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• In shooting fireworks, the recommended way to record multiple bursts on the same frame is not by using the multiple exposure button, but by mounting the camera on a tripod, setting the shutter speed dial at "B" and holding the shutter open with a cable release. Set the aperture ring manually to the appropriate f/stop, using the following table:

ASA

25

50

100

200

400

 

 

 

 

 

 

f/stop

5.6

8

11

16

22

 

 

 

 

 

 

• Interesting motion studies can be made by mounting the camera on a tripod, using color film, and making a triple exposure through a red, a green and blue filter respectively. Select a scene having both stationary and moving parts, such as a seascape with rocks and surf, a crowded street with many moving cars and people, or a tree whose leaves are rustling in the breeze. Set the camera on a sturdy tripod, focus and compose in the normal way. Multiply the film's normal ASA by 3 and set this higher rating on the camera's ASA ring. Put a red

filter (R1) over the lens and make the first exposure in the AE mode of operation. Press the multiple exposure button, and operate the winding lever. Replace the red filter with a green filter (G1), making certain not to move the camera at all. Make the second exposure, and again operate the multiple exposure button and winding lever. Replace the green filter with a blue one (CCB12) and make the third exposure. This sounds like an unduly complex method of taking photographs, but the results are well worth the extra effort. The stationary objects in the scene remain motionless and are rendered in their natural colors, whereas the moving objects become a "rainbow" of separate red, green and blue images. In the above method you might have to experiment with manual exposures through the three filters to get perfectly exposed slides. Use the filter factor for each filter in your exposure calculations. Consult your local camera dealer for additional advice.

Notice:

If exact registration is required, multiple exposures should not be made on the first few frames of a roll. Film characteristics can cause slight mis-registration (about 0.05mm).

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