Brightwater Optics
Lens, filter and light-source testing for small labs and makers, in Cambridge. Calibrated spectra from 380 to 780 nm, results in five working days, from £120 a sample.
Tests
- Transmission curve, 380–780 nm — £120
- LED colour and brightness — £150
- Filter cut-off check — £90
- A written report with every test
How it works
Post your sample with a note of what you need. We test it in a dark room on calibrated equipment and email the data and a plain-English summary within five working days.