acrylic material, Super bright,Light transmittance better than ground glass.Not fragile.
Light-weight，only 27g / 0.95oz
The Focusing screen Size: 123x101x2.0mm,
it is made of acrylic material,Ultra bright,clear and high contrast, easy to focusing, more brighter than general ground glass.
Suitable for Universal focusing screen works for 4x5 large format camera, like Graflex