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The National Optical & Scientific Instruments 160-ASC Monocular Compound Oil Immersion Microscope is a cost-effective yet feature filled microscope designed for student use. With ASC objectives at its center, the 160-ASC provides 40x, 100x, 400x, and 1000x magnification. A 4-hole objective turret, ball-bearing mounted, ensures smooth, precise changes between objective lenses. Viewing is further facilitated by the widefield 10x eyepiece with pointer that sits at a 45° incline, on a 360° rotatable viewing head.
Illumination is provided by a 12V, 20 watt halogen bulb. This light source features a variable rheostat control, an illuminated on/off switch, and a 0.5A time delay fuse. When it comes to focusing, the 160-ASC provides students with coaxial coarse and fine focusing controls, set low on the instrument. Safety measures include the tension adjustment to eliminate stage drift and a safety rack stop to prevent damage to slides and objective lenses. The microscope is further protected by the limited lifetime warranty.