Fused Silica Bi-Concave Lenses
 

These lenses are similar to plano-concave lenses and are best used with absolute conjugate ratios between 1/5 and 5.
 

29
Material:    Fused Silica
Focal Length:    +/- 2 %
Design Wavelength:    546,1 nm
Diameter Tolerance:    +0/- 0.2 mm
Centering:    < 5 min. of arc
Wavefront Distortion:    λ/10
Clear Aperture:    90 % of diameter
Surface Quality:    S/D 10-5
Antireflection Coating:    on request
Lens mounted in cell:    on request

 

Other dimensions and focal lengths on request: list of radii

Part-No. Diameter Focal Length Price €
LBV0.5"Q/-25 0.5" -25 mm 71 ,--
LBV0.5"Q/-30 0.5" -30 mm 70 ,--
LBV0.5"Q/-50 0.5" -50 mm 70 ,--
LBV0.5"Q/-75 0.5" -75 mm 70 ,--
LBV0.5"Q/-100 0.5" -100 mm 70 ,--
LBV1"Q/-25 1" -25 mm 72 ,--
LBV1"Q/-30 1" -30 mm 72 ,--
LBV1"Q/-50 1" -50 mm 66 ,--
LBV1"Q/-75 1" -75 mm 66 ,--
LBV1"Q/-100 1" -100 mm 66 ,--
LBV1"Q/-150 1" -150 mm 66 ,--
LBV1"Q/-200 1" -200 mm 66 ,--