1) Dunk in bucket of water.
2) Use a bit of washing liquid if your eyepieces are really dirty.
3) Spray lens with distilled water.
4) Pad outside dry with a towel of your choice of color.
5) Use compressed air to removes excess moisture areound the lens
6) Use that towel with your choice of color to make sure its dry.
Ummm... Well thats how I cleaned mine anyway
