Email: Survey Officer
Usherwood, William (1821-1915), a portrait, miniature painter and photographer based in Dorking (1860-1907). He is noted for being the first person to successfully photograph of a comet using a portrait lens – Comet Donati, 1858 (RAS 1859, 138-9; Pasachoff 1996).
Optical Services Limited [Optical Surfaces] (1962- ), formed to produce specialist scientific optics for space, astronomy and high energy physics uses. Based at Kenley they have established an international reputation supplying optics to NASA, ESA and CERN.