Unfortunately your current device does not have features required to fully protect your sensitive data while shopping online. In order to protect your own security, we do not allow the placing of orders using insecure devices. To become our valued customer, please upgrade your Internet browser software to a more recent and secure version. We recommend using the latest version of Google Chrome or Mozilla Firefox, but any modern browser will enable you to shop with us. For additional information please feel free to contact our customer support on 1-800-342-5534 .

Free Ground Shipping for orders > $99 in contiguous USA only  (see details)

Mamiya M645 J Medium Format Camera Body

***Lens not included

This product is currently out of stock.

Do you want to be notified?

We’ll Email you when product is in stock

Do You Have One To sell?

Sell Your Gear To KEH and Get Cash

* Item pictured for illustrative purposes only, actual item not pictured.

Customers Also Bought

Mamiya M645 J Medium Format Camera Body Description


The J stands for simple, dependable and economical! The most basic model of the M645 cameras, the J model retains the most useful features of the series without giving up performance. Lacking mirror lock-up capability, a 3/4 inc tripod socket, FP sync, having only one shutter release and differing only slightly in shutter speed range, it's a camera designed to deliver Mamiya quality and help you make the most out of every photographic situation. FEATURES INCLUDE: Shutter speeds 1- 1/500 second plus B Four available screens in addition to standard Rangefinder Spot 45 deg/Microprism 120/220 capability Accepts all M645 lenses.

KEH Specifications

  • Model: M645
  • Body Type:   Electronic focal-plane shutter SLR
  • Material: plastic vinyl
  • Viewfinder Frames:  Microprism center spot (standard focusing screen), surrounding area is matte, with Fresnel lens, focusing screen interchangeable
  • Preview: 94°
  • Compatible Lenses: Mamiya-Sekor C(multi-coated) 80mm f/1.9, automatic diaphragm, with meter coupler, 67mm
  • Shutter Speeds:  B, 8-1/500sec. Moving coil electric focal-plane shutter, FP and X (1/60 sec.) syncroniozation, Shutter release lock provision.
  • Flash Sync: X-sync terminal
  • Flash Connection Type:  plug-in
  • Film Advance:  manual winder knob
  • Motor Capable: manual
  • Meter:  Range EV2.85 - EV17(f/1.9, 1/2sec - f/16, 1/500 sec.); with f/1.9 lens and ASA 100 film. Range EV 4-EV18 (f/2.8, 1/2sec - f/22, 1/500 sec) using ASA 100 film.
  • Dimensions & weights: f/1.9 lens ( w/ waist-level finder S - 94.5x100x166.5mm, 1490g; w/ prism finder - 94.5x122.7x166.5mm, 1685g; w/AE Prism Finder - 94.5x124.7x166.5mm, 1815g; w/PD Prism Finder S - 94.5x124.7x166.5mm, 1805g; w/ CdS Prism Finder - 94.5x124.7x166.5mm, 1825g; Depth w/80mm f/2.8 lens - 154mm); f/2.8 lens (w/ waist-level finder S - 94.5x100x166.5mm, 1325g, w/ prism finder - 94.5x122.7x166.5mm, 1520g; w/AE Prism Finder - 94.5x124.7x166.5mm, 1650g; w/PD Prism Finder S - 94.5x124.7x166.5mm, 1640g; w/ CdS Prism Finder - 94.5x124.7x166.5mm, 1660g; Depth w/80mm f/2.8 lens - 154mm
  • Years Produced: 
  • Battery:  One 6V silver-oxide battery 4SR44 or 6V alkaline battery 4LR44
  • Country of Origin:   Japan



Autofocus No

Physical Characteristics

Lens Mount Mamiya M645

General information

Brand Name Mamiya

Customer Reviews