Archive for the ‘tips’ tag
Photography Basics
Digital Photography basics and terminology.?
Hi !
I am new to Digital photography and need to understand a few terms before I get started.
Shutter speed?
ISO?
White balance?
Also – when we press the click button, in different cameras it takes different time to actually click the picture.. can we change that? is that shutter speed?
Please help me understand these terms.
Thanks a ton already!
Hi and welcome to digital photography!
Shutter speed: The shutter is the device that controls how long light hits the film (or the sensor in a digital camera) Shutter speed is the length of time the shutter stays open, measured in fractions of seconds. This will be a short time in bright light, and longer in dimmer conditions. This is why pictures taken inside with no flash are often blurry. The camera moves more in the longer exposure time, this records as blur.
ISO is the sensors sensitivity to light. Slow. such as 50 or 100 is less sensitive, and takes longer to obtain a proper exposure. Fast. 400, 800, or 1600 gathers more light faster, but in most digicams makes images with lots more “noise”. Noise is the digital equivalent of film grain, and is usually undesirable.,
White balance: Light has different “temperatures” on the color scale. Tungsten bulbs look yellow, florescent usually records as green, shade is blue, etc etc. The white balance takes the ambient light into consideration and corrects the color cast. On most digicams, the auto WB does a good job. If you take a picture and the color is off, you can try again using a different white balance.
The time between pushing the button and the camera actually taking the picture is called shutter lag. Overall, this measurement has improved greatly in the last few years. DSLRs have very little lag, digicams have more.
The “Dummies” book series has one on digital photography that’s very good for beginners. Also read your camera manual and understand what the settings are and how they affect your pictures.
Photography Tutorial – Basics of Composition
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