We got new toy's. The Expodisc is now the newest member of the Burkhalter's team. Consistency is what the Expodisc is all about. It is designed to set white balance, but you can also get exposure readings with it as well! What does that mean?
Well, your camera see's things very differently than your your eyes. Particularly color or white balance and light or exposure. For the vast majority auto mode takes care of this. But auto will not allow certain things you would expect from a professional. So we went out to see what exactly this little do-dad was capable of.
First, color. Your camera looks for grey in any image. It takes all the pixels in an image lines them up, and wherever the largest amount of pixels are it turns that value to grey. So if I shoot something bright or dark and leave it up to my camera, it will expose toward grey to prevent losing detail. So if there is a lot of white or black in an image a camera will turn whatever is white or black grey. While I don't want to lose detail, if I am shooting a white wedding dress or the proverbial little black dress I want it to look white or black in camera. With very little effort the Expodisc tells the camera exactly what should be grey in the image so black is black and white is white:
Secondly, light. Your camera sees only light, and it cannot see nearly the range that your eyes can. Exposure values decide exactly what part of your visual range you want your camera to see. In drastic ranges of light the camera must be told if you want to see the bright part of the image or the dark part. This can be very beautiful in either direction if on purpose but if you can't control it is just frustrating. For example:
Expodisc helps tell the camera where the best balance will be, and takes half the time. I realize the image is not so good. However, things are exposed in a much more even manner. I have detail in both the highlights and the shadows and all it took was a little help from Herbert ;).In the first image my camera thought I wanted to see the bright part. That background is beautifully exposed, but I can't see my Tim! So in the second image I told the camera I wanted to see the dark part. Better, but now the background is so bright it looks like it's spilling into his face. So the
We took a lot of pictures that day everywhere from bright noon sun to under an overpass, up against different color casts, and with 2 very different cameras but all the images have great color and exposure. Thanks Expodisc!
Thanks Herbert. You were a big helper!
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