“Sputnik” Slide Projector

Description

The “Sputnik” slide projector is an optical-mechanical device designed for projecting filmstrips and photographic slides. The projector has a blue-coloured housing with a standard socket on its lower wall for attachment to a photographic tripod. Its original accessories included a movable frame for 50 × 50 mm slides, an 18 × 24 mm clamping frame for filmstrips, and a 24 × 36 mm clamping frame for 35 mm film rolls. The light source was a K 220-100 projection lamp rated at 100 W, with a luminous flux of 100 lm.