The Alstar LRGB Filter Set comprises four filters: 1.25 inch luminance Filter; 1.25 inch Red Filter; 1.25 inch Green Filter; and 1.25 inch Blue Filter; this LRGB filter set enables you to combine high-resolution color images with a monochrome CCD camera
The luminance filter transmits the entire visible light spectrum while blocking near some invisible light; these three RGB filters signify the three primary colors of red, green and blue; which are able to create a color photo
Precision CNC-machined metal filter cell featuring a sand-blasted; black anodized finish; anti-reflection treatment; and laser engraving; it can be smoothly connected to other accessories through aluminum oxide threads
Wider 58 Degree Field of View: The Alstar 1.25 Inch 58-Degree 8 mm wide angle telescope eyepieceis is designed for astronomy enthusiasts; Offering a focal length range of 2.5 mm to 25 mm and a 58-degree wide field of view to capture more celestial details
Standard 1.25 Inch Barrel and Thread: Designed primarily for planetary observation such as Moon Jupiter Mars and Saturn and more but great for deep sky objects too; Comfortable eye relief averaging 16 mm across the series; Threaded for standard 1.25 inch astronomy filters