{"product_id":"pentax-600mm-f4-takumar-6x7-1","title":"Pentax 600mm f4 Takumar \/ 6x7 - Lens","description":"\u003cp\u003eIntroduced in 1969 for Pentax 6x7 system. The 600mm f4 is a massive and very heavy  lens with huge glass elements. Instead using focusing ring the lens has adjusting knobs on the back of the lens. It has full metal construct with built-in lens hood. In 1971 Pentax made a newer version of the lens with SMC coatings.\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptical design: 6 elements in 5 groups\u003c\/li\u003e\n\u003cli\u003eClosest focusing distance: 12m\u003c\/li\u003e\n\u003cli\u003e12 diaphragm blades\u003c\/li\u003e\n\u003cli\u003eMinimum aperture: f45\u003c\/li\u003e\n\u003cli\u003eWeight: 6kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pentax","offers":[{"title":"Default Title","offer_id":41447399456966,"sku":"afwd","price":0.0,"currency_code":"CNY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/9496\/7750\/products\/206x7-afwd.jpg?v=1642463017","url":"https:\/\/kamerastore.com\/en-int\/products\/pentax-600mm-f4-takumar-6x7-1","provider":"Kamerastore","version":"1.0","type":"link"}