Note: Be aware that some digital cameras have exposure compensation built in to prevent overexposure. If exposure is too bright the highlights could be "blown out" and detail lost int the brightest parts of the image. By artificially "darkening" the image, the camera makers try to make sure the exposures aren't too bright. This doesn't affect all cameras but it does seem to be the case for some. That means that the exposure needed in lessons 2, 3 and 4 may be slightly higher than suggested in the lessons. You might use the "expose to the right" method.
This is the opposite of the previous example. A low key photo is pretty much black on black, or at least very dark on dark. This kind of photo can create a sense of intimacy, foreboding, sadness, and / or heaviness. The problem with shooting dark on dark is that the camera will try to lighten the image up making the picture look washed out and grey.
For this shot you'll need a really dark cloth, preferably black, and an object that is dark or has some dark tones in it. You could shoot a portrait of a dark haired person in dark clothing against a black or dark background for a low-key portrait.
Note: Shooting an object or person that is very light or white against black has a different effect and is not really considered "low key", although it can be striking image anyways.
Exercise: First, shoot the image with what you camera says is the right exposure. Very few in-camera meters will render this scene accurately. Now, take a meter reading on something dark/black that has the light hitting it and close the aperture two stops (i.e. if it is ƒ1.8 you'll want to go to ƒ4.)
Compare the two images and see what difference it made.
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