Using

Long Exposures

Set the shutter speed on the lens to T. Depress the shutter release on the camera. Using a watch or some other timer. When the exposure is complete, gently press the shutter cocking lever forward. The shutter  should almost immediately close, you should hear a brief  click. If you are making exposures over 1 second, I would be to concerned with vibration from the mirror or from moving the shutter cocking lever, however, YMMV.

Mirror Up Mode

Here is the process to use mirror up mode. There is a minor difference between the K/L and other lenses. On all non-K/L lenses, there is a small selector on the barrel of the lens. In normal operations, select “N” (for normal), but for mirror up mode (as described below) select “M” (for mirror-up.

K/L lenses

  1. Attach a cable release to the mirror up socket (M. Up.) on the lens (by screwing in a cable release, you also enable mirror up mode)
  2. Optional: attach a cable release to socket in the shutter release on the body.
  3. Trigger the shutter release on the body. This triggers the mirror to be swung out of the way, but doesn’t trigger the shutter
  4. Trigger the cable release connected to the mirror up socket on the lens. This actually triggers the shutter.
  5. Cock the shutter and advance the film to repeat.
  6. As long as a cable release is screwed into the M. Up. socket the lens will be in mirror up mode.

Non K/L lenses

  1. Locate the “M-N” selector on the lens. “N” is normal mode and “M” is mirror up mode.
  2. Attach a cable release to the mirror up socket (in the center of the selector) on the lens.
  3. Optional: attach a cable release to socket in the shutter release on the body.
  4. Trigger the shutter release on the body. This triggers the mirror to be swung out of the way, but doesn’t trigger the shutter
  5. Trigger the cable release connected to the mirror up socket on the lens. This actually triggers the shutter.
  6. Cock the shutter and advance the film to repeat.
  7. As long as you have the selector set to “M”, the lens will be in mirror up mode.

2 Comments

  • Carsten Wolf Andersen
    May 22, 2012 - 2:19 am | Permalink

    I making really long exposures I recommend putting the lens cap in front of the lens when expusure is done – then close the shutter.

    • Jon
      September 20, 2016 - 3:49 pm | Permalink

      Yes the “hat trick” I the method I use, both upon releasing the shutter, and then before finishing the exposure. It has worked to prevent my exposures from being blurry, and I have been doing 5min exposures on my rz model. It makes taking a photo more laborious and it is enjoying

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