Product Description Big Eye 45 Degree Split Image Focus Focusing Screen for Canon 5D Series and 6D Introduction: Enhanced Manual Focus: The BE-45 split image focusing screen is specially designed for Canon 5D and 6D series cameras. Ideal for photographers using manual focus lenses or those seeking more precise autofocus, this screen delivers a brighter viewfinder and greater focusing accuracy. Important Usage Tips: To maintain the clarity and functionality of the screen, avoid touching it with your fingers. Smudges or fingerprints can be difficult to remove, and care should be taken not to contaminate the camera's mirror or other internal components during installation. Non-Returnable: Please note that this product is non-returnable after testing, due to its delicate nature. Compatibility: Canon 5D Mark II Canon 5D Mark III Canon 5D Mark IV Canon 5D (First Generation) Canon 6D Package Contents: 1 x Focusing Screen 1 x Plastic Tweezer 2 x Latex Finger Cots