Baader Planetarium IR Pass Telescope Filter

This filter blocks visible light below 670 nm, allowing only infrared light to pass through to your camera sensor. By isolating these longer wavelengths, it significantly reduces the effects of atmospheric turbulence, resulting in much steadier and sharper images of planets like Mars, Jupiter, and Saturn.

This filter is designed specifically for digital astrophotography. While you could technically look through it, the human eye is not sensitive to the infrared spectrum it isolates, so you would likely see very little to nothing at all.

Most imagers use this filter to capture a high-resolution, sharp luminance channel. You can then combine this IR-pass data with your standard RGB color frames to create a final image that benefits from both the color accuracy of your RGB data and the superior detail captured in the infrared.

Yes, your camera must be sensitive to infrared light. Most dedicated planetary CMOS cameras are sensitive enough, but if you are using a DSLR or mirrorless camera, ensure its internal IR-cut filter has been removed or modified, otherwise, the camera will block the very light this filter is trying to capture.

The 2-inch mount is a standard size, but you must ensure your filter wheel, camera nosepiece, or diagonal is threaded to accept 2-inch filters. If your equipment is set up for 1.25-inch accessories, this filter will not fit without a specific adapter.