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2. Binoculars - Wikipedia

   en.wikipedia.org/wiki/Binoculars

   Most compact binoculars feature magnifications of 7× to 10×, and objective diameter sizes of a relatively modest 20 mm to 25 mm, resulting in small exit pupil sizes limiting low light suitability. Roof prism designs tend to be narrower and more compact than equivalent Porro prism designs.

3. 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. The Trinovid binoculars were introduced in 1958 based on a patent request filed in 1953 and ...

4. NGC 1245 - Wikipedia

   en.wikipedia.org/wiki/NGC_1245

   NGC 1245 is an open cluster in the constellation Perseus. It was discovered by William Herschel in 11 December 1786. [2] It is located 3° southwest of alpha Persei and can be spotted with 10x50 binoculars. [3] The cluster is nearly 1 billion years old. [4] NGC 1245 has about 200 members the brightest of which are of 12th magnitude. [5]

5. Ross (optics) - Wikipedia

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

   Ross (optics) Ross is the name of a succession of London -based lens designers and their company. Andrew Ross (1798–1859) founded his company in 1830; from 1840 he began producing camera lenses signed "A. Ross". During his lifetime, the company was one of the foremost lens manufacturers. The year after his death in 1859, his son-in-law John ...

6. NGC 1528 - Wikipedia

   en.wikipedia.org/wiki/NGC_1528

   NGC 1528. NGC 1528 is an open cluster in the constellation Perseus. It was discovered by William Herschel in 1790. It is located in the north-eastern part of the constellation, just under 3 degrees north of μ Persei. Less than 1.5° to the southeast is the open cluster NGC 1545 (m = 6.2).

7. Bushnell Corporation - Wikipedia

   en.wikipedia.org/wiki/Bushnell_Corporation

   Browning Sports Optics. Simmons Outdoor Corporation. Tasco. Website. Bushnell.com. Bushnell Corporation is an American firm that specializes in sporting optics and outdoor products. It is based in Overland Park, Kansas and is a wholly-owned subsidiary of Vista Outdoor.