Olympus Focusing Screen 1-8, all matte type (for super telephoto lenses & astronomical telescopes).
This screen is ideal for use with super telephoto lenses of 300mm or more in focal length, or for astrophotography.
The extreme fineness of the matte surface permits outstanding field definition.
Focusing is done on the matte area. More accurate focusing may be achieved by the use of the Varimagni Finder.
Flawless condition, comes with box.
