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Home Telescopes Optical Tube Assemblies SkyWatcher Optical Tubes SkyWatcher EvoGuide 50ED 50mm ED Guidescope
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. Corrections are amazing with the use of ED glass, colours are true and contrast is superb. With a focal length of 242mm it has a very fast focal ratio of just f/4.8. The Evoguide is equipped with a fine and precise helical focuser enabling sharp focus to be easily acheived visually or on a camera sensor. It can also be used as a finderscope, or just as a small richfield premium telescope for travelling.Dovetail bar & Finder stalkThe Evoguide-50ED is now supplied with a standard Vixen type 45mm dovetail bar for telescope mounting, a 1/4-20 thread for tripod mounting and a finderscope dovetail bracket for mounting onto a standard finderscope shoeOptical AdvantageThe use of genuine Japanese OharaS-FPL53 glass not only provides superb colour correction and contrast visually but is beneficial to auto-guiding, stars that are better corrected are smaller and better resolved so take up less pixels on the sensor for more accurate guiding during long exposure imaging.Image with the Evoguide 50EDIdeal as a small premium wide-field lens for your camera, using the Ohara S-FPL53 glass the Evoguide is perfect for use with a DSLR, use the optional field flattener (see related products) to get pinpoint stars accross a 6 degree field.Specifications Highest practical power: x100 (Eyepieces not supplied) Objective lens diameter: 50 mm Telescope focal length: 242 mm (f/4.8) Focuser: fine helical (1.25”) Camera / Eyepiece connection: T2 thread / 1.25” socket Optic: Doublet ED lens with 2 Ohara glass lenses (1 lens S-FPL53) Collimation rings & Bracket Dovetail bar
Sky-Watcher's EvoGuide 50ED is the ultimate new high quality 50mm doublet ED Guidescope, finder or ultra portable telescope, utilising premium world class Ohara S-FPL53 glass for the ED element. Corrections are amazing with the use of ED glass, colours are true and contrast is superb. With a focal length of 242mm it has a very fast focal ratio of just f/4.8. The telescope is equipped with a fine and precise helical focuser enabling sharp focus to be easily acheived visually or on your camera sensor.For connecting your autoguider, cameras or eyepieces it has a T2 thread and 1.25" eyepiece holder. For exact collimation to the main telescope, collimation rings are provided, each with 3 non marring nylon tipped screws. The guidescope bracket comes with a SkyWatcher / 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.Dovetail bar & Finder stalkThe Evoguide-50ED is now supplied with a standard Vixen type 45mm dovetail bar for telescope mounting, a 1/4-20 thread for tripod mounting and a finderscope dovetail bracket for mounting onto a standard finderscope shoeGuidescope capabilityThe stunning optics and build quality allow this optic to perform as a compact yet very capable guidescope, with 1.25" or T thread connectivity. The bracket will allow direct fitment to many popular telescopes.Premium FinderED optics mean better colour correction, with sharper stars and more contrast, the helical focuser means precise focusing and mechanical features such as metal thumbcrews with nylon tips result in accurate and reliable operation. Simply add any 1.25" reticle eyepiece to use as a finderscope.Camera LensTake advantage of the FPL53 lens with it's superior performance, attach your DSLR with an optional T ring or use any 1.25" USB camera for superb high contrast widefield imaging.Ultra Portable TelescopeIt maybe only 50mm but with ED optics you can get stunning widefield views by adding a low power 1.25 " eyepiece in the precision helical focuser, a standard 25mm eyepiece will give around 10x magnification, easy to hold steady for handheld use.Specifications Highest practical power: x100 (Eyepieces not supplied) Objective lens diameter: 50 mm Telescope focal length: 242 mm (f/4.8) Focuser: fine helical (1.25”) Camera / Eyepiece connection: T2 thread / 1.25” socket Optic: Doublet ED lens with 2 Ohara glass lenses (1 lens S-FPL53) Collimation rings & Bracket
Well constructed item along with very good service I ordered the Evoguide 50ED to replace a simple red dot finder. It proved a good move. The 'scope is well constructed and has multiple mounting options. Helical focussing is smooth and fine. Adjustment of the axis is simple with three fixings on each of two rings. Excellent service from Harrison. (08/02/2021) -
A beautifully crafted instrument, very well packed and delivered promptly. I’m looking forward to a clear night to try it out and expect good results. (21/11/2018) John Mason - Shrewsbury
Very good upgrade replacement finder/guide scope Frustrated by the difficulty of achieving good focus with the standard finder/guide scope supplied with an ED80DS-Pro I purchaed the EvoGuide. First impressions are very good with good control over focus and a clear improvement in guiding performance; used with a ZWO ASI120MM-S and PhD2. (16/02/2018) - Derby
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