Material:BK7
Design wavelength:480.0nm,546.1nm,643.8nm
Paraxial focal length:¡À2%
Dimension tolerance:0/-0.15mm
Thickness Tolerance:¡À0.2mm
Centration:3 arc min¡¡
Surface figure:1/4¦Ë
Surface quality:60¡ª40scratch and dig
Clear aperture:90£¥
Coating:available upon request