Accurate exposure can be obtained quite simply by using a through-the-lens system CdS exposure meter and observing an enlarged finder image by installing this finder on the Mamiya RB67 Names of Parts 1. Visibility adjusting ring 6. Shutter speed dial 2.
Operating Method Inserting two silver batteries Remove the battery chamber cover (2) by turning it counterclockwise, and insert two silver batteries in the battery chamber. Always wipe both battery poles with a dry cloth and insert them by facing the plus( +) side of both batteries toward the operator.
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For instance, when using the 127mm f/3.8 or 90mm f/3.8. set 3.8 of the lens speed scale (4) opposite the index 4. Setting the speed of film to be used with the film speed set dial Turn the film speed set dial (8) while slightly pulling it out.
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7. Reading scale values on the dial and setting it on the lens Read and choose any combined values of shutter speed dial scale (6) and aperture scale (7), and proceed with photographing after setting the lens shutter speed and aperture Important Points on Using the Finder 1.
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5. Designed for installation on the Mamiya RB67, this finder cannot be used as an independent exposure meter. Regarding the Silver Battery 1. Plus(+)and minus(-)poles of the silver battery are indicated in the diagram, so carefully check the direction of pole to be inserted.