{"product_id":"leica-21mm-f1-4-summilux-m-4172722","title":"Leica 21mm f1.4 Summilux-M 4172722","description":"\u003ch2\u003eLeica 21mm f1.4 Summilux-M 4172722\u003c\/h2\u003e\n\u003cp\u003eThis Leica 21mm f1.4 Summilux-M #4172722 is in good condition with minor handling and edge wear. I rate it cosmetically (8+). The focus and aperture knobs and the aperture functions properly. The glass is clean and clear with no haze, marks, or fungus. This includes a rear cap and hood. Please refer to the photos for details.\u003c\/p\u003e\n\u003ch5 data-start=\"0\" data-end=\"30\"\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"31\" data-end=\"629\"\u003e\n\u003cli data-start=\"31\" data-end=\"188\"\u003e\n\u003cp data-start=\"33\" data-end=\"188\"\u003e\u003cstrong data-start=\"33\" data-end=\"66\"\u003eUltra‑wide 21 mm focal length\u003c\/strong\u003e delivers expansive scenes with minimal distortion — ideal for landscapes, architecture, and environmental storytelling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"189\" data-end=\"310\"\u003e\n\u003cp data-start=\"191\" data-end=\"310\"\u003e\u003cstrong data-start=\"191\" data-end=\"214\"\u003eFast f\/1.4 aperture\u003c\/strong\u003e offers strong low‑light performance and creative control over depth of field at a wide angle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"311\" data-end=\"434\"\u003e\n\u003cp data-start=\"313\" data-end=\"434\"\u003e\u003cstrong data-start=\"313\" data-end=\"342\"\u003eSummilux‑M optical design\u003c\/strong\u003e provides superb sharpness, excellent contrast, and rich tonal rendering across the frame.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"435\" data-end=\"522\"\u003e\n\u003cp data-start=\"437\" data-end=\"522\"\u003e\u003cstrong data-start=\"437\" data-end=\"470\"\u003ePrecision‑crafted Leica build\u003c\/strong\u003e with smooth manual focus and robust construction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"523\" data-end=\"629\"\u003e\n\u003cp data-start=\"525\" data-end=\"629\"\u003eExcellent choice for photographers seeking premium ultrawide performance with classic Leica character.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"631\" data-end=\"642\"\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"643\" data-end=\"1124\"\u003e\n\u003cli data-start=\"643\" data-end=\"738\"\u003e\n\u003cp data-start=\"645\" data-end=\"738\"\u003e\u003cstrong data-start=\"645\" data-end=\"651\"\u003eQ:\u003c\/strong\u003e What mount does this lens use?\u003cbr data-start=\"682\" data-end=\"685\"\u003e\u003cstrong data-start=\"687\" data-end=\"693\"\u003eA:\u003c\/strong\u003e Leica \u003cstrong data-start=\"700\" data-end=\"711\"\u003eM‑mount\u003c\/strong\u003e for rangefinder cameras.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"739\" data-end=\"863\"\u003e\n\u003cp data-start=\"741\" data-end=\"863\"\u003e\u003cstrong data-start=\"741\" data-end=\"747\"\u003eQ:\u003c\/strong\u003e Is it good in low light?\u003cbr data-start=\"772\" data-end=\"775\"\u003e\u003cstrong data-start=\"777\" data-end=\"783\"\u003eA:\u003c\/strong\u003e Yes — the f\/1.4 aperture excels in dim conditions and gives creative control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"864\" data-end=\"988\"\u003e\n\u003cp data-start=\"866\" data-end=\"988\"\u003e\u003cstrong data-start=\"866\" data-end=\"872\"\u003eQ:\u003c\/strong\u003e What photography styles suit this lens?\u003cbr data-start=\"912\" data-end=\"915\"\u003e\u003cstrong data-start=\"917\" data-end=\"923\"\u003eA:\u003c\/strong\u003e Landscapes, architecture, street, and environmental portraits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"989\" data-end=\"1124\"\u003e\n\u003cp data-start=\"991\" data-end=\"1124\"\u003e\u003cstrong data-start=\"991\" data-end=\"997\"\u003eQ:\u003c\/strong\u003e Does it produce pleasing bokeh?\u003cbr data-start=\"1029\" data-end=\"1032\"\u003e\u003cstrong data-start=\"1034\" data-end=\"1040\"\u003eA:\u003c\/strong\u003e Yes — wide aperture provides attractive background rendering even at wide angles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"1126\" data-end=\"1150\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"1151\" data-end=\"1566\"\u003e\n\u003cli data-start=\"1151\" data-end=\"1264\"\u003e\n\u003cp data-start=\"1153\" data-end=\"1264\"\u003eClean front and rear elements with a \u003cstrong data-start=\"1190\" data-end=\"1226\"\u003esoft blower and microfiber cloth\u003c\/strong\u003e; avoid touching the glass directly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1265\" data-end=\"1321\"\u003e\n\u003cp data-start=\"1267\" data-end=\"1321\"\u003eKeep lens caps on when not in use to protect optics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1322\" data-end=\"1395\"\u003e\n\u003cp data-start=\"1324\" data-end=\"1395\"\u003eStore in a \u003cstrong data-start=\"1335\" data-end=\"1359\"\u003epadded case or pouch\u003c\/strong\u003e to prevent impact or dust damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1396\" data-end=\"1470\"\u003e\n\u003cp data-start=\"1398\" data-end=\"1470\"\u003eWipe the barrel with a soft, dry cloth; avoid harsh chemical cleaners.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1471\" data-end=\"1566\"\u003e\n\u003cp data-start=\"1473\" data-end=\"1566\"\u003ePeriodically check the focus ring smoothness and keep free of dust for best manual operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Leica","offers":[{"title":"Default Title","offer_id":54162628346140,"sku":"1784903","price":4795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/1784903-00_14.jpg?v=1780150901","url":"https:\/\/www.mybackyardzone.com\/products\/leica-21mm-f1-4-summilux-m-4172722","provider":"Backup Power Made Simple","version":"1.0","type":"link"}