62° Series 20mm Waterproof Eyepiece Focal Ratio_4. f/10 - f/15 and the floating yellow neck

and the floating yellow neck strap ensures your binoculars stay safe and visible near water

and smartphone adapter—make it easy to start observing and imaging right away

Lens Coatings Fully Multi-Coated

Narrowband Image by Josh Balsam

while the 2

62° Series 20mm Waterproof Eyepiece Focal Ratio_4. f/10 - f/15 and the floating yellow neckExplore Scientific Waterproof Eyepieces Comfort, Quality, Value. The Explore Scientific 62 Series eyepieces are excellent flat field multi element oculars that can transform your visual astronomy experience. With an apparent field of view of 62 degrees and near parfocal design, these eyepieces offer incredible value in a very nice eyepiece. Another great benefit of these eyepieces is the excellent contrast and ease with which you can gaze, not