Celestron SkyMaster 25 x 100 Binoculars - Porro - 71017 spo-notify-me-disabled The sharper telescope eyepiece field

The sharper telescope eyepiece field focuses faint star light into perceptible points and allows those with undriven telescope mounts to gaze longer before repositioning the image

Celestron Echelon 20x70 Binocular - Porro Features

objective lens caps

high index doublets

I must admit a little discomfort when talking about "Nagler" eyepieces

Celestron SkyMaster 25 x 100 Binoculars - Porro - 71017 spo-notify-me-disabled The sharper telescope eyepiece fieldAbout the Celestron SkyMaster 25 x 100 Binoculars Celestron Binoculars SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use especially over long distances. The Celestron SkyMaster 25 x 100 Binoculars features high quality BAK 4 prisms and multi coated optics for enhanced contrast. Celestron Binoculars has designed and engineered the larger