{"product_id":"askar-n160-160mm-large-aperture-f-3-4-astronomical-newtonian-reflector-with-dual-speed-rack-and-pinion-focuser","title":"Askar N160 160MM Large Aperture F\/3.4 Astronomical Newtonian Reflector with Dual-Speed Rack-and-Pinion Focuser","description":"\u003cp\u003e\u003cb\u003eIntroduction:\u003c\/b\u003e\u003cbr\u003e- The N160 features a large 160mm aperture and a focal ratio of F3.4.It is a cost-effective Newtonian reflector designed for deep-sky astrophotography. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003cbr\u003e- Aperture size: 160mm\u003cbr\u003e- Focal length: 576mm (without Corrector)\/544mm (with Corrector)\u003cbr\u003e- Focal ratio: F3.6 (without Corrector)\/F3.4 (with Corrector)\u003cbr\u003e- Corrector reduction factor: 0.95×\u003cbr\u003e- Corrector type: Triplet design\u003cbr\u003e- Primary mirror type: Parabolic mirror\u003cbr\u003e- Format specifications: APS-C\u003cbr\u003e- Tube material: Carbon fiber\u003cbr\u003e- Secondary mirror short axis diameter: 61mm\u003cbr\u003e- Lens tube outer diameter: 193mm\u003cbr\u003e- Lens tube total length: 467mm\u003cbr\u003e- OTA weight: 3.97kg\u003cbr\u003e- Gross weight (including handle, tube ring, dovetail plate, and corrector): 5.2kg\u003cbr\u003e- Corrector weight: 0.22kg\u003cbr\u003e- Resolution: 0.73\u003cbr\u003e- Back focus: 55mm (from the M48 thread)\u003cbr\u003e- Rear-end thread type: corrector end of M48x0.75\u003cbr\u003e\u003cb\u003e\u003cbr\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x OTA\u003cbr\u003e- 1 x Pair of Tube Rings\u003cbr\u003e- 1 x 230MM Dovetail Plate\u003cbr\u003e- 1 x Multifunctional Handle\u003cbr\u003e- 1 x 0.95X MPCC\u003cbr\u003e- 1 x M58 to M48 Adapter\u003cbr\u003e- 2 x 0.1MM Shim\u003cbr\u003e- 2 x 0.2MM Shim\u003cbr\u003e- 2 x 0.3MM Shim\u003cbr\u003e- 1 x User Manual\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-01.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-02.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-03.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-04.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-05.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-06.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-07.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-08.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-09.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-10.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-11.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/102979\/102979-12.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":47828835860716,"sku":"102979","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/9669\/3740\/files\/1782445099-5.jpg?v=1782446180","url":"https:\/\/teseek.com\/ko\/products\/askar-n160-160mm-large-aperture-f-3-4-astronomical-newtonian-reflector-with-dual-speed-rack-and-pinion-focuser","provider":"TeSeek Official","version":"1.0","type":"link"}