{"product_id":"sigma-170-500mm-f-5-6-3-apo-lens-canon-ef-mount","title":"Sigma 170–500mm f\/5–6.3 APO Lens – Canon EF – Good – Fungus – Sample Images","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSigma \u003cstrong\u003e170–500mm f\/5–6.3 APO\u003c\/strong\u003e ultra‑telephoto zoom lens for \u003cstrong\u003eCanon EF mount\u003c\/strong\u003e, presented in \u003cstrong\u003eGood condition\u003c\/strong\u003e, fully \u003cstrong\u003etested and working\u003c\/strong\u003e, but with \u003cstrong\u003einternal fungus present\u003c\/strong\u003e. The lens still produces usable images, and \u003cstrong\u003esample photos taken with this lens are included\u003c\/strong\u003e to demonstrate real‑world performance.\u003c\/p\u003e\n\u003cp\u003eThis APO version offers improved chromatic aberration control and a versatile long‑range focal length ideal for wildlife, aviation and distant landscape work.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eOverall Condition: Good\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully tested and working\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal fungus present\u003c\/strong\u003e – cleaning required\u003c\/li\u003e\n\u003cli\u003eOptics otherwise clear\u003c\/li\u003e\n\u003cli\u003eCoatings intact\u003c\/li\u003e\n\u003cli\u003eAperture blades clean and responsive\u003c\/li\u003e\n\u003cli\u003eAutofocus accurate on test body\u003c\/li\u003e\n\u003cli\u003eZoom and focus actions smooth\u003c\/li\u003e\n\u003cli\u003eTripod collar rotates correctly\u003c\/li\u003e\n\u003cli\u003eExterior shows light signs of previous use\u003c\/li\u003e\n\u003cli\u003eMount clean\u003c\/li\u003e\n\u003cli\u003eSample images taken with this lens included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eINCLUDED\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSigma 170–500mm f\/5–6.3 APO lens – Canon EF mount\u003c\/li\u003e\n\u003cli\u003eFront lens cap\u003c\/li\u003e\n\u003cli\u003eRear lens cap\u003c\/li\u003e\n\u003cli\u003eSample photos taken with this lens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e170–500mm ultra‑telephoto zoom\u003c\/li\u003e\n\u003cli\u003eAPO (Apochromatic) optical correction\u003c\/li\u003e\n\u003cli\u003eLong‑range performance for wildlife and aviation\u003c\/li\u003e\n\u003cli\u003eInternal focusing\u003c\/li\u003e\n\u003cli\u003eTripod collar for stability\u003c\/li\u003e\n\u003cli\u003eCanon EF full‑frame and APS‑C compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eCOMPATIBILITY NOTES\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCorrect for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll Canon EF‑mount DSLRs (full‑frame and APS‑C)\u003c\/li\u003e\n\u003cli\u003eCanon EOS film bodies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdaptable to mirrorless:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCanon RF, Sony E, Nikon Z, Fuji X, L‑mount (manual focus only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eCOLLECTORS NOTES\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e170–500mm APO\u003c\/strong\u003e remains a popular long‑range zoom for wildlife and aviation enthusiasts. Copies with fungus are often purchased by hobbyists for cleaning projects or by users seeking an affordable ultra‑telephoto option.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eSEO KEYWORDS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSigma 170–500mm APO Canon EF, Sigma telephoto zoom fungus, wildlife lens Canon UK\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":54350606532950,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0875\/5213\/1414\/files\/IMGP0893_abb191c0-ea74-4664-af48-2ac2b40b12dd.jpg?v=1782396819","url":"https:\/\/colinscameras.co.uk\/products\/sigma-170-500mm-f-5-6-3-apo-lens-canon-ef-mount","provider":"Colins Cameras","version":"1.0","type":"link"}