Filter Chroma Blue 50 mm, unmounted (SKU: CT-27043-50D)

Chroma Blue 50 mm filter, unmounted (Chroma, SKU: CT-27043-50D) is a broadband filter for recording the blue image channel with a monochrome camera. Combined with the other RGB filters, it allows a color image to be produced, and it can form part of an LRGB set with an additional luminance filter.

Key features

• isolation of the blue spectral region for RGB imaging
• steep passband edges and suppression of light outside the selected range
• use alongside the other channels in the Chroma LRGB system
• durable hard-sputtered coatings on a single glass substrate

Included items

• filter Chroma Blue 50 mm, unmounted

Technical specifications

• manufacturer: Chroma Technology
• filter type: Blue broadband (B)
• center wavelength (CWL): 460 nm
• configuration: unmounted
• shape: round
• glass diameter: 50 mm
• glass substrate thickness: 3 mm
• coatings: hard-sputtered, antireflection
• recommended optical focal ratios: f/4 and slower

The filter adds blue-channel data to a color astrophotography setup.