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RB67 vs. RZ67: What's the Difference?

Edited by Aimie Carlson || By Janet White || Published on February 27, 2024
The RB67 and RZ67 are both medium format cameras by Mamiya; RB67 is fully mechanical, while RZ67 has electronic components and is slightly more advanced.

Key Differences

The RB67 and RZ67 are medium format cameras produced by Mamiya. The RB67, introduced first, is a fully mechanical camera known for its ruggedness and reliability. The RZ67, its successor, incorporates electronic components, offering more advanced features like an electronic shutter and a wider range of shutter speeds.
In terms of operation, the RB67 requires manual cocking of the shutter for each shot, emphasizing a more traditional photographic process. The RZ67, with its electronic control, allows for more convenient operation, including automatic cocking of the shutter, making it quicker and smoother to use in various shooting conditions.
The RB67 is known for its durability and has been a staple for studio photographers. Its fully mechanical nature means it operates without batteries. The RZ67, while also durable, relies partially on electronic components, requiring a battery for some of its functions, such as its electronic shutter.
Lens compatibility differs between the two models. The RB67 lenses are purely mechanical, lacking electronic communication with the body. RZ67 lenses, on the other hand, have electronic contacts and can communicate with the camera body, offering features like automatic aperture control.
The viewfinder system in both models is interchangeable, but the RZ67 offers more advanced options, including prism finders with built-in light meters. The RB67, while having interchangeable finders, lacks the integrated metering option in its prisms.

Comparison Chart

Camera Type

Fully mechanical medium format
Medium format with electronic components

Shutter Operation

Manual cocking for each shot
Automatic cocking with electronic control

Power Source

Fully mechanical, no batteries
Requires batteries for electronic shutter

Lens System

Mechanical lenses
Lenses with electronic communication


Interchangeable, no metering
Interchangeable, options with metering

RB67 and RZ67 Definitions


Known for its ruggedness and durability.
My RB67 has endured various conditions and still works perfectly.


Offers advanced features like an electronic shutter.
I appreciate the electronic shutter of my RZ67 for its precision.


Popular among professional studio photographers.
Many professional photographers in the studio prefer the RB67 for its consistency.


A medium format camera with electronic components.
The RZ67 brings a blend of mechanical and electronic features to medium format photography.


A classic choice for traditional film photographers.
The RB67 appeals to me due to its classic, hands-on approach to photography.


Includes lenses with electronic communication.
The lenses of my RZ67 communicate electronically with the camera, adding convenience.


A fully mechanical medium format camera.
I use my RB67 for its unparalleled mechanical reliability in studio photography.


Popular for its versatility and advanced options.
The versatility of the RZ67 makes it a favorite among modern film photographers.


Operates without batteries, emphasizing manual control.
I love that my RB67 operates entirely without the need for batteries.


Requires batteries for some functions.
For my RZ67, I always keep spare batteries for its electronic elements.


Does the RZ67 have an automatic mode?

It has some automatic features but primarily manual controls.

What is the RZ67?

A medium format camera by Mamiya with some electronic features.

Is the RB67 good for beginners?

It's great for learning manual controls but might be complex for complete beginners.

What type of batteries does the RZ67 use?

It typically uses 6V silver oxide or alkaline batteries.

Do I need batteries for the RB67?

No, it's fully mechanical and doesn't require batteries.

What film does the RZ67 use?

It uses 120 or 220 medium format film.

What is the RB67?

A fully mechanical medium format camera by Mamiya.

Can I use RB67 lenses on the RZ67?

No, the lens mounts are not compatible due to the RZ67's electronic connections.

Is the RB67 heavier than the RZ67?

Yes, the RB67 is generally heavier due to its all-mechanical build.

Can I shoot digital with the RZ67?

Not natively, but digital backs are available for medium format cameras.

Is the RB67 suitable for outdoor photography?

Yes, its durability makes it suitable for various conditions.

Can I get a waist-level finder for the RZ67?

Yes, waist-level and prism finders are available.

How much does an RB67 weigh?

It weighs around 2.5 kg (5.5 lbs) without a lens.

What's the film format for the RB67?

It uses 120 roll film, providing 6x7 cm negatives.

Does the RB67 have mirror lock-up?

Yes, it features mirror lock-up for reduced camera shake.

Are there any autofocus lenses for the RZ67?

No, the RZ67 system uses manual focus lenses.

What is the maximum shutter speed of the RB67?

It typically has a maximum shutter speed of 1/400th of a second.

What's the max shutter speed of the RZ67?

It can go up to 1/400th of a second as well.

Can the RB67 be used with a tripod?

Yes, it has a standard tripod mount.

Is the RZ67 good for studio work?

Yes, it's excellent for studio photography due to its features and lens quality.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.
Edited by
Aimie Carlson
Aimie Carlson, holding a master's degree in English literature, is a fervent English language enthusiast. She lends her writing talents to Difference Wiki, a prominent website that specializes in comparisons, offering readers insightful analyses that both captivate and inform.

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