Bronica RF645 system

Discontinued

Bronica RF645

Medium format film rangefinder camera

Announced: Sep 2000
Mount: Bronica RF645
Format: 56 × 41.5mm
Shutter type: In-lens leaf shutter

Bronica RF645

Medium format film rangefinder camera

Announced: Sep 2000
Mount: Bronica RF645
Format: 56 × 41.5mm
Shutter type: In-lens leaf shutter

Bronica RF645 is a world's first medium format 6x4.5 rangefinder camera to feature interchangeable lenses. It came with a superb lineup of lenses to take full advantage of the rangefinder camera. The Bronica RF645 also achieved a new dimension in compactness and light weight.

High-performance Zenzanon-RF lenses combine the precision detail and vividness with a compact design. Symmetrical optical configuration maintains image quality with superior aberration compensation. Each lens features fully electronic shutter unit. Its operations including shutter blade action, diaphragm movement and shutter recharge are all electronically controlled by an actuator inside the unit.

Camera lineup

Bronica RF645 mount lens lineup

Lenses found: 4
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Wide-angle prime lenses
Bronica Zenzanon-RF 45mm F/4 • 6x4.5 2000
Standard prime lenses
Bronica Zenzanon-RF 65mm F/4 • 6x4.5 2000
Medium telephoto prime lenses
Bronica Zenzanon-RF 100mm F/4.5 • 6x4.5 2002
Bronica Zenzanon-RF 135mm F/4.5 • 6x4.5 2000

Pros of a rangefinder camera

  • Brighter viewfinder, easy to focus in low light;
  • Very accurate focusing;
  • Quiet operation;
  • Smaller than competing SLR cameras;
  • No mirror to cause vibration;
  • Virtually zero shutter lag;
  • No viewfinder blackout;
  • Smaller lenses.

Cons of a rangefinder camera

  • Parallax problems with nearby subjects;
  • Depth of field doesn't show in the viewfinder;
  • No rangefinder focus ability for 135+ mm lenses;
  • Separate accessory viewfinders are needed for (ultra) wide or telephoto lenses;
  • Lack of autofocus;
  • No macro lenses;
  • No zoom lenses.
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