Filters, Windows & Reticles

For the budding diffraction detective in your life, this Spectroburst™ Viewer is a diffraction-viewing lens and light kit from Spectroclick, which, if you ask us, is a pretty good name for a company that makes Spectroburst™ Viewers. Comes...

Don't Be Blinded by Science Introducing the brand new Solar Snap- The Eclipse App There has never been an easy way to take pictures of an eclipse with your phone. Until now! The Solar Snap Eclipse App is an American Paper Optics exclusive that was...

Get Eclipsed: The Complete Guide to the 2 North American Eclipses *Each book also comes packaged with 2 safe solar eclipse glasses! American Paper Optics once again teamed up with noted NASA astrophysicist, Fred Espenak and his eclipse chasing wife Pat...

GROUND GLASS One wiseacre assumed we meant any package leaving our shipping room that once had a glass object in it. That is a malicious rumor. . . Ground glass is thin plate glass, the surface of which has been physically ground...

OPTICAL GLASS FILTERS Al Luebbers, our founder, collected glass. Not glass like you'd find on a knick-knack shelf, but optical glass. Lenses, prisms, reticles and filters, for example. Focus on the filters. Many of his filters...

Let’s say you’re the teacher’s pet, newly appointed to AV duty, and you want to provide maximum light transmission over the visible spectrum while minimizing infrared rays and heat transmission in the class slide projector (yup,...