{"product_id":"aus-jena-tessar-50mm-f-2","title":"aus Jena Tessar 50mm f\/2.","description":"\u003ch3 data-path-to-node=\"0\"\u003eaus Jena Tessar 50mm f\/2.8 | S\/N: 9525523\u003c\/h3\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003eaus Jena Tessar 50mm f\/2.8 Standard Prime Lens - Good Condition | Vintage Export-Variant M42 Screw Mount Lens with Historic Carl Zeiss Tessar \"Eagle Eye\" Optical Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"image-container spark-licensed-center hide-from-message-actions ng-star-inserted\" data-full-size-image-uri=\"https:\/\/richardhaw.com\/wp-content\/uploads\/2021\/09\/img_4965.jpg\"\u003e\n\u003cdiv class=\"overlay-container hero-overlay-container ng-star-inserted\"\u003e\n\u003cdiv class=\"hero-caption-row ng-star-inserted\"\u003e\n\u003cdiv aria-hidden=\"true\" class=\"caption gds-extended-caption hero-caption ng-star-inserted\"\u003eaus Jena Tessar 50mm f\/2.8 Lens Design. \u003cspan class=\"ng-star-inserted\"\u003eBron:\u003c\/span\u003e Richard Haw's Classic Nikon Repair and Review\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\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\"\u003eaus Jena Tessar 50mm f\/2.8\u003c\/b\u003e is a historic manual focus standard prime lens produced by Carl Zeiss Jena in the former German Democratic Republic (DDR). Due to trademark restrictions in western markets at the time, these exceptional lenses were engraved with the \"aus Jena\" (from Jena) designation rather than the full Carl Zeiss company name. Built around the world-famous, ultra-sharp four-element \u003cb data-path-to-node=\"2\" data-index-in-node=\"424\"\u003eTessar\u003c\/b\u003e optical formula, this lens delivers striking center resolution, remarkable micro-contrast, and beautiful color rendition. Outfitted with the universal M42 screw mount, this highly scannable lens is highly prized by analog enthusiasts and digital mirrorless video creators for its compact form factor and signature vintage punch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003eLegendary \u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"10\"\u003efour-element Tessar optical layout\u003c\/b\u003e, widely nicknamed the \"Eagle Eye\" for its crisp central details and minimal optical distortion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003eClassic \u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"8\"\u003e50mm standard focal length perspective\u003c\/b\u003e, replicating a natural human field of view for street photography, documentary work, and candid portraiture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003eFast \u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"5\"\u003ef\/2.8 maximum aperture layout\u003c\/b\u003e, providing comfortable shallow depth-of-field control and a lovely, organic circular bokeh profile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003eSpecular \u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"9\"\u003ehigh-grade amber single-coating layer\u003c\/b\u003e, effectively containing internal reflections while bolstering rich image contrast under tricky light.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003eTactile \u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"8\"\u003eAuto\/Manual aperture override selection pin\u003c\/b\u003e, allowing effortless manual stop-down exposure tracking when using modern digital system adapters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\"\u003eClose \u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"6\"\u003e0.35-meter minimum focusing distance path\u003c\/b\u003e, empowering photographers to isolate intimate close-up subjects against a smoothly blurred background.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,6,0\"\u003eUniversal \u003cb data-path-to-node=\"5,6,0\" data-index-in-node=\"10\"\u003eM42 screw thread mount geometry\u003c\/b\u003e, connecting natively to classic film bodies or easily adapting to modern mirrorless digital sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eCondition Report\u003c\/b\u003e Good condition. \u003cb data-path-to-node=\"6\" data-index-in-node=\"33\"\u003eBody:\u003c\/b\u003e Shows standard, honest signs of previous creative use, including light superficial scuffs on the anodized barrel surface and typical minimal bright marks along the raised ridges of the focusing ring. The rear M42 threads are clean, crisp, and screw down evenly. \u003cb data-path-to-node=\"6\" data-index-in-node=\"301\"\u003eSensor\/Optics:\u003c\/b\u003e The internal glass elements are clean and clear. The optics are free from internal fungus, heavy haze, optical separation, or deep glass scratches; normal minimal micro-dust is visible under close flashlight inspection but does not alter performance or contrast. \u003cb data-path-to-node=\"6\" data-index-in-node=\"579\"\u003eMechanics:\u003c\/b\u003eFully operational. The manual focus ring rotates uniformly with a smooth feel across the entire distance scale, the aperture selection ring clicks clearly into place at every stop, and the aperture blades are dry, entirely free of oil, and close down instantly.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eSpecialist Note\u003c\/b\u003e \"The 'aus Jena' branding tells a fascinating cold-war story of export restrictions, but underneath the engraving, this is a pure, top-tier Carl Zeiss Jena Tessar through and through. Vintage shooters love this specific variant because the four-element lens formula delivers an unmistakable micro-contrast that makes subjects pop off the screen in a way that modern computer-optimized lenses rarely do. When shot wide open at f\/2.8, it renders a gorgeous, painterly background separation that gives film photography and modern digital video clips a completely transparent, premium retro character.\"\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eWhat's Included\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eaus Jena Tessar 50mm f\/2.8\u003c\/b\u003e Standard Prime Lens (S\/N: 9525523)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003eFront Protective Clip-On Lens Cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003eRear M42 Screw Mount Protective Cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e[Note: This is a fully mechanical, manual focus vintage lens; it contains no electronic components and requires no battery power to operate.]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003eBrand: \u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"7\"\u003eaus Jena\u003c\/b\u003e (Carl Zeiss Jena)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003eModel: \u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"7\"\u003eTessar 50mm f\/2.8\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003eLens Type: Prime Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003eLens Mount: M42 Screw Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003eFocal Length: 50mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\"\u003eMaximum Aperture: f\/2.8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,6,0\"\u003eMinimum Aperture: f\/22\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,7,0\"\u003eFocus Type: Manual Focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,8,0\"\u003eCategory: 2. Lenses ▸ Prime Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,9,0\"\u003eBattery Type: None Required (Fully Mechanical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"aus JENA","offers":[{"title":"Default Title","offer_id":56004294476116,"sku":"A61W4628BG","price":69.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2493\/3716\/files\/IMG_4414_c0df4210-bfbd-4773-8fa3-f532c6fb792b.jpg?v=1780404163","url":"https:\/\/www.htf-store.com\/de\/products\/aus-jena-tessar-50mm-f-2","provider":"Hard to Find Camera Store","version":"1.0","type":"link"}