enow.com Web Search

  1. Ads

    related to: high power magnifying glass 30x that is 5 inches small or smaller

Search results

  1. Results from the WOW.Com Content Network
  2. Magnification - Wikipedia

    en.wikipedia.org/wiki/Magnification

    A magnifying glass, which uses a positive (convex) lens to make things look bigger by allowing the user to hold them closer to their eye. A telescope, which uses its large objective lens or primary mirror to create an image of a distant object and then allows the user to examine the image closely with a smaller eyepiece lens, thus making the ...

  3. High-power field - Wikipedia

    en.wikipedia.org/wiki/High-power_field

    The area provides a reference unit, for example in reference ranges for urine tests. [3]Used for grading of soft tissue tumors: Grading, usually on a scale of I to III, is based on the degree of differentiation, the average number of mitoses per high-power field, cellularity, pleomorphism, and an estimate of the extent of necrosis (presumably a reflection of rate of growth).

  4. Magnifying glass - Wikipedia

    en.wikipedia.org/wiki/Magnifying_glass

    The eye can then be a larger distance away, and a good image can be obtained very easily; the focus is not very sensitive to the eye's exact position. The magnifying power in this case is roughly MP = (0.25 m)Φ. A typical magnifying glass might have a focal length of 25 cm, corresponding to an optical power of 4 dioptres. Such a magnifier ...

  5. 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 ...

  6. Loupe - Wikipedia

    en.wikipedia.org/wiki/Loupe

    A photographic loupe for examining film and prints. A loupe (/ ˈ l uː p / 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.

  7. Category:Screen magnifiers - Wikipedia

    en.wikipedia.org/wiki/Category:Screen_magnifiers

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  1. Ads

    related to: high power magnifying glass 30x that is 5 inches small or smaller