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2. Coddington magnifier - Wikipedia

   en.wikipedia.org/wiki/Coddington_magnifier

   A Coddington magnifier is a magnifying glass consisting of a single very thick lens with a central deep groove diaphragm at the equator, thus limiting the rays to those close to the axis, which minimizes spherical aberration. This allows for greater magnification than a conventional magnifying glass, typically 10× up to 20×. Most single lens ...

3. Magnification - Wikipedia

   en.wikipedia.org/wiki/Magnification

   The maximum angular magnification (compared to the naked eye) of a magnifying glass depends on how the glass and the object are held, relative to the eye. If the lens is held at a distance from the object such that its front focal point is on the object being viewed, the relaxed eye (focused to infinity) can view the image with angular ...

4. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   Magnifying glass on an arm lamp. The magnification of a magnifying glass depends upon where it is placed between the user's eye and the object being viewed, and the total distance between them. The magnifying power is equivalent to angular magnification (this should not be confused with optical power, which is a different

5. Magnifier - Wikipedia

   en.wikipedia.org/wiki/Magnifier

   Magnifying glass, an optical device for magnification; Screen magnifier, software that magnifies part of a computer screen Magnifier (Windows), a screen magnifier for Microsoft Windows; Magnifier (iOS), a magnifying glass app for iOS; Magnifier, a magnifying glass app for Android; Magnifying transmitter, alternate version of a Tesla Coil

6. 25 of the best Walmart sales of the week: Apple gadgets ... - AOL

   www.aol.com/lifestyle/the-best-walmart-sales-of...

   More than 10,000 reviews on Walmart are obsessed with this stain-fighting tool. "After months of my kids trashing my car and spilling smoothies, milk, lemonade, etc., the backseats in my car ...

7. The 4 Worst Drinks If You’re Trying to Lose Visceral Fat ...

   www.aol.com/4-worst-drinks-youre-trying...

   Did you know that a 12-ounce can of soda contains the same amount of added ... copious flavor options that make for tasty sugar-free soda substitutes. ... large caramel Java chip blizzard at Dairy ...

8. Objective (optics) - Wikipedia

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

   One of the most important properties of microscope objectives is their magnification.The magnification typically ranges from 4× to 100×. It is combined with the magnification of the eyepiece to determine the overall magnification of the microscope; a 4× objective with a 10× eyepiece produces an image that is 40 times the size of the object.

9. The problem with pulse oximeters your doctor probably doesn’t ...

   www.aol.com/problem-pulse-oximeters-doctor...

   The doctors and nurses didn’t believe Tomisa Starr was having trouble breathing. Two years ago, Starr, 61, of Sacramento, California, was in the hospital for a spike in her blood pressure.