Astronomik Deep-Sky R 2" (M48) (SKU: 10234200 / 8h00pe)

Astronomik Deep-Sky R 2", M48 (Astronomik, SKU: 10234200) is a single filter for recording the red channel in RGB astrophotography with a monochrome camera. It belongs to the Deep-Sky RGB series, whose passbands were designed for modern CMOS and CCD sensors and deep-sky imaging.

Key features

• records the R channel as part of an RGB image
• integrated ultraviolet and infrared blocking
• coatings using Astronomik MFR technology that reduce unwanted reflections
• matched to the other filters in the Deep-Sky RGB series
• threaded cell for compatible 2" accessories with an M48 thread
• durable coatings resistant to scratches and moisture

Included items

• filter, Astronomik Deep-Sky R 2", M48
• protective filter box

Technical specifications

• manufacturer: Astronomik
• manufacturer SKU: 10234200
• type: single colour filter for RGB astrophotography
• series: Deep-Sky RGB
• channel: R
• typical maximum transmission: 95% or higher
• ultraviolet and infrared blocking: integrated
• coatings: Astronomik MFR
• cell: threaded 2"
• thread: M48 × 0.75
• cell height excluding male thread: 4.5 mm
• male thread length: 2.6 mm
• glass thickness: 1 mm
• parfocality: with standard Astronomik filters using 1 mm glass
• country of manufacture: Germany

The filter adds red-channel data to the imaging workflow for combination into an RGB image.