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1. ROOF - IQ CBRE NextGen Real Estate ETF

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   19.30+0.15 (+0.79%)

   at Tue, Jun 4, 2024, 10:10AM EDT - U.S. markets open in 5 hours 30 minutes

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   • P/E 25.00
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3. Binoculars - Wikipedia

   en.wikipedia.org/wiki/Binoculars

   Most roof prism binoculars use either the Schmidt–Pechan prism (invented in 1899) or the Abbe–Koenig prism (named after Ernst Karl Abbe and Albert König and patented by Carl Zeiss in 1905) designs to erect the image and fold the optical path. They have objective lenses that are approximately in a line with the eyepieces.

4. Roof prism - Wikipedia

   en.wikipedia.org/wiki/Roof_prism

   A roof prism, also called a Dachkanten prism or Dach prism (from German: Dachkante, lit. "roof edge"), is a reflective prism containing a section where two faces meet at a 90° angle, resembling the roof of a building and thus the name.

5. Abbe–Koenig prism - Wikipedia

   en.wikipedia.org/wiki/Abbe–Koenig_prism

   An Abbe–Koenig prism is a type of reflecting prism, used to invert an image (rotate it by 180°). They are commonly used in binoculars and some telescopes for this purpose. The prism is named after Ernst Abbe and Albert Koenig .

6. Schmidt–Pechan prism - Wikipedia

   en.wikipedia.org/wiki/Schmidt–Pechan_prism

   A Schmidt–Pechan prism is a type of optical prism used to rotate an image by 180°. These prisms are commonly used in binoculars as an image erecting system. The Schmidt–Pechan prism makes use of a roof prism section (from the German: "Dachkante", lit. roof edge ).

7. Trinovid - Wikipedia

   en.wikipedia.org/wiki/Trinovid

   Trinovid is the protected model designation of a roof prism binoculars series from the company Leitz (optics) (since 1986 Leica Camera) based in Wetzlar, a German centre for optics as well as an important location for the precision engineering industry.

8. Porro prism - Wikipedia

   en.wikipedia.org/wiki/Porro_prism

   The distinction between a roof prism and a Porro prism is that for the roof prism the roof edge lies in the same plane as entrance and exit beam, while for a Porro prism the (left out) roof edge is orthogonal to the plane formed by the beams.