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- 6V/20W halogen bulb insures bright, crisp images for all contrast techniques.
- Focusable condenser system
- Built-in centerable field iris diaphragm
- Built-in aperture iris diaphragm
- 180° rotatable Analyzer with a scale graduated to 9°
- Retractable Nakamura Plate for quantitive measurements of rotatory properties of minerals
- A slider with three annulus rings for contrast enhancement
- Filter slot accepts one of four included filters (Blue, Yellow, Diffusing, and Neutral Density)
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