{"product_id":"airy-disk-flattener-reducer-0-75x-for-the-106mm-apo","title":"Airy Disk Flattener \/ Reducer 0.75x for the 106mm APO","description":"\u003cp\u003eThis 3-element 0.75x flat-field adapter is specifically made for the Airy Disk 106mm APO. It is designed to sharpen stars toward the edge of the field while reducing the system to 525mm at approximately f\/4.95.\u003c\/p\u003e\u003cp\u003eThe adapter screws onto the M63x1 thread and provides 55mm to 60mm adjustable back distance from the M48x0.75 camera-side thread.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 0.75x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnecting thread:\u003c\/strong\u003e M63x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera thread:\u003c\/strong\u003e M48x0.75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage circle:\u003c\/strong\u003e 44.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum back focus:\u003c\/strong\u003e 55mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum back focus:\u003c\/strong\u003e 71.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.79kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned for serious astrophotography workflows, the Airy Disk Flattener \/ Reducer 0.75x for the 106mm APO helps refine field correction, back focus, and imaging performance for compatible Airy Disk refractors. It is a practical upgrade for imagers who want sharper stars, cleaner edge performance, and a more complete telescope imaging system.\u003c\/p\u003e","brand":"Airy Disk","offers":[{"title":"Default Title","offer_id":48248622973169,"sku":"0.75x Flat-Reducer","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/8311\/8577\/files\/674ec8974ed542803c34f2c0_5_5.jpg?v=1780592741","url":"https:\/\/novatelescopes.com\/products\/airy-disk-flattener-reducer-0-75x-for-the-106mm-apo","provider":"NovaTelescopes","version":"1.0","type":"link"}