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  2. Stanhope lens - Wikipedia

    en.wikipedia.org/wiki/Stanhope_lens

    René Dagron modified the lens by keeping one curved end to refract light while sectioning the other end flat and locating it at the focal plane of the curved side. [3] Dagron used the modified Stanhope lens in mounting his microscopic pictures in photographic jewels known as Stanhopes. A rival lens is the Coddington magnifier. This was ...

  3. 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 quantity).

  4. Magnification - Wikipedia

    en.wikipedia.org/wiki/Magnification

    The postage stamp appears larger with the use of a magnifying glass. Stepwise magnification by 6% per frame into a 39-megapixel image. In the final frame, at about 170x, an image of a bystander is seen reflected in the man's cornea. Magnification is the process of enlarging the apparent size, not physical size, of something.

  5. Micrographia - Wikipedia

    en.wikipedia.org/wiki/Micrographia

    Micrographia: or Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses. With Observations and Inquiries Thereupon is a historically significant book by Robert Hooke about his observations through various lenses. It was the first book to include illustrations of insects and plants as seen through microscopes.

  6. Dome magnifier - Wikipedia

    en.wikipedia.org/wiki/Dome_magnifier

    A dome magnifier is a dome-shaped magnifying device made of glass or acrylic plastic, used to enlarge words on a page or computer screen. They are plano-convex lenses : the flat (planar) surface is placed on the object to be magnified, and the convex (dome) surface provides the enlargement.

  7. Hobbycraft - Wikipedia

    en.wikipedia.org/wiki/Hobbycraft

    Hobbycraft’s chief executive, Dominic Jordan, says that while the company is in a strong position heading into the 2023 financial year, the months ahead remain challenging. Dominic went on to add that the current cost of living crisis is causing problems, and that the company also faced challenges with shipping costs.

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