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2. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

3. History of photographic lens design - Wikipedia

   en.wikipedia.org/wiki/History_of_photographic...

   The best photographic lenses of yesteryear were of high image quality (twice the minimum resolution mentioned above) and it may not be possible to conclusively demonstrate the superiority of the best of today's lens without comparing poster size (around 610×914 mm or 24×36 inch) enlargements of exactly the same scene side by side. [235] [236]

4. Prism (optics) - Wikipedia

   en.wikipedia.org/wiki/Prism_(optics)

   Prism (optics) A familiar dispersive prism. An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base ...

5. Optical coating - Wikipedia

   en.wikipedia.org/wiki/Optical_coating

   An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics. One type of optical coating is an anti-reflective coating, which reduces unwanted ...

6. MAXPRO is the best home gym equipment for small spaces, and ...

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   BGR may receive a commission. Buy from Amazon. $1,029. $879. Buy from MAXPRO. $1,029. Are you on a mission to build the perfect home gym? Well, now is definitely the time to do it.

7. Dove prism - Wikipedia

   en.wikipedia.org/wiki/Dove_prism

   A Dove prism. The path of a beam through a Dove prism. A Dove prism is a type of reflective prism which is used to invert an image. Dove prisms are shaped from a truncated right-angle prism. The Dove prism is named for its inventor, Heinrich Wilhelm Dove. Although the shape of this prism is similar to the shape described by a Dovetail joint ...