A free 140-page catalog is available from
Rolyn Optics, one of
the world’s largest suppliers of off-the-shelf optics. Delivered in 24 hours
are stock lenses, filters, prisms, mirrors, beamsplitters, reticles, objectives
and eyepieces. Rolyn’s all-aluminum universal lens mounts hold stock lenses
simply by threading a retaining ring inside the lens mount, inserting the lens
and securing it with a spanner wrench. Custom products and coatings are available
in prototype or production quantities.
To contact the manufacturer of this product,
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