Used Manual Projector Marco Double Tube
Used Manual Projector Marco
- Technical Information
- Additional Information
MARCO MANUAL PROJECTOR
Variable focus objective barrel designed to provide accurate testing of visual acuity at any distance from 10 to 20 feet.
May be purchased with wall, table, unit or floor mount – all with yoke. Projector accepts all standard American slides, including single slides incorporating letters, illiterate E’s and child’s figures. Unit contains thermistor for added bulb life. Airflow design provides for cooler operation.
Movement of the slide is operable from either side for selection of the test. There is a selector slide with duochrome test, with full and vertical aperture. A horizontal line selector will project a single line, and the bulb can beeasily replaced. The projection lens systems provide seven lenses in threeelements.
|Dimensions||12.000000 × 12.000000 × 12.000000 in|