Photography in Ape Cave

I have still not perfected the light settings for taking pictures in the cave. I can get a really good shot about 2 out of 3 times, but the formula for the perfect shot still eludes me.  (I have gotten some good advice from some people recommending the "Open Flash" method, which I will use this year.)

As a general rule, its best to turn off all sources of light other than the flash. I  use at least 400 speed film in my fully manual Pentax 35mm camera. Normally, I use my flashlight to find the features I want to focus on, then cut the light and hope.

A disposable camera with a flash would probably be the best type of camera to bring into the cave. The environment in the cave is wet and gritty- a sure way to screw up a camera. Next time I go into the cave, I plan on having a couple of those waterproof, high-speed disposables- that way I can be sure i have enough film and I will know that I am not messing up my good equipment. ----NOTE: On my last trip, I used a bunch of disposable cameras, and was a bit disappointed by the results. I will go back to risking my good camera. The disposables are great above ground, and for close-up features, but the flash units in them are just too weak to handle the darkness. The ones I used had a focal length from 4 to 10 feet, and many cool features are out of range.

Some Pointers: If you have the equipment to set up a flash some ways distant from a camera, you will be able to take some striking shots. One book I have about photography in caves suggests using up to 32 times the amount of light normally used in a standard flash. I have found that in taking pictures of close-up features, the flash was a little too much light- but in taking pictures of panoramic shots, like trying to photograph a large chamber, my flash is not nearly enough.
 

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