Tele Vue Eyeguard Extender - EGE-0020 Admin - Archive When Sold Through This means you can use

This means you can use your Celestron Echelon Binoculars in damp conditions without having to pack up and call it a day when unexpected weather makes an appearance

Relative Brightness 21

Shutter Speeds: 1/10000 to 30 seconds

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

Eye Relief: 11mm

Tele Vue Eyeguard Extender - EGE-0020 Admin - Archive When Sold Through This means you can useAbout the TeleVue Eyeguard Extender Many TeleVue eyepieces, such as Radians, Nagler type 4, 55 Plossl and 41 Panoptic have adjustable height eyeguards to permit comfortable viewing with or without eyeglasses. Other eyepieces such as the TeleVue 35 Panoptic, 27 Panoptic, 40 Plossl, 32 Plossl have long eye relief that is comfortable for eyeglass wearers, but the eye relief may be uncomfortably long for some users without eyeglasses. Enter the TeleVue