Impact Plastic
Attachment Method	Twist-Lock Bayonet
Color	Black

Things to Note

The absolute most critical factor before purchasing this cap is understanding Canon's naming conventions regarding your camera mount system.

Despite having "RF" in its product name (R-F-3), this cap is designed EXCLUSIVELY for classic Canon DSLR cameras (the EF and EF-S mounts) like the 5D Mark IV, 6D, 90D, and Rebel series.

It will not fit modern Canon mirrorless cameras:

If you shoot with the modern full-frame or APS-C mirrorless EOS R system (like the EOS R5, R6, R8, or R50), you need the Canon Camera Cover R-F-5.
If you shoot with the older EOS M mirrorless system (like the EOS M50), you need the Canon Camera Cover R-F-4.

Secondly, to properly attach this cap to your camera, you must align the index mark. Look for the small, embossed line or dot on the outer rim of the plastic cap. This mark must be aligned with the red dot (on full-frame bodies) or the white square (on crop-sensor bodies) on the camera mount before twisting it clockwise to lock it in place.

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Canon RF-3 EOS Body Cap