It is acrylic material, Super bright,Light transmittance better than ground glass.Not fragile.
Super Bright 8X10 inch Focusing Screen Ground Glass for Large format Camera New
New Super Bright 8X10 inch Matte Screen Focusing screen for Large format Camera
Ultra Bright 4x5 Fresnel Focusing Screen Ground Glass For Horseman Sinar 101x127
Super Bright 2 in 1 4x5 Fresnel Focusing Screen Ground Glass For Wista Tachihara
Original NEW Ground Focusing Focus Screen Matte Glass For Canon EOS 5DS 5DSR
Replacemen 8X10 Focusing Screen w/ Grid for Deardorff Kodak ShenHao Toyo Camera
