



Used Mamiya AE Prism Finder | U8
Sale Price$99.99
Out of Stock
- Fully functional
- Minor signs of use
- Minor signs of wear
- Type: 90° prism viewfinder with built-in exposure meter Metering: TTL, center-weighted, open-aperture Exposure mode: Aperture-priority auto exposure (AE) + manual support Readout: shutter speed shown in viewfinder with warning indicators for over/under exposure
- Film speed range: ISO 25 – 6400 Shutter speed range (camera-dependent): 2 sec – 1/1000 sec Displays: Selected shutter speed Over/under exposure LEDs or indicators Proper exposure confirmation signal (depending on version)
- Magnification: ~0.74× (with standard 80mm lens at infinity) Bright pentaprism image 90° eye-level viewing
- Powered by camera body battery (typically 6V 4LR44 / PX28 type) No separate battery in most versions
- Works with: Mamiya M645 Mamiya M645 1000S Not interchangeable with later “N” prism versions (645 Super / Pro series)
- Converts the M645 system into a semi-automatic exposure camera Highly useful for handheld work compared to waist-level or non-metered prisms Uses center-weighted averaging, not spot metering Exposure accuracy can drift with age (common in older units)
- CdS / PD prisms: analog needle or different LED logic systems AE Prism: true aperture-priority automation with direct shutter-speed selection AE Prism N (later): redesigned for M645 Super / Pro bodies
- Used Mamiya AE Prism Finder | U8


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