Name: Bronica Motor Winder-Ei for ETR, ETRS, ETR-Si
Brand: Bronica
SKU: UET-16-9900-4 NA0760
Price: 91.46 USD
Availability: InStock

Displays noticeable wear including visible dings and scratches. Fully operational and includes all items shown in the listing photos. Glass elements may have slight imperfections not affecting image quality. The actual item for sale is pictured unless specifically noted otherwise. The condition rating applies to the core item and not any accessories.

Boost your Bronica ETR workflow with the Motor Winder-Ei for faster film advance and smoother shooting. Explore this trusted accessory today.

The Bronica ETRS is a 645 medium format film camera known for its modular design, reliability, and high-quality image output. Ideal for professional and enthusiast photographers, it offers interchangeable lenses, viewfinders, and film backs, making it versatile for various photographic needs.

Features interchangeable lenses, viewfinders, and film backs for maximum flexibility.

Modular Design

Produces high-resolution images with a 6x4.5 cm frame size on 120/220 roll film.

645 Medium Format

Equipped with a leaf shutter system for precise exposure control.

Reliable Shutter Mechanism

Allows for mid-roll film changes and the use of different film types.

Interchangeable Film Backs

The Bronica ETRSi is a **medium format SLR** film camera built around the **Bronica ETR lens mount** and produced during the **1980s**. It is designed to work with **120 and 220 film**, accommodating photographers who want to maximize exposures per roll or prefer the more common 120 format. At the heart of its optical system is a **leaf shutter** mechanism, which is housed in the lens rather than the body — a configuration that enables broad flash synchronization capability. Flash options include a **hot shoe** and a **PC sync port**, making the ETRSi adaptable to a wide variety of lighting setups. The camera accepts **interchangeable, brand-specific lenses** via the Bronica ETR mount, supporting a versatile range of focal lengths across the ETR system. Focusing is **manual**, in keeping with the deliberate workflow of medium format film photography. The body weighs between **1,400g and 1,600g**, reflecting its robust, modular construction. For film photographers seeking a capable and well-supported 645 medium format system, the ETRSi remains a compelling choice.

Shoots 6×4.5cm frames on 120 or 220 film, yielding significantly more detail than 35mm for enlargements and studio work.

645 Medium Format SLR

The shutter sits inside each ETR-mount lens rather than the body, enabling full flash sync at all shutter speeds — a key advantage for strobe and location lighting.

Lens-Integrated Leaf Shutter

Accepts both film formats, allowing shooters to choose between standard roll lengths or double-length 220 rolls for more exposures per reload.

120 and 220 Film Support

Interchangeable film backs, viewfinders, and lenses allow the camera to be configured and reconfigured to suit different shooting needs.

Modular System Architecture

Provides access to a full range of Zenzanon ETR lenses, from wide-angle to telephoto, all with the leaf shutter built in.

Bronica ETR Lens Mount

A PC sync port enables connection to a wide range of studio strobes and portable flash units at full sync speed.

PC Sync Flash Port

All focusing is done manually via the lens, suiting the deliberate pace of medium format film shooting and offering precise control.

Manual Focus Operation

Film backs can be swapped mid-roll, allowing a single body to switch between film stocks or formats without wasting exposures.

User Manual

Bronica ETRS 645 Medium Format Film Camera

Bronica ETRSi Medium Format Camera

2026-01-28-tier2-minorbrands

Can You Get a Good Medium Format Camera for under $1,000?

Bronica ETRSi Review — Compact 645 Medium Format

Zenza Bronica ETRSi | REVIEW

The Bronica Motor Winder-Ei is a practical accessory for ETR, ETRS, and ETR-Si users who want faster, more consistent film advancement in the field or studio. This good-condition motor winder is a useful addition for photographers looking to streamline their shooting workflow while keeping their Bronica system ready for more efficient operation. Key Features<ul><li>Compatible Platforms: Designed for use with Bronica ETR, ETRS, and ETR-Si camera systems.</li><li>Motorized Film Advance: Helps speed up shooting by automating film winding between frames.</li><li>System Integration: Built to work as a dedicated accessory for the Bronica medium format ecosystem.</li><li>Workflow Efficiency: Ideal for photographers who want a more convenient and responsive shooting experience.</li><li>Practical Studio Tool: Well suited to controlled environments where repeatable handling matters.</li><li>Used Condition: Offered in good condition, with normal signs of prior use expected for a pre-owned accessory.</li></ul> If you are building out a Bronica kit, this Motor Winder-Ei is a smart way to add convenience and keep your system ready for the next shoot.
 
Condition Notes
Light cosmetic wear throughout.

Continental U.S.

Bronica Motor Winder-Ei for ETR, ETRS, ETR-Si

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Bronica Motor Winder-Ei for ETR, ETRS, ETR-Si

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