LensPen®

The retractable brush cap is a lifesaver—it stays protected in my bag until I need it, and the tip glides over my eyepieces without leaving any residue. Tiny smudges that used to ruin my shots are gone in one pass.

I've been using this on my camera lenses and binoculars for a few weeks now and the carbon compound tip really picks up smudges without any streaks. The retractable brush on the other end is a nice touch for dusting off the lens first.

Finally, a lens cleaning tool that actually works without smudging everything worse. The retractable brush tip keeps dust off between uses, which is a lifesaver for my binoculars when I'm out hiking.