Lens Assemblies consist of lens elements assembled in plastic or metal lens
barrels. They can be fixed focus Lens Assemblies or Zoom Lenses. Other Lens
Assemblies include Projector Lenses, Copier Lenses, Enlarger lenses, Sound
Track Reader Lenses, Laser Collimating Lenses, Digital Camera Lenses, Telescopic
Lenses, Teleconversion Lenses, and Eyepieces.
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