ZWO Infrared IR Cut-Off Filter (31.7mm, 1.25") M68M to M42F you must listen to songs

you must listen to songs or radio with headphones

25" or 31mm unmounted)

Back-focus distance

Enjoy the music quietly

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ZWO Infrared IR Cut-Off Filter (31.7mm, 1.25") M68M to M42F you must listen to songsThe 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