{"product_id":"askar-1-0x-full-frame-flattener-professional-astronomical-accessory-for-103apo-telescope","title":"Askar 1.0x Full-frame Flattener Professional Astronomical Accessory for 103APO Telescope","description":"\u003cp\u003e\u003cb\u003eAskar 1.0x Full-frame Flattener Professional Astronomical Accessory for 103APO Telescope\u003cbr\u003e\u003cbr\u003eDescription:\u003c\/b\u003e\u003cbr\u003e- The 1x flattener does not change the telescope's focal ratio itself. After connecting with the 103APO, it still maintained a focal length of 6.8. The flattener corrects field curvature and coma, resulting in flatter field edges and finer star points.\u003cbr\u003e\u003cbr\u003e- The 1.0x flattener adopts a triplet design and supports a 44mm full-frame image circle. The overall weight is 0.58kg. The back focus from the M48 thread is a standard 55mm. At the camera end, it is equipped with M54x0.75 and M48x0.75 two sizes of adapters, which are convenient for connection. At the same time, it has a built-in M48x0.75 2-inch filter thread, which can be directly installed and used. The overall CNC machined, both end threaded metal caps prevent ash when not in use.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003cbr\u003e- (After attaching) 103APO Focal length: 700.4mm\u003cbr\u003e- (After attaching) 103APO Focal ratio: f\/6.8\u003cbr\u003e- Lens number: Triplet design\u003cbr\u003e- Back focus: 55mm (from the base of M48 male thread)\u003cbr\u003e- Weight: 0.58kg\u003cbr\u003e- Rear-end thread type: M54x0.75; M54x0.75-M48x0.75 (M48x0.75 filter thread inside)\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x 1.0x Flattener\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1024px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/99005\/99005-01.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1024px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/99005\/99005-02.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1024px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/99005\/99005-03.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1024px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/99005\/99005-04.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products, Audio Amplifer and Decoders","offers":[{"title":"Default Title","offer_id":41028703780913,"sku":"99005","price":220.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1758935922-1.jpg?v=1780321131","url":"https:\/\/www.thanksbuyer.com\/ja\/products\/askar-1-0x-full-frame-flattener-professional-astronomical-accessory-for-103apo-telescope","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}