Zoom Converter Bell & Howell FILMOVARIA Made in U.S.A (LS-0475) (used)
Type: Zoom converter for projection lenses
Brand: Bell & Howell
Model: Filmovaria (Made in U.S.A.)
Function: Increases or decreases effective focal length
Mount: 52.3 mm threaded connection
Weight: 190 grams
Application: 16mm film and slide projectors
Compatibility: Lenses with 52 mm thread mount
Construction: Metal housing
Optics: Multi-element converter design
Use: Variable image size without changing lenses
Focus: Uses focusing of the primary lens
Image quality: Depends on the main lens used
Origin: Made in U.S.A.
Note: Rare Bell & Howell zoom converter













