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Meadowlark Optics - Wave Plates 6/24 MR 2024
PowerPhotonic Ltd. - Bessel Beam Generator HP 6/24
1 supplier

Fixed Focal Length Lenses

The focal length of a lens is the distance between the lens's optical center (or principal point) and the image sensor or film when the lens is focused at infinity. In simple terms, it is the distance from the lens to the point where parallel rays of light converge or appear to diverge after passing through the lens.

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LightPath Technologies Inc. - Orlando, FL
Glossary
  • focal length The focal length of a lens is the distance between the lens's optical center (or principal point) and the image sensor or film when the lens is focused at infinity. In simple terms, it is the distance from the lens to the point where parallel rays...
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