Rain bands for binoculars up to 50 mm, per pair | Astrozap

When you use binoculars on a tripod to survey the starry sky, you often stand in the same spot for a long time. That’s when the lenses slowly start to fog up on humid evenings. With this Astrozap set, you apply a mist band to each tube of your binoculars so that both lenses remain free of fog.

The tires are intended for binoculars with lenses up to 50 mm, such as a 20×50 viewfinder for the moon and stars. You place them just behind the lens. See astronomy binoculars Pay attention to the focal length, because there are also viewers with larger lenses among them.

Because there are two bands involved, a two-channel controller Convenient: this way you can adjust each band separately. When applying it, make sure the bands do not interfere with the focus and eye lenses, and start low with the heat.