2 Inch Telescope Duo-Band Filter Combo Set

This duo-band combo set gives astrophotographers greater creative flexibility by covering multiple emission lines in one package. It’s ideal for colour camera users who want richer data without switching to mono systems.

Key Features

• Includes complementary duo-band filters for broader nebula capture

• Enhances contrast while suppressing light pollution

• Brings out fine nebula detail and star structure

• High transmittance for strong signal capture

• Designed for deep-sky imaging with colour cameras

• Durable optical construction for consistent performance

• Compatible with standard 2-inch telescope setups

Specifications

• Filter size: 2 inch

• Duo-band combinations: Ha, OIII, and SII coverage

• Peak transmittance: Over 90%

• Optical thickness: Approx. 2mm

• Barrier range: 200–1000nm

• Surface finish: 60/40

• Chemical safety: No high-concern chemicals

Package Contents

• 2 x 2 Inch Duo-Band Astronomy Filters

• Protective Storage Cases

What Makes This a Smart Buy:
This combo set delivers versatility and value, letting you capture a wider range of nebula detail with fewer