Product Name: Evoguide-50ED 50mm Guidescope, Telescope Model NO.: EVOGUIDE-50ED 50MM GUIDESCOPE Aperture: 50mm Focusing Type: External Focus Objective Aperture: 50mm Lens: Glass Lens Type: Aspheric Surface Structure: Refractor Telescope Usage: Astronomical Function: Outdoor Use Magnification: 12.1X-24.2X Type: Astronomical Telescope Trademark: Sky-Watcher Transport Package: Carton Specification: D50/F242 Origin: China Product Description Sky-Watcher's EVOGUIDE-50ED is the ultimate new high quality 50 mm doublet ED Guidescope, utilising Ohara S-FPL53 glass for the ED element. With a focal length of 242 mm it has a very fast focal ratio of f/4.8. The telescope is equipped with a fine and precise helical focuser.For connecting your autoguider, cameras or eyepieces it has a T2 thread and 1.25" socket. For exact adjustment to the main telescope, collimation rings are provided, each with 3 nylon-tipped screws. The guidescope bracket comes with a Sky-Watcher / Vixen style mini dovetail for standard finder shoes. The EVOGUIDE-50ED is a small, very high quality telescope which is perfect as a Guidescope, providing pinpoint sharp stars for easy and precise guiding.It can also be used as a finderscope, small lens for your camera or just as a small richfield telescope for travelling!Specification:Highest practical power:x100 (Eyepieces not supplied)Objective lens diameter:50 mmTelescope focal length:242 mm (f/4.8)Focuser:fine helical (1.25")Camera / Eyepiece connection:T2 thread / 1.25" socketOptic:Doublet ED lens with 2 Ohara glass lenses (1 lens S-FPL53)Collimation rings & BracketWe are looking for interested partners in South Africa and the Middle East to act as our agents