Filter Chroma Luminance 2", mounted (SKU: CT-27040-2M)

Chroma Luminance 2" filter, mounted (Chroma, SKU: CT-27040-2M) is a luminance filter for LRGB astrophotography with a monochrome camera. It records a broad band of visible light, providing brightness and detail data that can be combined with images taken through Red, Green and Blue filters.

Key features

• capture of the L luminance channel
• broad visible-light passband with suppressed UV and IR transmission
• part of the Chroma LRGB imaging system
• durable hard-sputtered coatings on a single glass substrate

Included items

• filter Chroma Luminance 2", mounted

Technical specifications

• manufacturer: Chroma Technology
• filter type: L luminance
• center wavelength (CWL): 550 nm
• mount standard: 2"
• external and internal mount threads: M48 × 0.75
• mount outer diameter: 50.7 mm
• minimum clear aperture: 43 mm
• nominal overall mount height: 7 mm
• glass substrate thickness: 3 mm
• coatings: hard-sputtered, antireflection
• recommended optical focal ratios: f/4 and slower

The filter enables you to collect object detail for subsequent combination with the RGB color channels.