Duclos Lenses
Retailer / private label
UnclaimedDuclos Lenses is a US-based cine lens specialist offering sales, service, repair, and its proprietary Cine-Mod® modification service for motion-picture optics.
Last updated September 26, 2026
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Overview
Duclos Lenses is an American specialist in motion-picture and cine optics, operating as a combined retailer, service workshop, and modifier of professional lenses. According to its own company history, the business was founded in 1979 by Paul Duclos, growing out of hands-on experience and passion for cinema glass. Over the decades it has become known in the film and television production community as a resource for buying, servicing, and customizing high-end cine lenses. The company's activities span several connected areas. It sells new and used cine lenses, including large-format (LF) cine zooms, high-speed prime sets, and anamorphic lenses, organized by brand. It also runs a substantial service and repair operation covering cine lens repair, still lens repair, polishing and coating, and Hedén motor service. In addition, Duclos offers proprietary modifications, most notably the Cine-Mod® process, along with specialized conversions such as the Fujinon MK-R (RF mount) and Canon CN-E PL conversions. The company also provides evaluation and grading services under names such as SPEC DEV EVALUATION, CLeW Grade, and LensLine Service+. Beyond lenses themselves, Duclos Lenses sells a wide range of accessories and tools aimed at professional camera crews and lens technicians: lens caps, filters, front rings, cases and bags, clamp-ons, mounts and adapters, optical adapters, rods and support, motors and brackets, carry handles, lens tech tools, tech supplies, test charts, and even a bookstore and branded apparel. This breadth positions the company as a one-stop supplier for lens departments rather than a pure repair shop. The company also maintains an education program (EDU Program), a dealer network, and a financing option for customers, reflecting its role as a full-service partner to the production industry. Its website serves as both an e-commerce storefront and a technical resource, with intake forms, install guides, FAQs, and a service journal. Duclos Lenses is privately held and does not appear to be part of a larger publicly traded group; it operates primarily from the United States while serving an international clientele through shipping and dealers.
History
Duclos Lenses traces its origins to 1979, when Paul Duclos began the business that would become a recognized name in cine lens sales and service. The company's own history page frames the founding as being "founded on experience and passion," indicating that the enterprise grew out of practical, hands-on work with motion-picture optics rather than as a purely commercial venture. Over the following decades, Duclos Lenses developed a reputation in the professional film and television industry as a specialist in cine lenses. Its activities expanded from basic sales and repair into a broader set of technical services. The company became known for servicing both cine and still lenses, and for offering polishing and coating work as well as motor service for Hedén lens motors. These capabilities positioned it as a workshop that could handle not only routine maintenance but also more specialized optical and mechanical work. A significant part of the company's identity is its modification business. Duclos developed the Cine-Mod® process, a proprietary service for converting and adapting lenses for cinema use. It also offers specific conversions such as the Fujinon MK-R (RF mount) and Canon CN-E PL modifications, which adapt popular lens models to different camera mounts and production needs. Alongside these, the company provides evaluation and grading services under names including SPEC DEV EVALUATION, CLeW Grade, and LensLine Service+. In addition to its service and modification work, Duclos Lenses operates as a retailer of cine lenses and related equipment. Its online store organizes lenses by brand and category, including large-format cine zooms, high-speed prime sets, and anamorphic lenses. The company also sells a wide array of accessories and tools, from lens caps and filters to mounts, adapters, support systems, test charts, and technical supplies. This retail side is supported by a quality-control process and financing options for customers. Duclos Lenses has also invested in education and community. It runs an EDU Program and maintains a dealer network, and its website includes resources such as intake forms, install guides, FAQs, and a service journal. The company presents itself as a long-standing, specialist partner to lens technicians and production crews. It remains privately held and continues to operate as an active business in the cine lens market.
- 1979
Paul Duclos begins the business that becomes Duclos Lenses.
Duclos Lenses develops and offers the proprietary Cine-Mod® lens modification service.
Company offers specialized conversions including Fujinon MK-R (RF mount) and Canon CN-E PL.
Duclos Lenses operates an online store selling cine lenses, accessories, and tools.
Products and positioning
Specialist cine lens retailer, service workshop, and modifier serving professional film and television production.
Cine-Mod®
Proprietary lens modification service for cinema use.
Fujinon MK-R (RF Mount) conversion
Conversion service adapting Fujinon MK lenses to RF mount.
Canon CN-E PL conversion
Conversion service for Canon CN-E lenses to PL mount.
Hedén Motor Service
Service for Hedén lens motors.
CLeW Grade
Lens evaluation and grading service.
LensLine Service+
Enhanced lens service program.
Zunow 14-25mm T2.5i
Cine zoom lens sold by Duclos Lenses.
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