| Wavelength range ([[micrometre]]s) |
Astronomical bands | Telescopes |
|---|---|---|
| 0.65 to 1.0 | R and I bands | All major optical telescopes |
| 1.25 | J band | Most major optical telescopes and most dedicated infrared telescopes |
| 1.65 | H band | Most major optical telescopes and most dedicated infrared telescopes |
| 2.2 | K band | Most major optical telescopes and most dedicated infrared telescopes |
| 3.45 | L band | Most dedicated infrared telescopes and some optical telescopes |
| 4.7 | M band | Most dedicated infrared telescopes and some optical telescopes |
| 10 | N band | Most dedicated infrared telescopes and some optical telescopes |
| 20 | Q band | Some dedicated infrared telescopes and some optical telescopes |
| 450 | submillimeter | Submillimeter telescopes |