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The majority of new sheet film holders are now made out of plastic. When using a sheet film holder, the device is inserted into the camera, often a view camera, and the dark slide is withdrawn, making the film available for exposure. After the exposure has been made, the dark slide is reinserted into the film holder, and the device is removed ...
Sheet film is large format and medium format photographic film supplied on individual sheets of acetate or polyester film base rather than rolls. Sheet film was initially supplied as an alternative to glass plates. The most popular size measures 100 mm × 130 mm (4 in × 5 in); smaller and larger sizes including the gigantic 510 mm × 610 mm ...
A sheet magnifier consists of many very narrow concentric ring-shaped lenses, such that the combination acts as a single lens but is much thinner. This arrangement is known as a Fresnel lens . The magnifying glass is an icon of detective fiction , particularly that of Sherlock Holmes .
The 'Transport Map' layer, when sufficiently zoomed-in, shows routes and route numbers in red. Go to OpenStreetMap and zoom into the general area where the route runs. Switch to the "Transport Map" layer using the 'Layers' sidebar on the right. Now you should see all the transit routes highlighted on the map, with numbers indicating the route ...
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A magnifier is a device used for magnification. Magnifier can also refer to: 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 ...
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A microfiche holder with microfiches. A microfiche is a sheet of flat film, 105 × 148 mm in size, the same dimensions specified for the A6 paper size format by the ISO 216 international standard. It carries a matrix of microimages. All microfiches are read with their text parallel to the long side of the fiche.