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Topic: Shutter speed

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	Shutter speed - Wikipedia, the free encyclopedia
		In photography, shutter speed is the time for which the shutter is held open during the taking of a photograph to allow light to reach the film or imaging sensor (in a digital camera).
		A typical shutter speed for photographs taken in sunlight is 1/125th of a second.
		In cinematography, shutter speed is a function of the frame rate and shutter angle.
	en.wikipedia.org /wiki/Shutter_speed (562 words)

	Shutter speed
		Shutter speed is the amount of time a shutter remains open to allow light to reach the digital camera sensor.
		Typical shutter speeds are: 1/2000 second, 1/2000 sec, 1/500 sec, 1/250 sec, 1/125 sec, 1/60 sec, 1/30 sec, 1/15 sec, 1/8 sec, 1/4 sec, 1/2 sec and 1 second.
		Shutter Priority mode is a semi-automatic exposure mode which lets you select the shutter speed and the camera automatically sets the aperture for a proper exposure.
	www.digicamhelp.com /advanced-digital-camera-settings/shutter-speed.htm (221 words)

	Dudak's Shutter Speed Calculator (Site not responding. Last check: 2007-11-07)
		The amount of blur you see in a print is determined by the speed of the subject, shutter speed, lens focal length, focusing distance, and degree of enlargement of the film.
		The number in the text block is the denominator of a shutter speed.
		Try calculating a shutter speed for a 35mm format camera with a 50mm lens at 20 feet from a subject moving 3 MPH with a print blur of 200mm.
	www.dudak.baka.com /spcalc.html (752 words)

	About Photography (Site not responding. Last check: 2007-11-07)
		The shutter speed refers to the amount of time that the shutter of the camera is open and the film is exposed to the light.
		On a setting 60 the shutter will remain open for one sixtieth (1/60) of a second, etc. Each setting on the shutter speed is also known as a STOP.
		A safe rule to follow is to ensure that the shutter speed setting is higher than the focal length of the lens.
	www.dumetier.com /photography/sspeed.html (323 words)

	Shutter Speed
		This means a normal shutter speed, with Tech Pan (ASA 25), of 1/250 second, which, with "a hug and a squeeze", produces very little blurring on the negative.
		The cam that is attached to the shutter speed dial moves the entire timing mechanism thereby altering the resistance on a segmented gear which controls the speed of the lever with the pins that release the shutter blades.
		To get a shutter speed of 1/75 second, you must rotate the dial so that the index mark (fl dot) is slightly closer to the 100, approximately 59% of the way from 50 to 100.
	www.minoxlab.com /Don_Krehbiel/mpl/dkspeed.htm (543 words)

	Shutter Speeds
		Shutter speed is, apart from aperture, the other main component required to form a proper exposure.
		Shutter speed means timing and duration of opening and closing of the shutter curtain at the back of the camera.
		A shutter speed of 1/125 will allow one time more the amount of light to reach the film than 1/250, the amount of light is double on the next scale of 1/60 to 1/125 etc.
	www.mir.com.my /rb/photography/fototech/apershutter/shutter.htm (1717 words)

	Digital Photography Glossary of Terms
		Shutter speed – The camera's shutter speed is a measurement of how long its shutter remains open as the picture is taken.
		When the shutter speed is set to 1/125 or simply 125, this means that the shutter will be open for exactly 1/125th of one second.
		The shutter speed and aperture together control the total amount of light reaching the sensor.
	www.microsoft.com /windowsxp/using/digitalphotography/glossary/default.mspx (1700 words)

	Shutter- Speed (Site not responding. Last check: 2007-11-07)
		However, shutter speed works on the same principle as aperture; that is, each setting is different from the next by a factor of two.
		Changing the shutter speed also has an effect on the outcome of your photograph, especially if you are dealing with a moving subject.
		Use the next faster shutter speed when you double the focal length of the lens; use the next slower shutter speed with a lens that's half the normal focal length.
	www.modernviews.com /Guide/guide2_1.htm (914 words)

	Digital Photography Blog - Photography 101 - Shutter Speed
		The shutter speed dial of a Fujika STX-1.
		Luckily for us, shutter speeds make a lot more sense than f-stops and are more self-explanatory that film speeds, however, like these other exposure settings, shutter speeds in general follow the same doubling and halving pattern.
		The old adage used to be that your shutter speed should be faster than your lens' focal length and as a basic rule that still holds true today.
	www.searlstudio.com /digital-photo-blog03080510.htm (1270 words)

	Flash Synchronization Shutter Speed
		The film (and the shutter) is being rewound and the lead of the second curtain is moved to the middle of the frame.
		Of course, shutter speed is determined by the width of the gap.
		With 5700's 1/4000 sec shutter speed, this is not the case because 1/4000 sec is too short for the flash to reach its peak, and before the flash discharge completes, the shutter closes.
	www.cs.mtu.edu /~shene/DigiCam/User-Guide/EXT-FLASH/BASICS/sync-speed.html (822 words)

	Shutter Speed Tester for Photographers (Site not responding. Last check: 2007-11-07)
		The indicated speeds for higher shutter speeds will be lower than the markings due to the fact that the meter measures the open time of the center of the shutter rather than the equivalent time which is what the calibrations indicate.
		The shutters are calibrated at the highest speeds for the _equivalent_ shutter speed with the lens wide open.
		If the shutter is traveling across in exactly 1/60th of a second the image should be a narrow diagnonal with lines from top to bottom (it may be 2 partial diagonal lines depending on when the shutter starts relative to the TV refresh).
	medfmt.8k.com /mf/shutterspeed.html (19694 words)

	Exposure
		If you're using high-speed (sensitive) film and have a slow shutter that must expose the film for at least 1/500th of a second, using a smaller aperture is the only way to prevent too much light from striking the film and overexposing it.
		For a given amount of exposure on the film, the shutter speed can be determined by the aperture that you set for aesthetic purposes.
		You can get away with slower shutter speeds if you either (1) brace yourself against a solid object, (2) rest the camera/lens on a solid object, or (3) use a lens with electronic image stabilization, as explained in the photo.net review of the Canon 600/4 IS lens.
	www.photo.net /photo/tutorial/exposure (2919 words)

	Exposure Value (EV) Table
		Shutter speeds are usually measured in fractions of seconds, with the standard sequence having an approximately 1:2 ratio between the neighbors:
		The difference between two neighboring shutter speed or aperture values is often called a "stop", or "full stop".
		Within certain limits, when the aperture is opened (aperture value decreased) by one stop, and the shutter speed shortened (shutter speed value increased) by one stop, the resulting exposure on the film remains the same.
	www.chem.helsinki.fi /~toomas/photo/ev.html (687 words)

	JPW Glossary (Site not responding. Last check: 2007-11-07)
		The Shutter Speed is the length of time that the shutter stayed open and let light onto the CCD or film.
		For example, if you take a photo of a fast moving object and use a shutter speed of 1/500 of a second, the object will only have moved a tiny distance while the camera was capturing it, and so it will appear crisp in the photo.
		Shutter speeds of less than 1/60 of a second are often subject to blurring due to “camera shake”.
	www.joshuaclifton.com /friend/Glossary.php (1930 words)

	Underwater Photography
		Shutter speeds are expressed in fractions of a second that the shutter is open: 1/30, 1/60, 1/125, 1/250, 1/500, and so on.
		Notice how each fraction is doubled from one shutter speed to the next, or decreases by half, respectively; indicating that the shutter remains open twice as long, or closes in half the time.
		You can use shutter speed to “stop” action: The quicker the action, the higher the shutter speed needs to be in order to freeze that action.
	www.vividlight.com /articles/1514.htm (918 words)

	Setting Film and Shutter Speed
		To get a shutter speed of 1/75 second, you must rotate the dial so that the index mark (fl dot) is slightly closer to the 100, nearly 60% of the way from 50 to 100.
		If you have moved the shutter speed dial while the camera is open, the gears may be misaligned and not mesh.
		Thus, it is possible to accurately set a film speed of 16 on the low end and 640 on the high end while using the standard "100 shutter speed" setting.
	www.slonet.org /~mhd/minox/speed.htm (931 words)

	BoBShotS Photography - Exposure Calculator Using Light, Film, Aperture and Shutter Speed
		For ease-of-use, the standard f/stop and shutter speed values typically shown on cameras and lenses are often rounded to the nearest convenient number.
		For example, the exact shutter speed of "1/512th" of a second is rounded to "1/500*" (the asterisk indicates a rounded value).
		Due to the wide range of f/stop and shutter speed values, only the more commonly used values are graphed: f/stops between f/1 and f/32 and shutter speeds between 1/15 and 1/1000 seconds.
	www.robert-barrett.com /photo/exposure_calculator.html (1307 words)

	Camera Lounge: Exposure & Shutter Speed
		Shutter speed also affects the way a moving or static subject is recorded
		If hand holding a shutter speed that is at least equivalent to the focal length of the lens is advised.
		A slower shutter speed creates movement in the image as the shutter is still open while the image moves across the lens.
	www.cameralounge.com /2005/08/exposure-shutter-speed.html (361 words)

	Videomaker Magazine Shutter Speed Tips
		So the faster the shutter captures that image, the more likely the image being shot will be clear and sharp, while conversely a slow shutter speed will cause fast moving objects to blur.
		So you would need a faster shutter speed (like 1/125th or greater) to ensure that the person is frozen in time.
		Understanding how the shutter speed works is the first step towards deciding when it’s the right time to control the camera by yourself, so that you can get the results you want.
	www.videomaker.com /scripts/article_print.cfm?id=10418 (1355 words)

	Camera Shutter Speeds explained technique
		If the shutter speed is slow they’ll record as a blurred and distracting object, but if it’s extremely long the blurred person walking across the path of the view will be so blurred it won’t even be recognisable and won’t affect the picture.
		Then fire the shutter with a speed of between one and 15 seconds depending on the length of streak you require.
		Then, with the camera on a slow shutter speed fire the shutter release and rotate the zoom barrel so it moves from one end of the focal length range to the other during the exposure.
	www.ephotozine.com /techniques/viewtechnique.cfm?recid=248 (1341 words)

	Shutterspeed: Exposure: Glossary: Learn: Digital Photography Review
		Normally this is achieved by a mechanical shutter between the lens and the film or sensor which opens and closes for a time period determined by the shutterspeed.
		Electronic shutters act in a similar way by switching on the light sensitive photodiodes of the sensor for as long as is required by the shutterspeed.
		The motion blur and speed effects were further enhanced using techniques described in my interactive e-book.
	www.dpreview.com /learn?/Glossary/Exposure/Shutterspeed_01.htm (309 words)

	Weeno: How To Understand your Camera and Film 2: 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.
	www.weeno.com /art/0599/55.html (407 words)

	WakeWorld Discussion Board: Shutter Speed
		If you like to follow the rider (panning) you can use a slower shutter speed (maybe 1/60) and still stop the rider's action, but the background will show motion.
		Most newbie photgraphers can't pan very well, and have a tendancy to jerk the camera when they trip the shutter, so a faster speed is better.
		Slower shutter speeds will bring the background into focus (pinhole effect), but you may blur fast moving objects (water droplets).
	www.wakeworld.com /MB/Discus/messages/65919/75079.html?1059947790 (2084 words)

	Subject Movement Shutter Speed Too Slow (Site not responding. Last check: 2007-11-07)
		The faster that the subject is moving, the higher the shutter speed necessary.
		They will not take good action pictures indoors without flash or on very dull days because the shutter speed is programmed to slow down to let in more light under these conditions.
		shutter speed used was too slow to stop the action.
	nicephotostudio.com /tips/subject_movement.htm (236 words)

	StokedaSoul.com\|Camera shutter speed (Site not responding. Last check: 2007-11-07)
		Shutter speed and aperture are important because they have an effect on how the resulting photograph will look.
		Fast shutter speeds freeze the action, resulting in sharp and crips photos.
		I choose to shoot this picture with a slower shutter speed and attempt to use the subsequent blur to show the speed and tempo of the game.
	stokedasoul.com /Z_Article0002.htm (519 words)

	Informacoes sobre cameras Reflex SLR
		Modifying the shutter speed and/or lens aperture recommended by the camera's light meter in order to produce special creative effects or to meet special requirements.
		Autoexposure metering where the camera sets both aperture and shutter speed according to data stored in the camera's built-in memory, comparing the scene to be photographed to reference scenes.
		At the T setting, the shutter remains open until, for example, it is closed by rotating the shutter speed dial, etc.
	www.etronics.com.br /comparativo/glossario_SLR.htm (1510 words)

	Test Equipment / Shutter Speed Tester
		For a set aperture and light level (magnitude), then the faster the shutter speed (duration) the less voltage is stored.
		Better yet, compile data from several known accurate shutters to be even mor accurate.
		What I am working on is using my laptop and a parallel port adapter to do apertures, shutter speeds, curtain speeds and EV’s.
	www.kyphoto.com /classics/shutterspeedtester.html (389 words)

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