Horiba Scientific spectrofluorometer is lens-free
The Fluorolog-QM all-reflective, modular research spectrofluorometer is lens-free and provides focus at all wavelengths from 180 to 5500 nm. It has 32,000:1 signal-to-noise ratio for the Raman band of water using the FSD (Square Root) method, and focal length of 350 mm for single monochromators and 700 mm for double monochromators.
Horiba Scientific
Piscataway, NJ