Specifications:
Material: BK7 or Fused Silica
Diameter: 25.4mm ± 0.2mm
Thickness: 3.0mm ± 0.2mm
Clear Aperture: > 90%
FWHM: ± 10nm
Peak Transmission: > 35%
Block: 0.01% (± 20nm from the peak)
Standard Wavelength (nm): 355, 405, 488, 514, 532, 633, 780, 850, 1064