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2. Waveguide (optics) - Wikipedia

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

   Because guided modes are trapped in the slab, they cannot be excited by light incident on the top or bottom interfaces. Light can be end-fire or butte coupled by injecting it with a lens in the plane of the slab. Alternatively a coupling element may be used to couple light into the waveguide, such as a grating coupler or prism coupler.

3. Kit lens - Wikipedia

   en.wikipedia.org/wiki/Kit_lens

   A kit lens is a "starter" lens which can be sold with an interchangeable-lens camera such as a mirrorless camera or DSLR. It is generally an inexpensive lens priced at the lowest end of the manufacturer's range so as to not add much to a camera kit's price.

4. 20 products AOL editors have actually tested that are on sale ...

   www.aol.com/lifestyle/products-aol-editors-have...

   The Litter-Robot itself is not on sale, but you can get the Kickstarter Bundle for $714 right now. It includes the box, cat litter, cleaner, and trash bags. It normally costs $814, but it's $100 ...

5. These are the top 100 Black Friday deals, according to Walmart

   www.aol.com/lifestyle/these-are-the-top-100...

   TVs. onn. Full motion TV wall mount for $29 (save $20) Hisense 65" Class R6 4K Smart TV for $178 (save $100) TCL 43" Class Q5 Smart TV for $178 (save $70)

6. Kiev (brand) - Wikipedia

   en.wikipedia.org/wiki/Kiev_(brand)

   The -M version of the lens has click stops on aperture ring and the -NB version uses the external bayonet – it was introduced with Kiev 5, which does not have the internal one. The usual Jupiter-8 is the same lens than in M39. Helios-94 has the external bayonet and was available as a kit lens on Kiev 5.

7. Petzval lens - Wikipedia

   en.wikipedia.org/wiki/Petzval_lens

   The Petzval objective, or Petzval lens, is the first photographic portrait objective lens (with a 160 mm focal length) in the history of photography. [1] It was developed by the Slovak mathematics professor Joseph Petzval in 1840 in Vienna , [ 2 ] with technical advice provided by Peter Wilhelm Friedrich von Voigtländer [ de ] .

8. Man accused of trying to smuggle meth-caked clothing on ...

   www.aol.com/man-accused-trying-smuggle-meth...

   Raj Matharu, 31, of Northridge, faces one count of possession with intent to distribute methamphetamine, according to the U.S. Attorney's Office.

9. Ferrari 456 - Wikipedia

   en.wikipedia.org/wiki/Ferrari_456

   The Ferrari 456 and 456M (Type F116) are front-engine grand tourers which were produced by Italian automobile manufacturer Ferrari from 1992 to 2003. The 456 succeeded the front-engine 412 as the company's V12-powered four-seater.