Chroma LRGB 2" filter set, mounted (Chroma, SKU: CT-27101-2M) is a set of four filters for color astrophotography with a monochrome camera. The Luminance filter records luminance and image detail, while the Red, Green and Blue filters provide the three color channels for assembling an LRGB image.
• four channels for LRGB imaging
• separate capture of luminance and color components
• equal substrate thickness across all filters: 3 mm
• filter Luminance (27040), 2", mounted
• filter Red (27041), 2", mounted
• filter Green (27042), 2", mounted
• filter Blue (27043), 2", mounted
• manufacturer: Chroma Technology
• set type: broadband LRGB
• number of filters: 4
• channels: Luminance, Red, Green, Blue
• 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 of each filter: 3 mm
• coatings: hard-sputtered, antireflection
• recommended optical focal ratios: f/4 and slower
The set enables you to collect the complete luminance and color data needed to process an LRGB image.