Lighting = Mostly Sunny, Distance = 7.5 ft, Focal Length = 43mm, ISO = 200
Our Featured Site today is “Learn Photography: Online SLR Camera Simulator!“.
This SLR Camera Simulator gives you a virtual viewfinder and allows you to change exposure controls such as ISO, Aperture and Shutter Speed.
source Steve’s Digicams
Here is a short tutorial I quickly wrote using the SLR Camera Simulator to demonstrate its usefulness. Let’s start with the following settings: Lighting = Mostly Sunny (slide the Lighting bar starting from the left and stop as soon as it reads Mostly Sunny), Distance = 7.5 ft, Focal Length = 43mm, ISO = 200.
Set mode = Tv (Shutter-Priority).
Our camera shake rule of thumb tells us that we need to set a shutter speed of the reciprocal of the focal length (i.e. 1/43 sec. or faster) for a blur-free handheld shot.
Shutter speed is too slow for hand holding camera resulting in blurred photo
So go ahead, set the shutter speed to 1/20 sec. Notice how as you select the shutter speed, the camera automatically selects the aperture for a correctly exposed picture. Click Snap photo! Notice the photo is correctly exposed but slightly blurred. (If I select 1/30 sec., the picture is not blurred, so I assume the camera the author used to take those shots had image stabilization available.)
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