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Binocular Compound Lab Microscope. This compound lab microscope is fairly compact and ideal for advanced high school and college students. It features eight magnification settings up to 2,000 ...
GeoSafari Jr. Talking Microscope. The voice of Bindi Irwin leads kids through their science expeditions with this talking microscope. The slides offer 60 different full-color images, and kids can ...
Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most binoculars are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal-mounted military ...
A microscope might force the person to use only one eye, it presents the person with a limited field of view, it presents a magnified view, and it allows the person to adjust the focus of the instrument for any viewing distance. Ideally, the person will choose a focus adjustment on the instrument that allows the eyes to have relaxed ...
The company of Carl Zeiss exploited this discovery and becomes the dominant microscope manufacturer of its era. 1928: Edward Hutchinson Synge publishes theory underlying the near-field scanning optical microscope; 1931: Max Knoll and Ernst Ruska start to build the first electron microscope. It is a transmission electron microscope (TEM).
These viewing systems include binocular microscopes, night vision devices or goggles (NVGs), and head-mounted displays (HMDs). IPD data are used in the design of such systems to specify the range of lateral adjustment of the exit optics or eyepieces.
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