Vixen Optics 25x81 BT81S-A Astronomical Binocular with 20mm SLV Eyepieces

The 25x81 BT81S-A Astronomical Binocular from Vixen Optics features interchangeable eyepieces that provide exceptional terrestrial or celestial observing. The twin 480mm f/5.9 achromatic refractors have permanently attached 45° diagonals and accept any 1.25" eyepieces. With a broad 56-101mm interpupillary adjustment range this powerful optic will fit nearly any set of eyes, including many children's.