Plano-concave lens, N-BK7, Ø 25.4 mm, f = -500 mm, RAL

€ 60,00

Plano-concave singlet in N-BK7, Ø 25.4 mm, focal length -500 mm. RAL coating. Negative focal length: diverges the beam, for beam expanders and to shorten system length.

On request

SKU: G314324331 Category: Brand: