{"product_id":"canon-ef-300mm-f4-l-is-usm","title":"CANON EF 300MM F4 L IS USM   Follow Focus Gear","description":"\u003cp\u003eThe follow focus gear ring for the Canon EF 300mm f\/4L IS USM fits this compact stabilized L telephoto. At 300 mm every focus error shows, and with the gear and a follow focus you track wildlife or athletes smoothly from the tripod.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the same as the 'EF 300mm f\/4L IS'?\u003c\/strong\u003e\u003cbr\u003eYes. Both listings mean the same lens and the ring is identical.\u003c\/p\u003e","brand":"Better Focus","offers":[{"title":"Default Title","offer_id":42953592668373,"sku":"FFR_1000143","price":24.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/2099\/6565\/products\/Follow-Focus-Gear-for-CANON-EF-300MM-F4-L-IS-USM.jpg?v=1650648384","url":"https:\/\/better-focus.com\/fr\/products\/canon-ef-300mm-f4-l-is-usm","provider":"Better Focus","version":"1.0","type":"link"}