{"product_id":"sigma-2x-apo-tele-converter-ex-pentax-k","title":"Sigma 2x APO Teleconverter EX - Accessory","description":"\u003cp\u003eTeleconverter made for Pentax K mount cameras by Sigma. Will multiply the focal length of the existing lens by 2, and will cut back the amount of light by 2 stops. Electronic communication between lens and camera. Metal body available in black.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptical design: 6 elements in 5 groups\u003c\/li\u003e\n\u003cli\u003eSize: 68 x 52 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 254g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":47280746037581,"sku":"pi2fo4","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/9496\/7750\/products\/27-04-23-15280.jpg?v=1695040126","url":"https:\/\/kamerastore.com\/fi-fi\/products\/sigma-2x-apo-tele-converter-ex-pentax-k","provider":"Kamerastore","version":"1.0","type":"link"}