When the camera is dropped int eh mud, Alex discovers that she hasn't brought along any lens cleaning tissues. Colin says that the black tea he is drinking has cleaning properties and drips some tea from the bag on to the lens. Most photographers protect their lenses by using a daylight filter that screws on to the front of the lens. Buying a $20 filter to absorb the liquids and scratches can save you from having to replace your $1,000 lens. Regardless of the cleansing properties of black tea, you never drip any liquids on a camera lens. It can migrate between the lens and the ring and destroy the inner workings of the lens.
In Colin Page's article at the end of the movie, "adventurers" is misspelled. It reads, ". . .adenturers. . ."
A New York City professional photographer intending to spend a week in the Fiji rain forest would pack more than one small bag of clothes, but she also packed no camera equipment at all.