{"product_id":"celestron-c90-maksutov-cassegrain-spotting-scope","title":"Celestron C90 Maksutov-Cassegrain Spotting Scope","description":"\u003ch2\u003eCelestron C90 Maksutov-Cassegrain Spotting Scope\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCelestron C90 Mak Spotting Scope\u003c\/strong\u003e is a compact, powerful, and versatile optic designed for both \u003cstrong\u003eterrestrial and astronomical observation\u003c\/strong\u003e. With its \u003cstrong\u003eMaksutov-Cassegrain optical design\u003c\/strong\u003e, multi-coated optics, and high-contrast performance, it delivers razor-sharp images whether you’re birdwatching, viewing wildlife, or exploring the Moon and planets.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e90mm (3.54\") Aperture Maksutov-Cassegrain Design\u003c\/strong\u003e – bright, sharp, high-contrast images\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Coated Optics\u003c\/strong\u003e – improved light transmission for crisp detail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e39x Magnification\u003c\/strong\u003e with included 32mm Plössl eyepiece\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eErect Image System\u003c\/strong\u003e – perfect for terrestrial and celestial use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in T-Adapter Threads\u003c\/strong\u003e – easily attach SLR cameras for digiscoping or astrophotography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClose Focus of 15 ft (4.6m)\u003c\/strong\u003e – excellent for detailed observation of nearby subjects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e – lightweight, easy to transport in the included backpack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTripod Adaptable\u003c\/strong\u003e – two ¼-20 mounting points and an 80mm dovetail rail for stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Kit\u003c\/strong\u003e – includes eyepiece, diagonal, finderscope, covers, and backpack case\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCelestron Limited Lifetime Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMaksutov-Cassegrain Optical Excellence\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMaksutov-Cassegrain (Mak) design\u003c\/strong\u003e combines a lens and mirror system to produce images that are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBright and sharp\u003c\/strong\u003e across the entire field\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVirtually free from chromatic aberration\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh contrast\u003c\/strong\u003e, thanks to the smaller secondary spot on the corrector plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnlike many telescopes, the C90 Mak requires \u003cstrong\u003eminimal collimation\u003c\/strong\u003e, making it easy to maintain. Its only trade-off is a slightly longer cool-down time due to the larger corrector plate.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eMulti-Purpose Performance\u003c\/h3\u003e\n\u003cp\u003eThe C90 is built for flexibility, making it ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerrestrial Viewing\u003c\/strong\u003e – wildlife, birds, landscapes, and long-distance observation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAstronomy\u003c\/strong\u003e – craters on the Moon, planets, and brighter deep-sky objects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhotography\u003c\/strong\u003e – connect cameras via built-in \u003cstrong\u003eT-adapter threads\u003c\/strong\u003e to capture stunning images\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003ePortable and Travel-Friendly\u003c\/h3\u003e\n\u003cp\u003eWeighing just \u003cstrong\u003e74 oz (2.1 kg)\u003c\/strong\u003e and measuring only \u003cstrong\u003e400mm in length\u003c\/strong\u003e, the C90 Mak is compact enough for travel. It comes with a \u003cstrong\u003erugged nylon backpack\u003c\/strong\u003e that holds the scope and accessories securely, making it perfect for field trips, hikes, or stargazing outings.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMagnification\u003c\/strong\u003e: 39x (with included 32mm Plössl)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eObjective Lens Diameter\u003c\/strong\u003e: 90mm (3.54\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e: 1250mm (f\/13.9)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField of View\u003c\/strong\u003e: 1.3° \/ 68 ft @ 1000 yds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClose Focus\u003c\/strong\u003e: 15 ft (4.6m)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEye Relief\u003c\/strong\u003e: 20mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExit Pupil\u003c\/strong\u003e: 2.3mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptics\u003c\/strong\u003e: Multi-Coated, BaK4 prism\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 400mm x 260mm x 260mm (15.7\" x 10.2\" x 10.2\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 74 oz (2.1 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTripod Adaptable\u003c\/strong\u003e: Yes (dual ¼-20 mounts + dovetail rail)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCamera Adaptable\u003c\/strong\u003e: Yes (via T-adapter threads)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCarrying Case\u003c\/strong\u003e: Heavy-duty woven nylon backpack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e32mm Plössl eyepiece (39x)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e45° erect image diagonal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e8x21 erect image finderscope\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eObjective lens cover \u0026amp; eyepiece cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNylon backpack case\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSafety Warning\u003c\/h3\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eNever look directly at the Sun\u003c\/strong\u003e with the naked eye or through the C90 Mak without a proper solar filter. Permanent and irreversible eye damage may result.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose the Celestron C90 Mak?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCelestron C90 Maksutov-Cassegrain Spotting Scope\u003c\/strong\u003e delivers an unbeatable combination of \u003cstrong\u003eoptical power, portability, and versatility\u003c\/strong\u003e. Whether you’re a nature enthusiast, traveller, or amateur astronomer, this iconic spotting scope provides sharp, detailed views in a compact, easy-to-use package.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55897337135478,"sku":"050234522687","price":289.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Celestron-C90-MAK-Spotting-Scope-52268-CGL-9.webp?v=1766422545","url":"https:\/\/welshastronomy.co.uk\/products\/celestron-c90-maksutov-cassegrain-spotting-scope","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}