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The 163-PH Trinocular Compound Oil Immersion Microscope from National Optical & Scientific Instruments is designed for use in universities and laboratories. Featuring high-end plan phase objectives, the 163-PH obtains crystal clear 40x, 100x, 400x, and 1000x magnification. Additionally, the trinocular head provides 30° inclined widefield 10x eyepieces and a vertical monocular viewing tube. This tube can be removed to permit optional SLR or video adapters.
Aiding in specimen viewing is the 12V, 20 watt halogen illumination. This halogen light enlists a variable rheostat control, illuminated on/off switch, a 3-wire grounded electrical system, and a 0.5A time delay fuse. Coaxial coarse and fine focusing controls sit low on the microscope. A tension adjustment and safety rack stop both work to prevent damage to the 163-PH from over focusing or stage drift.