Lumicon

The legendary Lumicon 1.25″ OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae.

The 1.25″ Deep Sky is Lumicon’s most popular nebula filter. It blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum.

The Lumicon H-Alpha Night Sky 1.25-inch Filter is a specialized optical filter designed for enhancing observations and astrophotography under dark skies.

A magnificent UHC Nebula Filter, built to give you the ultimate viewing experience.

A magnificent pre-owned filter, built for a glorious gazer such as YOU.

This filter is highly regarded for its ability to enhance contrast and visibility of nebulae and other deep-sky objects from light-polluted urban areas, making it an essential tool for astronomers seeking clearer views of celestial phenomena.

The Vintage Lumicon 1.25" Deep Sky Telescope Filter is designed to optimize the viewing experience of deep-sky objects by enhancing contrast, reducing light pollution effects.

Lens filter held in excellent condition.

Tone down the glare from the full Moon and allow more planetary detail than ever!