K9mm 1.25″ Telescope Eyepiece. Fully Coated. 9mm Focal Length, 1.25″ Fitting Diameter. Includes Protective Case

Description

This listing is for a K9mm (Kellner) eyepiece, suitable for most telescopes that accept standard 1.25-inch eyepieces. A great option for low-power, wide-field viewing, ideal for lunar observation, star fields, and general use.

A telescope’s magnification is determined by dividing the focal length of the telescope by the focal length of eyepiece. For example, a scope with a focal length of 800mm in combination with this K9 eyepiece will have about 800/9=89 times magnification.

Main Features:

• Focal Length: 9mm
• Eyepiece Type: K (Kellner design)
• Metal Barrel Diameter: 1.25” / 31.7mm (standard fit)
• Optics: Fully coated glasses for good image contrast and light transmission
• Construction: Metal barrel with rubber eyecup
• Mount: Threaded barrel (accepts standard 1.25” filters)
• Accessories: Includes original protective plastic case

Note: This eyepiece can fit to NIPON 350×70, 350×80, 600×50 and 800×80 refractor telescopes, as well as most brands of telescopes including Sky-Watcher, Celestron, Meade, Orion, Vixen, and similar 1.25” focusers.