In photonics since 1999. Benelux technical support, answer within one working day.
Biconcave lens, N-BK7, Ø 12.7 mm, f = -50 mm, RAGV
€ 42,00
Biconcave singlet in N-BK7, Ø 12.7 mm, focal length -50 mm. RAGV coating. Negative focal length: diverges the beam, for beam expanders and to shorten system length.
On request
