Saturday, January 17, 2015

Time for some practice - Aperture Priority Mode

The best way to let all this information sink in is to practice.   Previously we did some quick tests using aperture priority and shutter speed to see how they work together.   We froze the ISO, and we changed the aperture to see how the shutter speed adjusted.

This time let's practice for a longer period of time.   For this practice, the only thing I would like you to set is your camera to aperture priority.   Use ISO accordingly.   Try to take all sorts of photos and pay close attention to how your camera reacts based on the lighting conditions.   Use your aperture setting to control the depth of field of your shots.   Also, use your aperture setting to allow as much light in as possible, when needed.   Refer back to previous posts to refresh your memory as you shoot.


To give you a few ideas on what to try to shoot:

Portraits:  Family or friends posing for you.  (hint: if you have ample light, try shooting at f/8 to get good sharpness and sufficient DoF.)   Try to use some natural light coming through a window.  Play with shadows on your subject.

Action shots:   Capture things in motion and try to freeze the action.   (hint: Open up your aperture and increase your ISO to get shutter speed high enough to stop the action.)

Long Exposures:  Perhaps some passing cars, to capture the streaking lights.  Remember, you'll need a solid surface or a tripod for this.

Pets:  Try some creative shots with your pets (if you have them.)   Try to get close and fill the frame with their faces.  Focus on the eyes.


Have fun with this and use it to learn more about your camera.   Make sure when you download your photos to may attention to the EXIF info... Aperture, Shutter Speed, ISO and focal length.   Try to get it to really reinforce what you've learned.

Below are some examples of the types of shots I'm recommending you try.   Get creative and have lots of fun.

55mm  f/4  ISO 400  1/80 second exposure

24mm  f/8  ISO 100  1/80 second exposure

400mm  f/5.6  ISO 100  1/800 second exposure

135mm  f/20  ISO 100  1/13 second exposure

10mm  f/13  ISO 800  2.5 second exposure


18mm  f/5  ISO 6400  1/18 second exposure









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