{"product_id":"ioptron-8710","title":"iOptron 80mm Refractor","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e80mm Achromatic Refractor Optics\u003c\/li\u003e\n\u003cli\u003e400mm Focal Length (f\/5)\u003c\/li\u003e\n\u003cli\u003eLightweight 2.2 lbs Optical Tube\u003c\/li\u003e\n\u003cli\u003eIncludes 25mm and 9mm 1.25\" Eyepieces\u003c\/li\u003e\n\u003cli\u003e45º Erect Image Diagonal for Day and Night Viewing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003e80mm Refractor\u003c\/h2\u003e\n      \u003cp\u003eThe 80mm Refractor combines an 80 mm aperture with a short 400 mm focal length for a fast f\/5 optical system designed for wide-field stargazing and easy portability. This compact optical tube assembly delivers a resolving power of 1.4 arc seconds and weighs only 2.2 lbs, making it an excellent grab-and-go instrument for sweeping the Milky Way or for daytime terrestrial viewing.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e80mm f\/5 Optics: A Portable Window for Wide-Field Views\u003c\/h3\u003e\n      \u003cp\u003eWith its 80 mm aperture and fast f\/5 focal ratio, this refractor excels at low-power, wide-field observation. Using the included 25mm eyepiece, you can frame large open star clusters like the Pleiades (M45) or scan the rich star fields of Cygnus. Its compact size and 2.2 lbs weight make it easy to mount on any light-duty photo tripod or astronomical mount for quick sessions.\u003c\/p\u003e\n      \u003cp\u003eAs an achromatic refractor, especially at a fast f\/5 ratio, this design prioritizes brightness and field of view over perfect color correction. On very bright objects like the Moon, Jupiter, or brilliant stars like Vega, you will notice some chromatic aberration, or \"false color,\" which is a characteristic trade-off for this portable and affordable optical design.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDay and Night Ready: 45º Diagonal for Terrestrial and Celestial Use\u003c\/h3\u003e\n      \u003cp\u003eThis refractor includes a 45º erect image diagonal, a key component that makes it suitable for both astronomical and terrestrial viewing. Unlike standard 90º star diagonals that show a mirror-reversed image, the 45º diagonal provides an image that is correctly oriented both up-down and left-right. This makes it intuitive to use for birdwatching, landscape viewing, or tracking boats on the water.\u003c\/p\u003e\n      \u003cp\u003eThe package comes with two 1.25\" eyepieces to get you started: a 25mm for low-power, wide-field scanning and a 9mm for higher magnification views of the Moon's craters or Jupiter's moons. The simple and reliable 1.25” rack-and-pinion focuser allows for easy and smooth focusing for any target, day or night.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Andromeda Galaxy (M31) look through this 80mm Refractor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWith the included 25mm eyepiece, the 80mm Refractor provides a wide field of view that can frame the entirety of the Andromeda Galaxy's bright core and a significant portion of its surrounding dust lanes from a dark sky site. Its fast f\/5 optics make it well-suited for observing large, diffuse objects like M31.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see the rings of Saturn with this 80mm Refractor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, using the included 9mm eyepiece, you will be able to see Saturn's rings as distinct from the planet itself. While an 80mm telescope won't resolve fine detail like the Cassini Division, the iconic shape of the ringed planet will be clearly visible.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is a 45º erect image diagonal and why is it useful for this 80mm refractor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003e45º erect image diagonal\u003c\/strong\u003e corrects the image to be both upright and non-reversed (left-to-right correct). This is essential for daytime terrestrial viewing, such as birdwatching or observing scenery, where a reversed image would be disorienting. It also provides a more comfortable viewing angle than looking straight through the telescope.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill I see color fringing (chromatic aberration) with this 80mm refractor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, as an achromatic refractor with a fast f\/5 focal ratio, some chromatic aberration is expected. You will likely notice a slight purple or yellow halo around very bright objects like the Moon, Venus, Jupiter, and the brightest stars. This is a normal optical characteristic for this type of telescope design.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for this 80mm Refractor OTA?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWeighing only \u003cstrong\u003e2.2 lbs\u003c\/strong\u003e, this optical tube assembly (OTA) is very lightweight and versatile. It can be used on a sturdy photographic tripod with a fluid head for simple terrestrial and wide-field sky viewing. For more serious astronomical use, a light-duty alt-azimuth mount like an iOptron Cube or Sky-Watcher AZ-GTi would be an excellent choice.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs this 80mm refractor a good choice for a beginner?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAbsolutely. Its light weight, simple rack-and-pinion focuser, and included accessories make it very easy to set up and use. The ability to use it for both daytime land viewing and nighttime stargazing provides a great introduction to telescopes without the complexity of larger, more specialized instruments.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eAchromatic Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/5\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eResolving Power\u003c\/td\u003e\n\u003ctd\u003e1.4 arc sec\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1.25” rack-and-pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEyepiece Adapter\u003c\/td\u003e\n\u003ctd\u003e1.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece 1\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece 2\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eIncluded Diagonal\u003c\/td\u003e\n\u003ctd\u003e45º erect\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOTA Weight\u003c\/td\u003e\n\u003ctd\u003e2.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e18 x 7 x 7 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e80mm f\/5 Refractor OTA\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e25mm Eyepiece\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e9mm Eyepiece\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e45º Erect Image Diagonal\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eLens Cap\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cp\u003eFor warranty information, please refer to the documentation provided by the manufacturer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917293777181,"sku":"IOP-8710","price":181.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-80mm-Refractor-1_a45219d1-ad26-406f-ae32-9d7211c92ace.jpg?v=1789142111","url":"https:\/\/davidastro.com\/fr\/products\/ioptron-8710","provider":"David Astro","version":"1.0","type":"link"}