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Learn By Doing Photography

LBD Photography – Using exposure compensation, an image of black

Learn by Doing Photography – Practice your photography skills with weekly photography assignments. I will post a new assignment every Friday, you can post your pictures at the bottom of this post or on the DigitalCamFan Facebook. If you have any questions please refer to the guidelines, if you have no questions jump right in any time!

Learn by Doing Photography Assignment #7 Find an image that is mostly black – Set your camera on aperture priority, expose the first picture when your camera thinks you have a perfectly exposed image. The next few photos decrease your exposure compensation to -1 and -2 and see what happens.

Settings: ISO 200 1/30 sec at f/2.8 Exposure Compensation = -3
At the bottom of the post I have all seven examples of this picture -3, -2, -1, 0, +1,+2, +3

IMG_5903-1

This week we’re focusing on a dark scene, last week was white on a white background.  The one constant is our camera sees the world as a mid-toned gray. It will take the light and dark in a scene and average it out to a nice mid-tone color. If there is too much light the camera will reduce the exposure to make sure you end up with a nice mid-tone gray. This week we’re working with dark colors so the opposite is true. The camera says wow there is too many dark tones, the logical answer for your camera is to increase the exposure to make sure your exposure with be a nice mid-tone gray. Your camera loves 18% gray and wants to make sure all your exposures turn out that mid-tone gray color.

In most cases this works out just fine, but what about that black cat against a black wall. You don’t want a gray cat against a gray wall so we need to decrease the exposure using exposure compensation and our black cat will be the dark shade of black we want it to be. All camera’s are a little different so be sure to take a look at your manual to see exactly how you adjust your exposure compensation.

Here is an excellent video by Mark Wallace explaining Exposure Compensation. He does an excellent job helping you understand exactly why you need it and how it works!

Below are 7 examples of how the color black changes as you adjust your exposure compensation. I had the camera on a tripod and only adjusted the exposure compensation for these photos, no editing was done.

Settings: ISO 200 1/30 sec at f/2.8 Exposure Compensation = -3
IMG_5903-1

Settings: ISO 200 1/15 sec at f/2.8 Exposure Compensation = -2
IMG_5904-2

Settings: ISO 200 1/8 sec at f/2.8 Exposure Compensation = -1
IMG_5905-3

Settings: ISO 200 1/4 sec at f/2.8 Exposure Compensation = 0
IMG_5906-4

Settings: ISO 200 1/0.5 sec at f/2.8 Exposure Compensation = +1
IMG_5907-5

Settings: ISO 200 1/1.0 sec at f/2.8 Exposure Compensation = +2
IMG_5908-6

Settings: ISO 200 1/2.0 sec at f/2.8 Exposure Compensation = +3
IMG_5909-7

Remeber you can post your pictures at the bottom of this post or on the DigitalCamFan Facebook. If you have any questions please refer to the guidelines, if you have no questions jump right in any time!



Next Week Learn by Doing Assignment #8 – A walk around the block!

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