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2026-05-25 - Crestline 500C Slide Projector

 

The Crestline 500C is an American-made 35mm slide projector manufactured in the 1960s by Sawyer's Inc.. This tabletop model is designed for viewing standard 2x2 inch slides and is known for its classic, sturdy construction. 

Key Features:

  • Illumination: Uses a 500-watt high-intensity incandescent lamp for bright projection.
  • Lens: Typically equipped with a multi-element coated anastigmat f/3.5 lens with a 4-inch or 5-inch focal length.
  • Film Format: Compatible with 35mm slides (2x2 inch mounts) and often supports stack loaders, magazine trays, and circular rototrays.
  • Cooling Mechanism: Features an internal motor-driven fan forced-air cooling system to prevent slide damage from heat.
  • Focusing: Includes a manual adjustable focus ring on the front lens. 


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