{"product_id":"pre-owned-sigma-canon-ef-mount-50mm-dg-macro-f-2-8-copy","title":"Pre-Owned Kenko Teleplus C-AF 1.5 Teleconverter Canon EF Mount - SWO2H96","description":"\u003cp\u003eExcellent condition\u003c\/p\u003e\n\u003cp\u003eAll functions working correctly including front and rear lens caps\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMultiply the focal length of the existing lens by 1.5x, and will cut back the amount of light by one f\/stop. For example, using a 1.5x teleconverter with a 300mm lens will effectively increase the focal length to 450mm. A lens set to f\/2.8 will now be f\/4.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"South West Optics","offers":[{"title":"Default Title","offer_id":58212909941123,"sku":"SWO2H96","price":34.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/8691\/8450\/files\/KenkoTele.jpg?v=1782825697","url":"https:\/\/swoptics.co.uk\/products\/pre-owned-sigma-canon-ef-mount-50mm-dg-macro-f-2-8-copy","provider":"South West Optics","version":"1.0","type":"link"}