Lenses¶
A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A lens can focus light to form an image, the specifics of which is determined by the actual geometry of the lens.
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Contents:
- Lens focus from object and image
- Linear magnification from distance to object and distance to image
- Linear magnification from object height and image height
- Optical power from focus distance
- Optical power from thin lens radii and refractive indices
- Optical power of spherical lens from refractive indices and distances