{"product_id":"mamiya-sekor-zoom-75-150mm-f-4-5","title":"Mamiya-Sekor Zoom 75-150mm f\/4.5","description":"\u003ch3 data-path-to-node=\"0\"\u003eMamiya-Sekor Zoom 75-150mm f\/4.5 | S\/N: Checked \/ Secure\u003c\/h3\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003eMamiya-Sekor Zoom 75-150mm f\/4.5 Manual Focus Telephoto Zoom Lens - Good Condition | Rare Medium Format Telephoto Zoom Featuring Constant f\/4.5 Aperture, Robust All-Metal Mechanics, and Legendary Mamiya 645 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\"\u003eMamiya-Sekor Zoom 75-150mm f\/4.5\u003c\/b\u003e is a beautifully over-engineered, professional manual focus medium format telephoto zoom lens built by Mamiya in Japan. Designed specifically for the iconic Mamiya 645 multi-format film system, it features a highly versatile focal range that bridges standard portrait compression with deep telephoto isolation, all while maintaining a constant f\/4.5 maximum aperture across the entire zoom profile. Constructed with a heavy-duty all-metal barrel chassis, this highly scannable \u003cb data-path-to-node=\"2\" data-index-in-node=\"537\"\u003eMamiya\u003c\/b\u003e lens renders images with spectacular micro-contrast, vibrant color fidelity, and minimal edge-to-edge optical aberration, offering a deeply satisfying, transparent workflow for analog studio portrait artists, landscape documentarians, and adapted digital mirrorless medium format cinematographers.\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\"\u003eConstant \u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"9\"\u003ef\/4.5 maximum aperture tracking symmetry\u003c\/b\u003e, ensuring completely predictable, steady light gathering capabilities and depth-of-field control throughout the entire zoom range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003eVersatile \u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"10\"\u003e75-150mm medium format focal zoom coverage layout\u003c\/b\u003e, delivering a highly compressed field of view roughly equivalent to a 45-90mm lens on standard 35mm format.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003eHigh-performance \u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"17\"\u003emulti-layered optical glass element multi-coating\u003c\/b\u003e, dramatically neutralizing internal structural ghosting and flare while boosting micro-contrast.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003eHeavy-duty \u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"11\"\u003eall-metal industrial barrel housing engineering design\u003c\/b\u003e, guaranteeing exceptional mechanical field durability under rigorous, professional studio or travel schedules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,4,0\"\u003eDual \u003cb data-path-to-node=\"4,4,0\" data-index-in-node=\"5\"\u003eindependent rotational manual focus and manual zoom ring layouts\u003c\/b\u003e, providing precise, tactile mechanical dampening for smooth compositional tracking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,5,0\"\u003eProfessional \u003cb data-path-to-node=\"4,5,0\" data-index-in-node=\"13\"\u003e9-blade circular manual aperture diaphragm network\u003c\/b\u003e, shaping out-of-focus background details into an exceptionally smooth, painterly bokeh rendering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,6,0\"\u003eNative \u003cb data-path-to-node=\"4,6,0\" data-index-in-node=\"7\"\u003eMamiya 645 breech-lock bayonet mount geometry\u003c\/b\u003e, locking with absolute mechanical rigidity onto vintage film bodies or modern digital medium format adapters.\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 signs of professional use, showing typical minor superficial scuffs on the black anodized outer metal barrel and tiny finish rub lines along the knurled metal focus grip ridges. The rear mounting flanges are clean and seat firmly. \u003cb data-path-to-node=\"5\" data-index-in-node=\"285\"\u003eSensor\/Optics:\u003c\/b\u003e Lens elements are bright and clear. The internal optical glass path is completely free from internal fungus, heavy haze, optical separation, or deep glass scratches. \u003cb data-path-to-node=\"5\" data-index-in-node=\"466\"\u003eMechanics\/Electronics:\u003c\/b\u003e Fully operational. The dedicated manual focus ring turns evenly with a silky mechanical feel, the zoom ring rotates uniformly without catching or barrel creep, and the aperture selector clicks decisively into every stop with clean, dry, oil-free internal blades.\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 Mamiya-Sekor 75-150mm f\/4.5 is a remarkable piece of vintage engineering because creating a high-performance zoom lens for the massive image circle of medium format film was incredibly difficult back then. Mamiya absolutely nailed it with this model—it is famously sharp right from wide open at f\/4.5, offering a constant aperture so you don't lose light when zooming in on a subject. It renders textures with that signature, rich Mamiya medium format pop and micro-contrast. Whether you are locking it onto a classic M645 film body or adapting it onto a modern digital mirrorless system, it feels completely transparent, rewarding, and built to survive anything.\"\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\"\u003eMamiya-Sekor Zoom 75-150mm f\/4.5\u003c\/b\u003e Telephoto Zoom Lens (S\/N: Checked \/ Secure)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003eFront Protective Clip-On Lens Cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003eRear Mamiya 645 Mount Protective 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\"\u003eMamiya\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\"\u003eMamiya-Sekor Zoom 75-150mm f\/4.5\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003eLens Type: Telephoto Zoom Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003eLens Mount: Mamiya 645 Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003eFocal Length: 75-150mm (Medium Format 6x4.5)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003eMaximum Aperture: f\/4.5 (Constant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,0\"\u003eMinimum Aperture: f\/32\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,7,0\"\u003eFocus Type: Manual Focus Only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,8,0\"\u003eCategory: 2. Lenses ▸ Telephoto Zoom Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,9,0\"\u003eBattery Type: None Required (Fully Mechanical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mamiya","offers":[{"title":"Default Title","offer_id":56029206937940,"sku":"A34W4656SK","price":159.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2493\/3716\/files\/IMG_4572.jpg?v=1780672723","url":"https:\/\/www.htf-store.com\/fr\/products\/mamiya-sekor-zoom-75-150mm-f-4-5","provider":"Hard to Find Camera Store","version":"1.0","type":"link"}