You have to be careful when shooting in thick fog because the very light environment can adversely affect the meter reading. Meters interpret everything as middle gray, or middle toned, and when fog is present the meter wants to give you an exposure that makes the whiteness look gray. In other words, your pictures will be underexposed. Therefore, check the LCD monitor on the back of your camera to make sure you're getting the exposures you want. The histogram will not tell you this. Only looking at the image will give you the feedback you need. If the pictures are too dark, use the exposure compensation feature built into the camera to lighten the exposure in 1/3 f/stop increments. I took this picture in San Marco Square in Venice. I added +2/3 f/stop to arrive at this exposure.
2 Comments
Feb 4, 2016, 8:14:16 AM
Jim - Yes, Skip, it can. But the LCD screen is not the final word on exposure. It just gives you a good idea of the exposure. Even the brightness of your computer monitor influences how you perceive the exposure.
Feb 4, 2016, 7:17:45 AM
Skip Kask - Jim: I would think that the brightness setting of the LCD screen can have an influence on the darkness of an image unless it is always set to in the middle.