In photonics since 1999. Benelux technical support, answer within one working day.
Plano-concave lens, Fused silica, Ø 22.4 mm, f = -150 mm, ARB2-VIS
On request
Plano-concave singlet in Fused silica, Ø 22.4 mm, focal length -150 mm. ARB2-VIS broadband AR coating. Negative focal length: diverges the beam, for beam expanders and to shorten system length.
