These solar binoculars offer 20x magnification for observing sunspots and solar eclipses. Read our in-depth review.

Choose binoculars with larger objective lenses ... Decide between Roof and Porro Prism designs. The prism determines how the ...

Although Nikon isn't known for its monoculars, we found the 5x15 ... The focus ring is at the ocular end, as is the case with some Porro prism designs, where the focusing system lies inside.