1.25 Inch Telescope Colored Planetary Filter Set - Excellent

Description

An assortment of standard 1.25-inch astronomical colored planetary filters designed to thread directly into telescope eyepieces or camera adapters. Each filter is engineered to enhance contrast and highlight fine surface details on planets such as Jupiter, Saturn, Mars, and the lunar surface by selectively isolating specific light wavelengths.

Note: Photographs showing the filters being held are provided for reference only to demonstrate glass tints and transparency.

Condition

Overall Condition: Excellent

Cosmetically in near mint pre-owned condition with clean threaded metal cell housings, crisp engraved numbering, and pristine optical glass filter elements.

Included

• Filter No. 25 (Red)
• Filter No. 80A (Medium Blue)
• Filter No. 58A (Deep Green)
• Filter No. 15 (Deep Yellow / Amber)
• Protective Round Storage Container Case

Key Features

• Essential planetary contrast filters targeting specific atmospheric and surface features in the solar system
• Standard 1.25-inch filter threading compatible with most astronomical eyepieces and accessories
• Precision-machined metal filter cells ensuring secure mounting and durability
• High-quality optical glass delivering clear views without distortion

Collector's Notes

A set of colored planetary filters is an invaluable addition for any backyard astronomer, dramatically improving the visibility of cloud belts, polar ice caps, and storm systems on neighboring planets.

Keywords

Telescope Planetary Filters, 1.25 inch Astronomy Filters, No 25 Red Filter, No 80A Blue Filter, No 58A Green Filter, No 15 Yellow Filter