"solar+filter"

Primary colors filter set.

Set of 5 acrylic filters.

Filter Support Collar is a sturdy, molded rubber filter disc.

A must have for novice or advanced Astronomy enthusiasts alike!

Whatman chromatography papers are widely used across the world, reflecting their purity, high quality and consistency. They are made from specially selected cotton cellulose and rigorously quality controlled to ensure uniformity within the grade.

Spare color filter set to be used with Light Box and Optical Set.

Colored filters can be used to bring out details on a planet’s surface or its cloud structure. All the planetary filters included in the Celestron Lunar and Planetary Filter Set can be used on any 1.25” eyepiece with the proper filter threads, so they are very versatile. Just screw one onto the eyepiece of choice and slide it into the focuser.

Economical and effective.

A rugged borosilicate funnel with stem length approximately equal to funnel diameter. These funnels have a 58° angle. Top dia.: 65mm. Filter size: 11cm. Package of 12.

A Comprehensive Tour of the Solar System

Our high-quality funnels meet ASTM standards.

Set of color filters to be used with ray box

Quality, heavy-walled borosilicate funnels with reinforced edge.

A simple and effective filter.

How does a sand filter trap particulate matter?

Mix hands on and digital!