It appears to me that the lens is set to infinity (a very small apeture in camera terms) so just about everything is in focus from an inch away from it to 200 feet away from it. You do see glitches in contrast when you move from a bright to dark areas within the camera's view. It takes a second for the ATC2K to re-adjust.

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hmmmm. I still haven't been able to understand how a camera can be set to infinity. But at least it solves that problem!

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"For the sake of historical truth I must verify that only the Greeks, of all the adversaries that confronted us, fought with bold courage and highest disregard of death." -Adolf Hitler (From speech he delivered to Reich on May 4, 1941)
^^^true story

Similar to the old cameras... point and shoot at any distance

Does this make you goggle tilt on one side because of the weight

The smaller the aperture (iris of the lens), the greater your depth of field. So a very small aperture will yield a very large depth of field. There will always be a distance from the lens at which it is sharpest and everything before and after this point will get progressively softer (focus wise).

The infinity setting is just the point of a lens where everything is relatively in focus.

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I have a very similar setup.(diffrent mask) but it does makes it woble a little bit when you run, but its not as bad as you would think by looking at it. You do need to becarefull when diving, as ive had my mask slip down around my neck once. Its not terrible but its very hard to get the camera pointed in the right direction for good video, as there is no way to adjust the camera other than craming pencils or other misc stuff into change the angle.

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I get asked "Why?" alot. Why do you do this? Why did you do that? Why would you think of such a thing? WELL HERE IS MY ANWSER..... BECAUSE I CAN!!!!!!

Understood now. Thanks!

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"For the sake of historical truth I must verify that only the Greeks, of all the adversaries that confronted us, fought with bold courage and highest disregard of death." -Adolf Hitler (From speech he delivered to Reich on May 4, 1941)
^^^true story

Two cams, Final Cut Pro and a good audio track should make for an awesome video

im am def. gonna buy oregon camera but i dont know if i should get the one you have or the one with the screen on the back! whats the difference between the black one the atc3k and the act2k?

Here's their site:

Oregon Scientific | U.S. | Store | ATC2K Action Cam