Fresnel Lenses have the ability to duplicate the optical effect of a very thick lens. Image quality is reduced when using this lens, however, the benefits of the lens is found in its ability to enlarge the visual image of the object being displayed. The many applications of the Fresnel Lens makes it a valuable tool in various industries and technologies. Originally, used in lighthouses, they are now an important part of the automotive, medical, electrical, aeronautical, entertainment, photography, and medical fields.
Lens sections include one large 3" x 9 1/2" and 25 1 3/8" x 1 3/8" lenses.
Ever wonder how to survive in the wilderness? These cards can help!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Great tarantula specimen for the science classroom!
Build your very own smart robot!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
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