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2. Video magnifier - Wikipedia

   en.wikipedia.org/wiki/Video_magnifier

   Video magnifier. Video magnifiers are electronic devices that use a camera and a display screen to perform digital magnification of printed materials. The display screen is usually LCD or a similar flat-screen technology (although older video magnifiers have used CRT displays), and the device usually includes a lamp to illuminate the source ...

3. Magnification - Wikipedia

   en.wikipedia.org/wiki/Magnification

   Magnification is the process of enlarging the apparent size, not physical size, of something. This enlargement is quantified by a size ratio called optical magnification. When this number is less than one, it refers to a reduction in size, sometimes called de-magnification .

4. Loupe - Wikipedia

   en.wikipedia.org/wiki/Loupe

   Loupe. A photographic loupe for examining film and prints. A loupe ( / ˈluːp / LOOP) is a simple, small magnification device used to see small details more closely. [ 1] They generally have higher magnification than a magnifying glass, and are designed to be held or worn close to the eye. A loupe does not have an attached handle, and its ...

5. 'Makes a HUGE difference': If you struggle to see small print ...

   www.aol.com/lifestyle/magnipros-book-magnifier...

   There are a lot of random little gadgets out there that can be used to light up a book, but the MagniPros is a bit different. It directs all the light to a single area and utilizes anti-glare ...

6. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   A magnifying glass is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle. Beyond its primary function of magnification, this simple yet ingenious tool serves a variety of purposes. It can be employed to focus sunlight, harnessing the Sun's rays to create a concentrated hot ...

7. Reflector sight - Wikipedia

   en.wikipedia.org/wiki/Reflector_sight

   A view through the Mark III Free Gun Reflector Sight, first produced in 1943, used on British army guns, naval guns, and as a pilot sight and a defensive gun sight on aircraft. The reticle image in this sight is produced by an optical collimator bounced off a beam splitter. The dot remains on the target even though the viewer's head is moved ...

8. Pinhole glasses - Wikipedia

   en.wikipedia.org/wiki/Pinhole_glasses

   Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera, each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...

9. Red dot sight - Wikipedia

   en.wikipedia.org/wiki/Red_dot_sight

   A red dot sight is a common classification [1] for a non-magnifying reflector (or reflex) sight that provides an illuminated red dot to the user as a point of aim. A standard design uses a red light-emitting diode (LED) at the focus of collimating optics , which generates a dot-style illuminated reticle that stays in alignment with the firearm ...