The Sky-Watcher Evoguide 50ED could be the perfect guidescope, finderscope, or small richfield telescope. All Sky-Watcher products have a 5 year manufacturer warranty (not transferable) . Sky-Watcher's latest EVOGUIDE-50ED package from OVL is the ultimate new high quality 50 mm doublet ED Guidescope, utilising Ohara S-FPL53 glass for the ED element. The telescope is equipped with a fine and precise helical focuser. The telescope is equipped with a fine and precise helical focuser. Latest software links. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. With a focal length of 242 mm it has a very fast focal ratio of f/4.8. The 1.25" barrel will fit into the 1.25" helical focuser of the EvoGuide 50ED, but can also fit 2" focusers using a step down ring. With a focal length of 242 mm it has a very fast focal ratio of f/4.8. Sky-Watcher - The worlds largest telescope manufacturer. Corrections are amazing with the use of ED glass, colours are true and contrast is superb. i still have the evoguide , but I’ve sold the ED80 in favor of a … 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 242mm it has a very fast focal ratio of just f/4.8. The guider is best mounted on top and not in the finder shoe as shown above, difficult or impossible to balance this way. Be the first to review “50ED Field Flattener” Cancel reply You must be logged in to post a review. PRODUCT MANUALS – FOR DOWNLOADING, Find the latest manuals for your Sky-Watcher Australia product here - easy downloading. The evoguide is also very good, but the most important feature of this guider is the built in helical focuser i would say. The field flattener works with sensors up to APS size (27mm diagonal). Instruction manual for Quattro 200mm, both steel and carbon fiber tube. The non-rotating helical focuser is extremely precise for even the finest focusing adjustments. Use the Sky-Watcher Evoguide ED APO 50mm f/4.8 Guidescope to improve the precision of your autoguiding system or for wide-field astrophotography with small CCD imagers.. This ED optic gem is a fast f/4.8 focal ratio with a focal length of 242mm. The 50mm aperture, when coupled with the ED lens element, doublet apochromatic design, and helical focuser makes the Evoguide much more precise than standard guidecopes, producing the higher quality images required … Version: QT200-F-140618V1-EN Sky-Watcher's EvoGuide 50ED is the ultimate new high quality 50mm doublet ED Guidescope, finder or ultra portable telescope, utilising world class Ohara S-FPL53 glass for the ED element. This produces a 6.2-degree image circle on the EvoGuide 50ED. Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. 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