62° Series 5.5mm Waterproof Eyepiece astroimaging and the 25mm is probably

and the 25mm is probably the longest focal length of the mid-power range eyepieces before you get into longer focal lengths

It allows you to take in entire star fields and large deep sky objects in a single view

Turn nighttime into discovery with the National Geographic Virtual Thermal Scope

these binoculars deliver reliable clarity and convenience at an excellent value

62° Series 5.5mm Waterproof Eyepiece astroimaging and the 25mm is probablyExplore 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