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Take the reciprocal of the focal length measured in metres.
The optical power of a lens (or mirror) with a focal length on 2.5 metres is 1/2.5 = 0.4 dioptres.
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What are diopters?
Refractive error is measured in units called diopters
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convert 0.056915 meters to micrometers
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To convert from feet to meters multiply by 0.3048 21 feet = 21 x 0.3048 meters ~ 6.4 meters
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What are diopters?
Refractive error is measured in units called diopters
When was Farsighted for Two Diopters created?
Farsighted for Two Diopters was created in 1976.
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The duration of Farsighted for Two Diopters is 1.48 hours.
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convert degrees to meters
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Convert 60.96cm to meters?
0.6096 meters
