I am very happy with the owner's manual. I bought a used Casio and was so relieved that I was able to get a hold of a owner's manual. It was very easy to download the manual and I had no problems with printing it. Thank you! Nancy Whalen
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Text excerpt from page 21 (click to view)
*As an accessory, Mamiya offers Diopter Correction Lenses which can be attached to the viewfinders. Near and farsighted persons will find these accessories useful for obtaining accurate focus. *The Focusing Screen is interchangeable. To change screens, refer to the instruction manual supplied with the screens.
While looking through the viewfinder, adjust the lens Focusing Ring until the most important part of the subject appears sharp and clear. Extremely accurate focusing is simplified by the split-image rangefinder spot located in the center of the Focusing Screen. (to use, match up the image on both sides of the split-image.)
The split-image rangefinder spot is surrounded by a microprism collar which fractures the image whenever it goes slightly out-of-focus. Consequently, this is an invaluable aid for pinpoint focusing accuracy. The outer ground glass ring (which encircles the microprism collar) can be also used for focusing.