Specifications:
Material: ........................................BK7,Fused Silica
Design Wavelength:......................................588nm
Focal Length Tolerance:.................................+/-1%
Dimension Tolerance:...........................+0.0,-0.1mm
Thickness Tolerance:.................................+/-0.2mm
Surface Accuracy:................................................λ/2
Surface Quality:..............................................60-40
Centration:.........................................................<3'
Clear Aperture:...............................................>90%
Bevelling:...................................................0.2×45°
Coating: ....AR@350-650nm or 650-1050nm or 1050-1580nm