SVBONY Telescope Filter 1.25 inches LRGB Imaging Filter Set Suitable for Deep...

Description

SVBONY Telescope Filter 1.25 inches LRGB Imaging Filter Set Suitable for Deep Sky and Planetary CCD Imaging
Suitable for deep sky and planetary CCD imaging, work well with debayered monochrome CCD cameras
RGB-imaging allows equal weighting factors for each channel, very important for automated imaging
The ideal raw material for image processing in the RGB color space is available with LRGB filter set and mono CCD camera
1.25" astronomy filter with standard M28.5x0.6 male filter thread ;no female thread, so it cannot be stacked with other filters
Ultra-thin filter cell to minimize vignetting; clear optical aperture of 26mm
Features: The SVBONY LRGB filter set is designed for maximum contrast and with  extremely high gradients for clear differentiation of colors.The LRGB filter set divides the spectrum into its components red, green, blue and luminance OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation Precision CNC-machined metal filter cell with sand blasted black anodized finish, anti-reflection treatment, and laser engraving Note: The filters are not designed for sun observation. DO NOT LOOK AT THE SUN WITH FILTER Spectral Curve Transmission Characteristics: High and precise blocking of offband, 95% transmission at passband Blocks out infrared wavelengths (700-1100nm) so a separate IR cut-off filter is not required for imaging applications Both surfaces are fine optically polished, accurate to 1/4 wavelength or better, and parallel to within 30 seconds or arc 2mm thick optical glass substrate material Very high surface quality of 60/40 or better ;US Military Spec MIL-O-13830 Optical Coating Specifications: Multi-layer anti-reflection coated Non-cementing optical substrate coating Electron-beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL (central wavelength) so that there is no deviation due to temperature changes during use Precise and homogeneous coatings ensure high values of desired passband and blocking of unwanted offband Package Includes: 1 x SVBONY 1.25" LRGB Astrophotography Filter Set 1 x Silver Cardboard Box
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