{"product_id":"celestron-c90-maksutov-cassegrain-spotting-scope","title":"Celestron C90 Maksutov Cassegrain Spotting Scope","description":"\u003cp\u003eThe Celestron C90 Maksutov-Cassegrain Telescope features a compact, portable design that is easy to use and suitable for both terrestrial and astronomical observation. Its versatile optical system makes it a great choice for viewing distant landscapes, wildlife, the Moon, and other celestial objects. With its high-quality optics, the C90 delivers sharp, detailed images across a wide field of view. Its portable construction makes it convenient for home use and outdoor adventures, offering flexibility for beginners and experienced observers alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaksutov-Cassegrain Optical Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe MAK\u003cspan\u003e \u003c\/span\u003eis a catadioptric\u003cspan\u003e \u003c\/span\u003espotting scope, which means the optical design includes both a lens and a mirror. The light coming through a MAK\u003cspan\u003e \u003c\/span\u003epasses through the corrector lens to the primary mirror and back to a spherical secondary mirror before it hits the eyepiece. Images are bright, sharp, and virtually free of chromatic aberration.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/MAKS_design.png?v=1538585693\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Maksutov-Cassegrain’s optical design offers several unique benefits. Instead of a secondary mirror, the MAK\u003cspan\u003e \u003c\/span\u003efeatures a “secondary spot” of reflective coating applied directly to the inside of the corrector plate. Because of this, the spotting scope\u003cspan\u003e \u003c\/span\u003edoes not require occasional collimation. Also, the secondary spot is significantly smaller, giving the MAK\u003cspan\u003e \u003c\/span\u003eits signature high-contrast views. One important thing to note about Maksutov-Cassegrain spotting scope is that the larger, heavier Maksutov corrector plate takes longer to cool down and adjust to ambient air temperature.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":48254870421675,"sku":"52268","price":279.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/8944\/0683\/files\/52268_C90_Mak_1.webp?v=1791986803","url":"https:\/\/astronomycity.com\/products\/celestron-c90-maksutov-cassegrain-spotting-scope","provider":"Astronomy City","version":"1.0","type":"link"}