Kaleidoscope Lens, 5 Inch to 6 3/4 Inch focal length. This is an Acrylic Lens Made in USA. Great Magnifying LensFor kaleidoscopes for clarity and crispness of kaleidoscope images. Works well for all eyes but especially Helps Us at the bifocal stage of our lives. This Lens works best with a mirror system any where from 5 inches long to 6 7/8 Inches long.
This lens is a little smaller than a dime.
• .630 Inches in Diameter
•The lens is 15.8 mm in diameter ( a Bit smaller than a USA Dime.
•Thickness of lens 1.4 mm near the edge
•Thickness of lens 1.7 mm thick near the center
• x7.2 Plano Convex Lens
• Made in USA
• Part Number 90-1205
• Price is each
• Qty Discounts are available