Astronomik L-RGB Type 2c 50 mm, with protective ring (Astronomik, SKU: 10220350) is a four-filter set for recording luminance and the red, green and blue channels with a monochrome camera. Separate exposures can be combined into a colour image of planets, stars and nebular objects.
• complete L, R, G and B channel coverage
• colour response developed with the sRGB colour space in mind
• ultraviolet and infrared blocking in all filters in the set
• suitable for monochrome CMOS and CCD cameras
• ring protects the glass edge during installation in a filter wheel
• durable coatings resistant to scratches and moisture
• filter L Astronomik Type 2c 50 mm, with protective ring
• filter R Astronomik Type 2c 50 mm, with protective ring
• filter G Astronomik Type 2c 50 mm, with protective ring
• filter B Astronomik Type 2c 50 mm, with protective ring
• manufacturer: Astronomik
• manufacturer SKU: 10220350
• type: LRGB filter set
• series: Type 2c
• number of filters: 4
• channels: luminance L, red R, green G, blue B
• typical transmission: 95–97%
• focal-ratio range: all focal ratios
• shape: round
• nominal size: 50 mm
• construction: protective ring, without a screw thread
• mechanical thickness including ring: 3 mm
• glass thickness: 1 mm
• parfocality: with standard Astronomik filters using 1 mm glass
• country of manufacture: Germany
The set provides all the channels needed to create colour images using the LRGB method.
