Mamiya AE Prism Finder FE401 - Accessory

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    Model Details

    AE (automatic exposure) Prism Finder FE401 has built-in precision electronics that enables three automatic exposure modes: Spot, Average and Auto-Shift. In Auto-Shift mode, the finder’s meter will automatically change from Spot to Average, or vice versa, depending on the subject.

    When setting the shutter speed manually, the finder will display the correct exposure, and then thedisplay will turn off after 10 seconds to conserve battery power. To provide the most accurate exposure information, intermediate exposure times are displayed.

    • Exposure Compensation: ± 3 stops with click-stops at 1/3 stop intervals.
    • Viewfinder LED: Display In metered automatic mode, flashing LEDs indicate full f-stop shutter speeds, while for intermediate exposure times, two shutter speeds will illuminate and flash.
    • Overexposures are indicated by flashing ‘OVER’ LEDs and underexposures are indicated by ‘LT’ LEDs.
    • In the metered manual mode, preselected shutter speeds are illuminated by flashing LEDs,while the correct shutter speed will blink slower. The display illuminates for only 10 sec. to conserve battery power. A low battery conditionis indicated by flashing LEDs.
    • AE Lock: When the camera’s Shutter Speed Dial is set to AEL (AE Lock) the exposure information is stored in the finder.
    • Power Supply: Power is supplied by the camera’s battery.
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      Mamiya 645

      Mamiya’s manual focus 645 system was introduced in 1975 and was produced until the 645AF supplanted it in 1999.

      There are two generations of manual focus 645 cameras. Lenses can be shared between models of different generations, but accessories can only be used with cameras of the same generation. Earlier generation cameras are called M645 and have mainly metal and leatherette exteriors, while later generation M645 Super/Pro cameras have a more plasticky exterior.

      Instead of a leaf shutter like other modular SLRs, the Mamiya 645 uses a focal plane shutter. This allows the camera to use faster shutter speed and makes lenses smaller but limits the camera's ability to sync with a flash.

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