Danubia K17 Kellner 17mm 1.25" Astro Telescope Eyepiece Table Top Tripod The lens drives a smooth

The lens drives a smooth

All I series lenses have an all-metal construction

which the binoculars slip into so they don't move around inside the case and top flap has an internal mesh pocket for any small accessories like a lenspen or cloth

autofocus is fast

The mount features a special sealing for a dust and splash resistant structure to make the lens an excellent choice in a wide variety of conditions

Danubia K17 Kellner 17mm 1.25" Astro Telescope Eyepiece Table Top Tripod The lens drives a smoothDanubia 1. 25" K17 Kellner is a 17mm eyepiece for Astro Telescopes which is fully coated and offers a wide angle field of view, so is really useful for locating smaller objects in the night sky. Easy to fit to a telescope with a 1. 25" diameter eyepiece aperture, the Kellner style of eyepiece, is an achromatic one and has a three lens design. It gives excellent eye relief and is a terrific aid to extended night time viewing.