MAMIYA RZ67 PROFESSIONAL

The Mamiya RZ67 Professional is a modular, medium-format single-lens reflex (SLR) camera introduced in 1982. It is the electronic evolution of the well-regarded Mamiya RB67 Professional. It was built for studio and professional field use, and it pairs mechanical precision with electronic shutter control, interchangeable components, and a 90° revolving film back.

Overview

Mamiya developed the RZ67 Professional for photographers who needed high image quality, system flexibility, and precise exposure control. Released in 1982, it succeeded the manually operated RB67 and moved Mamiya's medium-format lineup toward electronic shutters. The RB67 used fully mechanical leaf shutters in the lenses. The RZ67 uses electronically timed leaf shutters in the lenses instead, which gives more accurate exposure control, TTL flash metering, and compatibility with automated studio lighting systems.

The RZ67 was aimed at studio, portrait, fashion, and commercial photographers, and it was engineered for maximum modularity. The system takes interchangeable film backs, viewfinders, focusing screens, and a wide array of lenses, from 50mm wide-angle to 500mm telephoto. The 6×7 cm negative is exceptionally detailed and wastes less film than 6×6 or 6×9 formats, which makes it a good fit for high-end reproduction and large-format printing.

The big feature is the rotating (revolving) film back. The photographer can switch between horizontal and vertical compositions without moving the camera, which matters in a studio where the lighting setup is hard to alter. The die-cast aluminum body carries a bellows-based lens mount. That allows close focusing and limited tilt/shift movements with optional accessories. The RZ67 stayed in production until 1993, when the RZ67 Pro II replaced it, adding improved battery efficiency and enhanced flash synchronization.

Specifications

Key Features

• Electronic Leaf Shutter Lenses: Enables precise shutter speeds up to 1/400 sec and flash sync at all speeds, a significant advantage over focal-plane shutter medium-format cameras.
• 90° Revolving Film Back: Allows instant switching between horizontal and vertical formats without moving the camera, ideal for studio work.
• Modular System Design: Fully interchangeable film backs, viewfinders, lenses, and focusing screens support diverse shooting scenarios.
• TTL Metering and Shutter-Priority AE: With the optional AE Prism Finder, the camera supports automatic exposure, improving workflow efficiency.
• Bellows Focusing Unit: Permits close focusing without additional accessories and supports limited lens movements for macro and product photography.

Historical Context

The RZ67 Professional arrived while medium-format photography was shifting technologically. Mechanical cameras like the Hasselblad 500 series and the original Mamiya RB67 dominated the market. Demand was growing for electronic automation, faster flash sync, and better metering accuracy, especially in commercial and studio work. The RZ67 answered with electronic shutter control, and it kept the modularity and image quality expected from a professional system camera.

Mamiya positioned the RZ67 as a direct upgrade to the RB67, with faster operation and better integration with electronic flash systems. It competed mainly with the Bronica SQ-A, Hasselblad 503CW, and later the Contax 645. The Bronica is square format and the Hasselblad is 6×6, while the RZ67's 6×7 format gave a more cinematic aspect ratio and a larger negative area (56 × 69 mm). That means superior resolution and tonal gradation. The camera gained a strong following among fashion and portrait photographers, including Annie Leibovitz, who used the RZ67 extensively in studio settings.

Collectibility & Value

The RZ67 Professional is highly sought after on the used and vintage market, particularly among film photographers and collectors interested in medium-format systems. Prices vary, but a complete kit with body, lens, film back, and finder typically sells for $800-$1,500 depending on condition and accessories. Lenses such as the 110mm f/2.8 and 180mm f/4.5 are especially prized for their sharpness and speed.

Buyers should inspect an RZ67 for shutter inaccuracies (especially at high speeds), battery corrosion in the body or lenses, and the condition of the light seals on the film back. The electronic shutters depend on consistent battery power. Weak batteries can cause underexposure or failure to fire. The revolving back may develop play or light leaks if the seals are degraded. The camera is repairable, but servicing needs technicians familiar with medium-format electronics.

The RZ67 is still functional because film backs, lenses, and technical support from specialty repair shops remain available. The build is sturdy and the optics are high quality.

Similar Cameras

• Hasselblad 503CW – 6×6 cm SLR with modular design and excellent optics; slower flash sync (1/125 sec) but renowned image quality.
• Bronica SQ-Ai – 6×6 cm SLR with interchangeable backs and lenses; more affordable but less refined than the RZ67.
• Pentax 6×7 – 6×7 cm SLR with fixed back; exceptional optics but bulkier and less modular.
• Contax 645 – Later 6×4.5 cm autofocus SLR; more modern but smaller negative size.
• Mamiya RB67 Pro-S/Pro-SD – Mechanical predecessor to the RZ67; heavier but prized for durability and simplicity.

Repair & Maintenance

The RZ67 Professional uses 4× SR44 (or equivalent LR44) batteries for the body's metering and shutter control. Certain lenses (e.g., 110mm f/2.8) need an additional CR1/3N battery for the leaf shutter. Battery corrosion is common, especially in older units, and should be checked during inspection. Regular maintenance includes replacing light seals every 5-10 years, cleaning focusing screens, and verifying shutter accuracy with a timer.

The electronic shutters are generally reliable but may drift over time. Calibration takes specialized equipment and is best done by technicians experienced with Mamiya's RZ system. The revolving back's rotation mechanism should operate smoothly without light leaks, so check for worn seals or misalignment. The RZ67 is more complex than its mechanical counterparts.

eBay Listings

Mamiya RZ67 Professional 6x7 Medium Format Camera Body w/ Wa

$445

Mamiya RZ67 Professional With Prism Finder 5 Film Holders Po

$1,600

Mamiya RZ67 Professional 120 Medium Format Camera w/ Sekor Z

$990

[NEAR MINT] Mamiya RZ67 Professional Mamiya-Sekor Z 90mm len

$770

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