List of viewing instruments

A viewing instrument is a type of optical instrument that is used to assist viewing or visually examining an object or scenery.

Types

^ Cotton, Peter B. (2009-01-26). Advanced Digestive Endoscopy. Malden, Mass: John Wiley & Sons. p. 47. ISBN 978-1-4443-0027-7.
^ Reis, L. van der (1978-06-26). The Esophagus. Basel: Karger Medical and Scientific Publishers. p. 151. ISBN 978-3-318-03626-8.
^ Johnson, B. K. (2012-04-30). Optics and Optical Instruments. Courier Corporation. p. 45. ISBN 978-0-486-14383-5.
^ ^a ^b Education, Naval (2013-02-06). Basic Optics and Optical Instruments. Courier Corporation. ISBN 978-0-486-16461-8.
^ Johnson, B. K. (2012-04-30). Optics and Optical Instruments. Courier Corporation. p. 78. ISBN 978-0-486-14383-5.