• User replaceable dual 45° split image focus screen
  
• Compatible only with the Canon XS, XSi, T1i, T2i, T3i, T4i and T5i  cameras
  
• Provides more precise manual focusing, especially with macro work, focusing manually or images with vertical lines
  
• Does not affect your camera's AF (autofocus) capability or focus accuracy
  
• Made of translucent plastic with a flat matte finish
  
• Designed with a split-circle in the middle, surrounded by a ring field of micro-prism
• When the image is correctly focused, the circle becomes full and the line between will be unbroken. Otherwise, the line separates the circle into two halves.
• This set includes a focusing screen, one plastic tweezer and one aluminum tweezer, two latex finger protectors and a storage case
• The tweezers allow you to install the screen into the camera easily and the finger cots prevent your leaving your fingerprint on the screen
  
• Brand new and unused

Installation instructions:

NEVER touch the screen directly with your fingers; use only the included tweezers as any smudges are very difficult to remove  

• Turn your camera off and remove the lens
• Place the camera gently upside down on a stable surface and using the metal tweezers remove the metal bracket from inside your camera by releasing the locking mechanism
• Switching to the plastic tweezers, remove the original focus screen
• Replace with your new split image focus screen using the plastic tweezers
• Gently shake the camera to ensure the screen is in place;
• Replace the metal bracket