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2. Televue - Wikipedia

   en.wikipedia.org/wiki/Televue

   At the North East Astronomy Forum 2010, they revealed the Ethos SX, a 3.7mm focal length eyepiece with an even greater 110° apparent field-of-view. [3] In 2011, a new line of eyepieces was introduced called the Delos. These eyepieces are based on the Ethos but have a smaller field of view of 72°. Instead, they boast a comfortable 20mm eye relief.

3. Glasses are 50% off at GlassesUSA during Black Friday: Frames ...

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   During the sale, you can also get 25% off lenses, 60% off designer brands, and 30% off contacts. Shopping at GlassesUSA is just like doing so at your eye doctor, you're just doing it all virtually.

4. Eyepiece - Wikipedia

   en.wikipedia.org/wiki/Eyepiece

   Lens layouts of earlier Nagler eyepieces Nagler "type 2" (1988) eyepiece lens layout. Invented by Albert Nagler and patented in 1979, the Nagler eyepiece is a design optimized for astronomical telescopes to give an ultra-wide field of view (82°) that has good correction for astigmatism and other aberrations. Introduced in 2007, the Ethos is an ...

5. Binoviewer - Wikipedia

   en.wikipedia.org/wiki/Binoviewer

   Binoviewer. A binoviewer is an optical device designed to enable binocular viewing through a single objective.. A binoviewer for an astronomical telescope. 1 - Eyepiece 2 - Compensation slide

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7. Everything at Old Navy is still 50% off for extended Cyber ...

   www.aol.com/lifestyle/everything-at-old-navy-is...

   We've been covering Old Navy's half-off sale for the past week, and the deal our readers are checking out the most is the Relaxed Car Coat, down from $79.99 to just $39.99 today. It's available in ...