For normal operation set the White Dot of the Shutter Release Selector

(A)against the White Square Dot Cl. When set to the Red Dot 0, the Release Button is locked.

*Select this mode if the camera will be idle for a period and to prevent accidental shutter re- lease. Also when the Power Drive Grip is used.

When set to the yellow clock symbol 0 the self-timer is operative. See page 27 and 28 for further instruc- tions.

Operating the shutter Release Button

1.The Shutter Release Button @ functions in two steps. Gentle pres- sure will light the metering informa- tion display if the AE Prism Finder is used. Continued pressure will re- lease the electromagnetic shutter.

2.If the film is not completely ad- vanced, if the Dark Slide is not with- drawn or if the battery is dead, the shutter will not function, even when the Shutter Release Button is pressed. This will also be the case if the Shutter Speed Dial is set to “A” or “AEL”when the AE Prism Finder is not attached.

3.After releasing the shutter, the Film Advance Crank will automati- cally unlock and be ready to advance the film.

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Mamiya PRO 645 manual Operating the shutter Release Button
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PRO 645 specifications

The Mamiya PRO 645 is a medium format camera system that has gained acclaim among professional photographers for its versatile features and high-quality performance. Designed primarily for studio and location work, this camera is well-suited for portraiture, fashion, and commercial photography.

One of the standout characteristics of the Mamiya PRO 645 is its film size, which measures 120/220 roll film. This allows for larger negatives that capture more detail and offer better tonal range compared to smaller formats. The camera’s unique design allows the use of interchangeable film magazines, making it highly adaptable for different shooting scenarios. Photographers can switch between 120 and 220 films effortlessly, dictated by their specific project needs.

The Mamiya PRO 645 features an impressive range of lenses, allowing users to explore various focal lengths and depths of field. With Mamiya’s renowned glass optics, the lenses are engineered to deliver exceptional sharpness, color accuracy, and contrast. Among the available lenses, the wide-angle and telephoto options are particularly popular, providing versatility for different compositions and subject matter.

Another significant technological advancement present in the Mamiya PRO 645 is its built-in metering system. With both center-weighted and spot metering options, the camera enables precise exposure control, crucial for capturing images in challenging lighting conditions. The metering system works in conjunction with its electronically controlled shutter, which operates with faster speeds, reducing the risk of camera shake and enhancing the photographer's ability to freeze motion.

The camera is also equipped with a comfortable grip and ergonomic controls, which facilitate ease of use during extended shooting sessions. Its modular design lets photographers customize their setups according to their specific shooting style. The availability of various accessories, such as viewfinders, lens hoods, and battery grips, further enhances the shooting experience.

In terms of build quality, the Mamiya PRO 645 exhibits a robust construction that withstands the rigors of professional use. Despite its durable design, it maintains a lightweight profile, making it manageable for location work.

In conclusion, the Mamiya PRO 645 is an exceptional choice for photographers seeking a reliable medium format camera that delivers outstanding image quality and flexibility. With its advanced features, comprehensive lens options, and user-friendly design, it remains a preferred option for professionals aiming to elevate their photography to new heights.
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