{"product_id":"leica-21mm-f4-super-angulon-1676729","title":"Leica 21mm f4 Super Angulon  1676729","description":"\u003ch2\u003eLeica 21mm f4 Super Angulon  1676729\u003c\/h2\u003e\n\u003cp\u003eThis Leica 21mm f4 Super Angulon Lens #1676729, is in bargain cosmetic condition with significant signs of heavy handling wear found throughout, please see photos for visual reference. Cosmetically, this lens has been rated at a (7+). This lens is in working order; the aperture and focus ring turn smoothly, and the glass has minor cleaning marks which should not affect image quality. There are no signs of fungus or marks present. This lens comes with a front and rear cap only. This lens is ready for use!\u003c\/p\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:1ea9347b-b8ea-4ca8-980a-7e11aae3cfcf-53\" data-testid=\"conversation-turn-108\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"22d4d51f-43c8-4fda-ba9c-386d6af2d8f0\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-mini\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003ch5 data-start=\"0\" data-end=\"30\"\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"31\" data-end=\"366\"\u003e\n\u003cli data-start=\"31\" data-end=\"119\"\u003e\n\u003cp data-start=\"33\" data-end=\"119\"\u003eClassic \u003cstrong data-start=\"41\" data-end=\"74\"\u003eLeica 21 mm f\/4 Super‑Angulon\u003c\/strong\u003e wide‑angle lens with iconic optical design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"120\" data-end=\"176\"\u003e\n\u003cp data-start=\"122\" data-end=\"176\"\u003eSuperb edge‑to‑edge sharpness and minimal distortion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"177\" data-end=\"246\"\u003e\n\u003cp data-start=\"179\" data-end=\"246\"\u003eIdeal for landscapes, architecture, and environmental photography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"247\" data-end=\"305\"\u003e\n\u003cp data-start=\"249\" data-end=\"305\"\u003eSolid all‑metal build with vintage Leica craftsmanship\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"306\" data-end=\"366\"\u003e\n\u003cp data-start=\"308\" data-end=\"366\"\u003eExcellent collectible lens with timeless image character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"368\" data-end=\"387\"\u003eProduct Q\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"388\" data-end=\"814\"\u003e\n\u003cli data-start=\"388\" data-end=\"489\"\u003e\n\u003cp data-start=\"390\" data-end=\"489\"\u003e\u003cstrong data-start=\"390\" data-end=\"425\"\u003eWhat focal length is this lens?\u003c\/strong\u003e\u003cbr data-start=\"425\" data-end=\"428\"\u003e21 mm — wide‑angle for expansive scenes and architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"490\" data-end=\"577\"\u003e\n\u003cp data-start=\"492\" data-end=\"577\"\u003e\u003cstrong data-start=\"492\" data-end=\"525\"\u003eWhat is the maximum aperture?\u003c\/strong\u003e\u003cbr data-start=\"525\" data-end=\"528\"\u003ef\/4 — balanced performance with compact size.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"578\" data-end=\"656\"\u003e\n\u003cp data-start=\"580\" data-end=\"656\"\u003e\u003cstrong data-start=\"580\" data-end=\"607\"\u003eWhat mount does it use?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eLeica \u003cstrong data-start=\"618\" data-end=\"629\"\u003eM‑mount\u003c\/strong\u003e for rangefinder cameras.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"657\" data-end=\"731\"\u003e\n\u003cp data-start=\"659\" data-end=\"731\"\u003e\u003cstrong data-start=\"659\" data-end=\"675\"\u003eIs it sharp?\u003c\/strong\u003e\u003cbr data-start=\"675\" data-end=\"678\"\u003eYes — renowned for crisp detail across the frame.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"732\" data-end=\"814\"\u003e\n\u003cp data-start=\"734\" data-end=\"814\"\u003e\u003cstrong data-start=\"734\" data-end=\"755\"\u003eGood for digital?\u003c\/strong\u003e\u003cbr data-start=\"755\" data-end=\"758\"\u003eYes — with appropriate adapter on mirrorless bodies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"816\" data-end=\"840\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"841\" data-end=\"1100\"\u003e\n\u003cli data-start=\"841\" data-end=\"898\"\u003e\n\u003cp data-start=\"843\" data-end=\"898\"\u003eClean front and rear elements with a microfiber cloth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"956\"\u003e\n\u003cp data-start=\"901\" data-end=\"956\"\u003eUse a lens hood to reduce flare and protect the glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"957\" data-end=\"1004\"\u003e\n\u003cp data-start=\"959\" data-end=\"1004\"\u003eStore in a dry, padded case when not in use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1005\" data-end=\"1048\"\u003e\n\u003cp data-start=\"1007\" data-end=\"1048\"\u003eAvoid touching optics with bare fingers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1100\"\u003e\n\u003cp data-start=\"1051\" data-end=\"1100\"\u003eKeep caps on when the lens is off the camera body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Leica","offers":[{"title":"Default Title","offer_id":54162619007260,"sku":"1304841","price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/media_6a1159d4-a35d-46fd-b6e3-23d6b1956aa6_7.jpg?v=1780150691","url":"https:\/\/www.mybackyardzone.com\/products\/leica-21mm-f4-super-angulon-1676729","provider":"Backup Power Made Simple","version":"1.0","type":"link"}