Definitions
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Help support Wordnik (and make this page ad-free) by adopting the word Diopter.
Examples
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My eyes aren't what they used to be and I have to use the Diopter if not using reading glasses.
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I cannot find a clear answer anywhere online, if I were to purchase a 77-55mm step down ring in order to use the Hoya Achromatic +10 Diopter, would that cause vignette?
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• Eyepoint 17.9 mm (-1.0 m-1) • Diopter adjustment -1.7 to+1 m Focusing screen
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• Eyepoint 17.9 mm (-1.0 m-1) • Diopter adjustment -1.7 to+1 m Focusing screen
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Optical: TTL, 0.74 x, Diopter - 1m-1 100\% coverage of 35 mm Full-frame area
Digital Photography Tutorials, Best Digital Cameras, Digital Camera Reviews - Photoxels 2008
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Oceanic Optical Lens for Ion Series Masks -6.0 Diopter
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Oceanic Optical Lens for Ion Series Masks -8.0 Diopter
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Oceanic Optical Lens for Ion Series Masks -3.0 Diopter
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Oceanic Optical Lens for Ion Series Masks -3.5 Diopter
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Oceanic Optical Lens for Ion Series Masks -5.0 Diopter
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