{"product_id":"canon-400mm-f2-8l-is-ii","title":"Canon 400mm f2.8L IS II - 1900","description":"\u003ch2\u003eCanon 400mm f2.8L IS II - 1900\u003c\/h2\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1pxqn6c\" data-start=\"27\" data-end=\"193\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"73\"\u003eProfessional‑grade super‑telephoto prime\u003c\/strong\u003e with a \u003cstrong data-start=\"81\" data-end=\"104\"\u003efast f\/2.8 aperture\u003c\/strong\u003e—ideal for sports, wildlife, and action shooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8tdsg3\" data-start=\"194\" data-end=\"361\"\u003e\n\u003cstrong data-start=\"196\" data-end=\"233\"\u003eSuperb image quality and contrast\u003c\/strong\u003e with precision fluorite elements and advanced coatings to reduce aberrations and flare. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"93120n\" data-start=\"362\" data-end=\"501\"\u003e\n\u003cstrong data-start=\"364\" data-end=\"405\"\u003eUp to ~4 stops of Image Stabilization\u003c\/strong\u003e helps deliver sharper handheld shots at long distances. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mukowr\" data-start=\"502\" data-end=\"655\"\u003e\n\u003cstrong data-start=\"504\" data-end=\"546\"\u003eFast, accurate ring‑type USM autofocus\u003c\/strong\u003e with full‑time manual focus override for confident subject tracking. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19engy1\" data-start=\"656\" data-end=\"819\"\u003e\n\u003cstrong data-start=\"658\" data-end=\"703\"\u003eMagnesium alloy and titanium construction\u003c\/strong\u003e makes it lighter than predecessors while staying rugged and weather‑sealed. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ym8cvf\" data-start=\"820\" data-end=\"958\"\u003e\n\u003cstrong data-start=\"822\" data-end=\"858\"\u003eExcellent long‑reach performance\u003c\/strong\u003e with natural background separation thanks to wide aperture. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1joe529\" data-start=\"959\" data-end=\"1082\"\u003e\n\u003cstrong data-start=\"961\" data-end=\"985\"\u003eHeavy and large lens\u003c\/strong\u003e—requires good support (monopod\/tripod) for extended use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"agggbe\" data-start=\"1083\" data-end=\"1230\"\u003e\n\u003cstrong data-start=\"1085\" data-end=\"1125\"\u003ePremium price and professional niche\u003c\/strong\u003e—designed for shooters who demand top performance under pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"75\" data-end=\"336\"\u003e\u003cstrong data-start=\"75\" data-end=\"141\"\u003eQ1: What kind of lens is the Canon EF 400 mm f\/2.8L IS II USM?\u003c\/strong\u003e\u003cbr data-start=\"141\" data-end=\"144\"\u003eA: A professional‑grade \u003cstrong data-start=\"168\" data-end=\"198\"\u003esuper‑telephoto prime lens\u003c\/strong\u003e for Canon EF‑mount full‑frame DSLRs, designed for serious wildlife, sports, and action photography. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"338\" data-end=\"559\"\u003e\u003cstrong data-start=\"338\" data-end=\"391\"\u003eQ2: What focal length and aperture does it offer?\u003c\/strong\u003e\u003cbr data-start=\"391\" data-end=\"394\"\u003eA: Fixed \u003cstrong data-start=\"403\" data-end=\"426\"\u003e400 mm focal length\u003c\/strong\u003e with a bright \u003cstrong data-start=\"441\" data-end=\"467\"\u003ef\/2.8 maximum aperture\u003c\/strong\u003e, ideal for long‑distance reach and subject isolation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"561\" data-end=\"793\"\u003e\u003cstrong data-start=\"561\" data-end=\"601\"\u003eQ3: What are the optical highlights?\u003c\/strong\u003e\u003cbr data-start=\"601\" data-end=\"604\"\u003eA: Uses high‑performance fluorite elements and Sub‑Wavelength Structure coatings for \u003cstrong data-start=\"689\" data-end=\"754\"\u003esharp images, reduced chromatic aberration, and minimal flare\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"795\" data-end=\"1005\"\u003e\u003cstrong data-start=\"795\" data-end=\"839\"\u003eQ4: Does it include image stabilization?\u003c\/strong\u003e\u003cbr data-start=\"839\" data-end=\"842\"\u003eA: Yes — built‑in \u003cstrong data-start=\"860\" data-end=\"888\"\u003eImage Stabilization (IS)\u003c\/strong\u003e offers up to \u003cstrong data-start=\"902\" data-end=\"916\"\u003efour stops\u003c\/strong\u003e of shake reduction, helping steady handheld shots. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1007\" data-end=\"1205\"\u003e\u003cstrong data-start=\"1007\" data-end=\"1044\"\u003eQ5: How is autofocus performance?\u003c\/strong\u003e\u003cbr data-start=\"1044\" data-end=\"1047\"\u003eA: Fast, accurate \u003cstrong data-start=\"1065\" data-end=\"1101\"\u003ering‑type Ultrasonic Motor (USM)\u003c\/strong\u003e autofocus with full‑time manual override and focus limit options. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1207\" data-end=\"1415\"\u003e\u003cstrong data-start=\"1207\" data-end=\"1246\"\u003eQ6: What is the build quality like?\u003c\/strong\u003e\u003cbr data-start=\"1246\" data-end=\"1249\"\u003eA: Rugged \u003cstrong data-start=\"1259\" data-end=\"1284\"\u003eL‑series construction\u003c\/strong\u003e with weather sealing, magnesium alloy and titanium parts for durability in tough conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1417\" data-end=\"1638\"\u003e\u003cstrong data-start=\"1417\" data-end=\"1457\"\u003eQ7: How heavy and large is the lens?\u003c\/strong\u003e\u003cbr data-start=\"1457\" data-end=\"1460\"\u003eA: It weighs about \u003cstrong data-start=\"1479\" data-end=\"1499\"\u003e3.85 kg (8.5 lb)\u003c\/strong\u003e and measures roughly \u003cstrong data-start=\"1521\" data-end=\"1555\"\u003e343 mm long by 163 mm diameter\u003c\/strong\u003e — substantial but optimized for performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1640\" data-end=\"1849\"\u003e\u003cstrong data-start=\"1640\" data-end=\"1683\"\u003eQ8: What is the close‑focus capability?\u003c\/strong\u003e\u003cbr data-start=\"1683\" data-end=\"1686\"\u003eA: Minimum focus distance is approx \u003cstrong data-start=\"1722\" data-end=\"1731\"\u003e2.7 m\u003c\/strong\u003e with ~0.17× magnification — suited for distant subjects rather than macro work.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"mxvvax\" data-start=\"51\" data-end=\"148\"\u003e\n\u003cstrong data-start=\"53\" data-end=\"80\"\u003eClean optics carefully:\u003c\/strong\u003e Use a blower and microfiber cloth; avoid touching glass directly.\u003c\/li\u003e\n\u003cli data-section-id=\"1quwp92\" data-start=\"149\" data-end=\"271\"\u003e\n\u003cstrong data-start=\"151\" data-end=\"177\"\u003eProtect lens elements:\u003c\/strong\u003e Always use front\/rear caps, UV\/filter, and lens hood to prevent scratches, dust, and flare.\u003c\/li\u003e\n\u003cli data-section-id=\"4zetkw\" data-start=\"272\" data-end=\"368\"\u003e\n\u003cstrong data-start=\"274\" data-end=\"291\"\u003eStore safely:\u003c\/strong\u003e Keep in a dry, padded case with silica gel to prevent moisture and fungus.\u003c\/li\u003e\n\u003cli data-section-id=\"5oa4v3\" data-start=\"369\" data-end=\"459\"\u003e\n\u003cstrong data-start=\"371\" data-end=\"406\"\u003eHandle focus, zoom \u0026amp; IS gently:\u003c\/strong\u003e Operate rings smoothly; never force any mechanism.\u003c\/li\u003e\n\u003cli data-section-id=\"r1h0rq\" data-start=\"460\" data-end=\"538\"\u003e\n\u003cstrong data-start=\"462\" data-end=\"491\"\u003eAvoid extreme conditions:\u003c\/strong\u003e Protect from rain, dust, heat, and humidity.\u003c\/li\u003e\n\u003cli data-section-id=\"11hhzo0\" data-start=\"539\" data-end=\"619\"\u003e\n\u003cstrong data-start=\"541\" data-end=\"564\"\u003eRegular inspection:\u003c\/strong\u003e Check for dust, mechanical wear, and IS performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1npa5gh\" data-start=\"620\" data-end=\"734\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"622\" data-end=\"645\"\u003eTransport securely:\u003c\/strong\u003e Use the tripod collar and dedicated case for safe handling of this heavy telephoto lens.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Canon","offers":[{"title":"Default Title","offer_id":46395454488726,"sku":"1900","price":7499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/3128\/3350\/files\/1900-00.jpg?v=1779693597","url":"https:\/\/paw-counter.com\/products\/canon-400mm-f2-8l-is-ii","provider":"Move Better Every Day","version":"1.0","type":"link"}