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| varifocal lens; variable-focus lens; vari-focus lens (by means of internal movement of the lens components with respect to each other these lenses can be changed in effective focal length and thus vary the linear magnification); variable-power zoom lens (providing a continuous range of magnification); variable-power objective of the zoom type; zoom objective (whose power changes smoothly and without interruption); zooming objective (whose power changes smoothly and without interruption) | |||
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| Vario-Objektiv (Andrey Truhachev) | |||
| Varioobjektiv: 1 phrase in 1 subject |
| Optics branch of physics | 1 |