Zoom Projection and Focal Adapter: The simple way to astrophotography begins with this projection adapter; use your standard Ploessl or Kellner 1.25-inch eyepieces for beautiful photos of the Moon and planets
Designed for Reflector telescope; fit for standard 1.25 inch diameter; Red laser collimation beam with 7 brightness levels;, wavelength 635-655 nm; Output power: less than 5mw, much safer for your eyes. This sturdy laser unit allows you to swiftly and precisely collimate your Newtonian telescope. Only when the optics have been accurately collimated can the telescope offer you its full performance
Built with metal material; CR2032 Lithium Cell battery (Not include) ; Accurate collimation in a few minutes provide a more clearer image; The telescope can be collimated by just one person
ED Element High-contrast Optics: The first time you observe an object through one of these eyepieces; you will almost certainly be struck by the brilliance clarity and depth of colour in the image
Long Eye Relief Comfortable Observing: The very generous 20 mm of eye relief means your observing is always completely comfortable for all the focal lengths available in this eyepiece series