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			How To Understand your Camera and Film 2: Shutter Speed by David Barry Article Rating = 4.06 (18 votes)

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Category: Hobbies & Recreation : Photography SHUTTER SPEED As I mentioned earlier, shutter speed is not the same as film speed. Whilst the shutter speed setting on the camera MAY be influenced by the film speed in use, it is generally separate and independent of the film speed. Shutter speed is one of the camera functions or settings. It is for controlling the length of time, or for how long, the film is exposed. With a given amount of light, a film will require a suitable amount of exposure, then the shutter speed is one way of controlling that amount. If a camera has adjustable shutter speed settings, most likely they will be something like this: 1 2 4 8 15 30 60 125 250 1000 ..... Some older cameras may use slightly different numbers, such as 10 instead of 8, or 100 instead of 125 Some fully automatic cameras may not show these settings, but instead settings such as 'A' for Auto or 'P' for program, so you may not be able to control this part of the exposure. Actually, these numbers normally represent fractions of a second, so the number 2 in the above sequence is actually 1/2 second, the number 30 is actually 1/30 second, etc. This means that the lower numbers are longer (slower) speeds which produce more exposure, while higher numbers are shorter (faster) speeds, which produce less exposure. Conveniently, each consecutive setting produces half or twice the exposure of the next settings either side. So 1/30 second produces half the exposure of 1/15 second, or twice the exposure of 1/60 second, which makes it easy to calculate changes of exposure. About the author... Submitted By David Barry Description Photo enthusiast Web Page not available Other Articles in this Category How to Understand Your Camera and Film 8: Using Filters by David Barry How To Understand your Camera and Film 4: Putting it all together by David Barry How To Understand Your Camera and Film 9: Filter Types by David Barry How To Understand your Camera and Film 3: Lens Terms by David Barry How To Understand your Camera and Film 1: Film Speed by David Barry How To Understand Your Camera and Film 6: Lens Focal Length by David Barry How To Understand Your Camera and Film 5: Film Types by David Barry How to Understand Your Camera and Film 7: Depth of Field by David Barry Other Sites Storkin.com - Baby and Pregnancy Tips and Discussion iPhone Games at TouchArcade.com iPhone Apps at AppShopper.com Health Articles Menopause Symptoms HIV/AIDS Symptoms West Nile Symptoms Diabetes Symptoms Pregnancy Symptoms Read other Articles - click here.