ZWO Infrared IR Cut-Off Filter (31.7mm, 1.25") M68M to M42F Special Accessories

Special Accessories

The personal radio may not work if the voltage exceeds 5V

7 bores are available: five bores for M6 and 1/4" screws

trusted in both private and institutional observatories

Back-focus distance

ZWO Infrared IR Cut-Off Filter (31.7mm, 1.25") M68M to M42F Special AccessoriesThe ZWO IR Cut Filter is designed to block unwanted infrared and ultraviolet wavelengths, allowing only visible light to reach the camera sensor. This improves image sharpness, colour accuracy and overall image quality when used with colour CMOS and CCD astronomy cameras. Many astronomy cameras are sensitive to infrared light, which can reduce image sharpness because most telescope optics are optimised for the visible spectrum. By removing IR and UV