Description

• Portable and precise, the instrument provides direct wavelength readings of visible spectrum from 400nm to 750nm with each scale division representing 5nm.
• The spectrum is viewed in the plane of scale and for error free readings, D-line on scale can be adjusted.
• Incorporates a 10 x 10mm Amici type 3-element prism train, telescopic focusing housed in brass body and variable optical slit adjustable by knurled head rotating ring.
• Wooden storage case included.