9504120

S1 Flatness, PV IR S2 Flatness, PV: L/4;
Surface Quality: 40-20
S1&S2: AR@585+755+1064nm AOI0deg;
Protective chamfers: <0.3mm @ 45deg
Power: 4L;
Material: BK7
Focal length, mm: +30mm +/-3%
Edge thickness, mm: 1.95 +/- 0.2 mm
Diameter, mm: 12.0 +0/-0.1
Coatings:
Clear Aperture: >90%
Center thickness, mm: 2.7 +/- 0.25 mm
Centration error: <3arcmin;