Moonset In A Single Shot


Step 10: On-site Preparation Part 1 - Checking Moon Speed

 Head on out to your chosen location with your camera, tripod, and the light blocker.  You may want to bring along an mp3 player and/or other things that will keep you somewhat occupied (but not so much that you're preoccupied) when waiting between shots.

 Once you've arrived at where you want to shoot, it's time for phase 1 of the preparation.  You need to determine how large the image of the moon should be in your shots and how many moon images you want.  Keep in mind that the more moon images there are, the higher the risk for the shot.

 First, point the camera towards the moon and check if the size of the moon in the viewfinder is what you want.  If not, switch lenses or zoom in/out.

 When you've determined how large you want the image of the moon, figure out how many images of the moon you want in the photo.

 Once that's figured out, mount the camera on the tripod.  Then attach the adapter ring to the end of the lens.  Slide the light blocker onto the adapter ring.  Make sure the light blocker is closed. Set the camera to manual control. Set the shutter speed to bulb and the aperture to the highest F number your lens allows. Set the focus method to manual (this is probably a switch on the camera body and/or the lens). Turn the focus ring so the camera is focused at infinity.

 What needs to be determined now is the amount of time between moon images.  Use the remote control/cable to start the shot. Open up the lens blocker briefly, then close it again. Note that for this test, neither reducing the vibration nor having the moon in sharp focus are necessary - we're just interested in the distance between the moon images. Wait a few minutes. Open up the lens blocker briefly and close it. Use the remote control/cable to end the shot. Wait for the processing to finish. Check the distance between the moon images.  Adjust the time you wait before opening the light blocker.  Perform this test until you are satisfied with the distance between the moon images.

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