images provided for illustrative purposes only
Ronchi Ruling 100 Lines/mm
Transmission Grating 100 Lines per mm
21B01291
£273.28
Thank you for your quote request, we will be in touch shortly.
Typically used for testing of resolution, field distortion and parfocal stability, but may be paired to provide interference patterns (fringe patterns) and as light gates.
B270 1.5mm thick
50mm x 50mm
Vacuum Deposited Chrome on Glass
Ruled over 30mm wide central strip
0.005mm ± 0.001mm