* This split focusing screen will be the best choice to achieve accurate focusing for your manual focus lens or AF lens.
* The focusing screen is a flat with glossy and matte translucent plastic, in which bring a split circle in middle as well as surrounding 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 will separate the circle into two halves.
Installation Tips:
Firstly, taking off the lens and opening the lock of the focusing screen device, it will be pop up. And then, putting the focusing screen in with a silicone tweezers carefully. Please note that glossy surface toward outside, matt surface toward pentaprism.