HM-4
The Microtec HM-4 Zoom stereo microscope has a zoom ratio range of 6.4-1 with detent (click stops). Giving a possible magnification range of 3.5x-270x. It also has an integrated phototube. A selection of stands of either transmitted or reflected light as well as standalone light sources are available as are supplementary front lenses and eyepieces.
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