{"product_id":"skywatcher-evostar-90-660-90mm-az-pronto-alt-az-refractor-telescope","title":"Sky-Watcher Evostar 90\/660 90mm AZ Pronto Alt-Az Refractor Telescope","description":"\u003ch2\u003e\u003cstrong\u003eSky-Watcher Evostar 90\/660 AZ Pronto Alt-Az Refractor Telescope\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eEasy, No-Fuss, Grab-and-Go Observing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky-Watcher Evostar 90\/660 AZ Pronto\u003c\/strong\u003e is a classic achromatic refractor designed for simplicity, versatility, and reliable performance. With a \u003cstrong\u003e90 mm objective\u003c\/strong\u003e and \u003cstrong\u003ef\/7.3 focal ratio\u003c\/strong\u003e, it delivers crisp lunar and planetary views while remaining capable on brighter deep-sky objects. Lightweight and quick to set up, it’s an excellent choice for beginners—and a convenient grab-and-go option for experienced observers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eClear, Versatile Refractor Optics\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Evostar 90\/660 uses a \u003cstrong\u003etwo-element, air-spaced achromatic objective\u003c\/strong\u003e to provide sharp, contrast-rich images with minimal maintenance. The 90 mm aperture gathers \u003cstrong\u003e65% more light than a 70 mm telescope\u003c\/strong\u003e, revealing finer detail on the Moon and planets and brighter views of star clusters and nebulae.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eObjective lens:\u003c\/strong\u003e 90 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal length:\u003c\/strong\u003e 660 mm (f\/7.3)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-coated objective\u003c\/strong\u003e for improved light transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith an optional erect-image diagonal (sold separately), the telescope can also be used for \u003cstrong\u003eterrestrial observing\u003c\/strong\u003e, delivering upright, correctly oriented views.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eAZ Pronto Alt-Az Mount – Simple \u0026amp; Stable\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe included \u003cstrong\u003eAZ Pronto alt-azimuth mount\u003c\/strong\u003e is engineered for smooth, intuitive control. Slow-motion cables on both axes allow precise tracking of celestial objects without motors or complex alignment routines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e360° azimuth rotation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAltitude range:\u003c\/strong\u003e −70° to +90°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSmooth slow-motion controls\u003c\/strong\u003e on both axes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAluminium tripod\u003c\/strong\u003e with accessory tray for added stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis straightforward design makes observing relaxed and accessible—ideal for learning the night sky.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat You Can See\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMoon:\u003c\/strong\u003e crisp craters, mountain ranges, and rilles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter’s cloud bands and moons, Saturn’s rings, phases of Venus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeep sky:\u003c\/strong\u003e brighter clusters, nebulae, and galaxies under dark skies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eMagnification \u0026amp; Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSupplied magnifications:\u003c\/strong\u003e \u003cstrong\u003e×33\u003c\/strong\u003e (20 mm) and \u003cstrong\u003e×66\u003c\/strong\u003e (10 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHighest practical power:\u003c\/strong\u003e \u003cstrong\u003e×180\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLight-gathering:\u003c\/strong\u003e 65% more than 70 mm refractors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eIncluded Accessories\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e10 mm \u0026amp; 20 mm Photo\/Visual eyepieces\u003c\/strong\u003e (1.25\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e90° 1.25\" diagonal mirror\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRed dot finder\u003c\/strong\u003e for easy object location\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAZ Pronto alt-azimuth mount\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAluminium tripod\u003c\/strong\u003e with accessory tray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Choose the Evostar 90\/660 AZ Pronto?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQuick setup—no alignment or power required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent balance of aperture, portability, and ease of use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for \u003cstrong\u003ebeginners\u003c\/strong\u003e and \u003cstrong\u003eexperienced observers\u003c\/strong\u003e alike\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdaptable for \u003cstrong\u003eastronomy and terrestrial viewing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA dependable, fuss-free refractor, the \u003cstrong\u003eSky-Watcher Evostar 90\/660 AZ Pronto\u003c\/strong\u003e makes it easy to step outside and start observing—any night, any time.\u003c\/p\u003e","brand":"SkyWatcher","offers":[{"title":"Default Title","offer_id":56978650628470,"sku":"10254","price":279.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Sky-Watcher-Evostar-90-660-AZ-Pronto-Alt-Az-Refractor-Telescope-3.webp?v=1769529202","url":"https:\/\/welshastronomy.co.uk\/products\/skywatcher-evostar-90-660-90mm-az-pronto-alt-az-refractor-telescope","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}