Achromatic Lenses

 hese lenses have considerably reduced values of spherical aberrations. Best used to replace single components where performance must be improved. They are made of BK7, fused silica and CaF2. Special focusing systems can be designed by our engineers upon request.

Achromatic Lens
Combinations of
Two Optical
Grade Glasses
Diameter Size
smallest 5 mm
Diameter Tolerance
+0.0, -0.05mm
Paraxial Focal Length
5 arc minutes
Clear Aperture
Surface Figure:Power(N)
S Surface Irregularity (N)
Surface Quality
40/20 scratch and dig
< 0.2 mm x 45°
Single layer MgF2 broadband AR