{"product_id":"carl-zeiss-jena-flektogon-50mm-f-4","title":"Carl Zeiss Jena Flektogon 50mm f\/4","description":"\u003ch3 data-path-to-node=\"0\"\u003eCarl Zeiss Jena Flektogon 50mm f\/4 | S\/N: 9852487\u003c\/h3\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003eCarl Zeiss Jena Flektogon 50mm f\/4 Manual Focus Medium Format Wide-Angle Prime Lens - Good Condition | Iconic East German Architecture Featuring Ultra-Wide 6x6 Frame Geometry, Generous Bellows Travel, and Native Pentacon Six Bayonet Mount\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eIntroductory Paragraph\u003c\/b\u003e The \u003cb data-path-to-node=\"2\" data-index-in-node=\"27\"\u003eCarl Zeiss Jena Flektogon 50mm f\/4\u003c\/b\u003e is a legendary, professional-tier medium format wide-angle manual focus prime lens masterfully engineered by Carl Zeiss Jena in East Germany (DDR). Highly celebrated for its advanced inverted-telephoto retrofocus architecture, it was custom-built to illuminate the massive 6x6cm square film negatives of legendary medium format SLR platforms like the Pentacon Six, Praktisix, and Kiev 60 systems. Featuring an ultra-wide angle of view (~76 degrees diagonally) that translates roughly to a sweeping 28mm wide-angle equivalent perspective on standard full-frame sensors, this highly scannable \u003cb data-path-to-node=\"2\" data-index-in-node=\"653\"\u003eCarl Zeiss Jena\u003c\/b\u003e lens yields breathtaking sharpness, minimal straight-line optical distortion, and spectacular edge-to-edge rendering separation. It stands out as an exceptionally satisfying, ruggedly constructed tool for fine-art landscape photographers, architectural documentarians, and digital medium format or mirrorless format adaptors seeking a signature retro drawing character.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003eAdvanced \u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"9\"\u003e7-element in 4-groups retrofocus optical layout\u003c\/b\u003e, mitigating wide-angle edge distortion to deliver straight, highly corrected lines across massive medium-format frames.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003eSweeping \u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"9\"\u003e50mm wide-angle medium format perspective field\u003c\/b\u003e, compressing immense landscapes and grand architectural structures into highly detailed master compositions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003eNative \u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"7\"\u003eheavy-duty Pentacon Six (P6) steel breech-lock mount system\u003c\/b\u003e, providing rock-steady physical docking alignment onto vintage SLR chassis or modern digital system adapters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003eIncredible \u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"11\"\u003e0.5-meter extreme close-focusing distance boundary\u003c\/b\u003e, allowing close-up macro foreground indexing combined with expansive, sweeping background perspective context.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,4,0\"\u003eRobust \u003cb data-path-to-node=\"4,4,0\" data-index-in-node=\"7\"\u003eall-metal industrial barrel housing craftsmanship\u003c\/b\u003e, featuring deep, tactile ribbed control surfaces designed to perform consistently in demanding field conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,5,0\"\u003eFully \u003cb data-path-to-node=\"4,5,0\" data-index-in-node=\"6\"\u003eautomatic mechanical aperture actuator pin network\u003c\/b\u003e, letting the camera body maintain wide-open framing brightness until the split-second the shutter trips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,6,0\"\u003eGenerous \u003cb data-path-to-node=\"4,6,0\" data-index-in-node=\"9\"\u003eoversized glass elements and deep image circle projection\u003c\/b\u003e, making it a prime candidate for tilt-shift adaptive configurations on smaller digital sensor arrays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eCondition Report\u003c\/b\u003e Good condition. \u003cb data-path-to-node=\"5\" data-index-in-node=\"33\"\u003eBody:\u003c\/b\u003e Standard light use, showing typical minor cosmetic paint scuffs on the anodized black aluminum barrel exterior and slight handling rub lines along the raised focus ring ridges. The metal mounts are clean and seat with strict precision. \u003cb data-path-to-node=\"5\" data-index-in-node=\"275\"\u003eSensor\/Optics:\u003c\/b\u003e Lens elements are bright and clear. The internal optical path is completely free from internal fungus, heavy haze, optical separation, or deep glass scratches. Note: The inner lens barrels show minor, typical vintage \"schneideritis\" (superficial micro-flecking of the black internal anti-reflective paint layer), which is entirely normal for this era and has absolutely zero impact on image contrast or final exposure clarity. \u003cb data-path-to-node=\"5\" data-index-in-node=\"717\"\u003eMechanics\/Electronics:\u003c\/b\u003e Fully operational. The massive manual focus ring turns evenly through its comprehensive 300-degree throw with a nicely dampened mechanical resistance, the manual aperture selector clicks decisively into every detent, the rear automatic linkage mechanism responds snappily, and the internal aperture blades are completely dry and oil-free.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eSpecialist Note\u003c\/b\u003e \"The Flektogon 50mm f\/4 is a monumental lens in the evolution of wide-angle vintage optics. Before this retrofocus marvel arrived, medium format wide lenses were notoriously soft at the edges and prone to severe vignetting. Zeiss solved it beautifully here, crafting a lens that resolves crisp, professional detail across the entire 6x6 square format. What makes it extra exciting today is its massive image circle; because it was built to cover a huge piece of film, you can adapt it onto a full-frame or crop-sensor digital mirrorless body and utilize the absolute sweet spot of the glass. Using a simple shift adapter turns this vintage workhorse into a highly precise, budget-friendly architectural shift lens that delivers gorgeous micro-contrast and deep, rich East German color rendering. It is a completely transparent, deeply satisfying piece of vintage glass to operate.\"\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eWhat's Included\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eCarl Zeiss Jena Flektogon 50mm f\/4\u003c\/b\u003e Wide-Angle Prime Lens (S\/N: 9852487)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003eFront Protective Lens Cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003eRear Pentacon Six Mount Protective Dust Cap\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003eBrand: \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"7\"\u003eCarl Zeiss Jena (DDR)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003eModel: \u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"7\"\u003eFlektogon 50mm f\/4\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003eLens Type: Wide-Angle Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003eLens Mount: Pentacon Six (P6) \/ Kiev 60 Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003eFocal Length: 50mm (Equivalent to ~28mm on 35mm Full-Frame Format)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003eMaximum Aperture: f\/4.0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,0\"\u003eMinimum Aperture: f\/22\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,7,0\"\u003eMinimum Focus Distance: 0.5m (1.6 feet)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,8,0\"\u003eOptical Construction: 7 Elements in 4 Groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,9,0\"\u003eFocus Type: Manual Focus Only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,10,0\"\u003eCategory: 2. Lenses ▸ Wide-Angle Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,11,0\"\u003eBattery Type: None Required (Fully Mechanical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Zeiss","offers":[{"title":"Default Title","offer_id":56063782125908,"sku":"A37W4664BG","price":139.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2493\/3716\/files\/IMG_4620_fef83c99-377b-4782-9b8f-9642f860b1ec.jpg?v=1781008258","url":"https:\/\/www.htf-store.com\/ar\/products\/carl-zeiss-jena-flektogon-50mm-f-4","provider":"Hard to Find Camera Store","version":"1.0","type":"link"}