WebAtmospheric Optics Glossary This doesn't pretend to be complete. terms used in my green-flash/mirage/refraction pages. These terms are drawn from a variety of disciplines: optics, … WebOptics Glossary – a Compendium of Terms Abbe-Koenig The Abbe-Koenig prism is a common type of roof prism used in many hunting optics to invert an image, or rotate it 180º. This type of prism is named after Ernst Abbe and Albert Koenig.
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WebAug 22, 2013 · Field of View. Field of view (FOV) is the amount of area seen through your scope from right to left at 100 yards. As magnification is increased, FOV is lessened. As magnification is decreased, FOV is increased. For example, a typical 3X variable scope might have a FOV at 100 yards of a bit over 30 feet, and at 9X, the FOV would be around 14 feet. WebOptical Glossary. If you’re wondering what PD, ANSI, or photochromic means, you’ve come to the right place—we’ve created a glossary of the most common optical terms and … touhary
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WebFeb 2, 2024 · Coated optics – one or more surfaces have optical coatings applied. Fully coated – all air-to-glass surfaces have optical coatings applied. Multi-coated – one or more surfaces have multiple layers of optical coatings applied. Fully multi-coated – all air-to-glass surfaces have multiple layers of optical coatings applied. WebNov 23, 2014 · Optics Glossary. Back Focal Length (BFL): The distance. between the last surface of a lens to its. image focal plane. Bandpass: The range of wavelengths that. passes through a filter or other optical. component. Bandwidth: Range of wavelengths over. which the specified transmission or. reflection occurs. Beam Deviation: See Deviation. WebMar 18, 2024 · Thermal Optics Glossary of Terms and Definitions. 2024-03-18. Thermal imaging riflescopes, binoculars and monoculars are some of the most advanced optics available to civilians. Many sportsmen and women may not be as familiar with the internal mechanics of thermal imaging as they are with traditional magnified hunting scopes. … pottery barn promo code 10 off