A viewing instrument is a type of optical instrument that is used to assist viewing or visually examining an object or scenery.
Types
- binoculars
- contact lenses
- cystoscope
- electrotachyscope
- endoscope including oblique-viewing instruments for seeing the digestive system12
- eyeglasses
- fibrescope
- finderscope
- fluoroscope
- gastroscope
- gonioscope
- kinetoscope
- laryngoscope
- magnifying glass
- microscope3
- ophthalmoscope
- otoscope
- periscope4
- phenakistoscope also phenakistiscope
- praxinoscope
- reflector sight4
- spectroscope
- spotting scope
- stereoscope
- stroboscope
- tachistoscope
- telescope5
- teleidoscope
- viewfinder
References
References
- 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.
- 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.