there aren't many better ways to capture a moment in time than taking a great
photo but how do you do this when that moment passes in the blink of an eye and
the photo you took comes out super blurry or what if you want to capture a
sense of movement in a photo but you don't want it to look like one giant
smear this is where knowing how to properly
adjust your camera's shutter speed can be the key to getting your shots perfect
along with aperture and iso which we previously covered here on techwiki
shutter speed is one of the three key exposure variables that will affect how
a picture looks shutter speed is simply a measure of how
long the cameras you guessed it shutter
stays open to let light through unlike aperture which is a measure of
how wide the shutter opens and iso which
controls the sensitivity to light the shutter speed directly affects how long
the camera will physically see whatever
it's pointed at meaning that if you have two cameras pointing at the same moving
object but with significantly different shutter speeds the two pictures will
come out looking dramatically different
why is this well if you have your camera set to a
slow shutter speed the shutter will be open long enough to capture a fast
moving object traveling from one place to another and since you're recording a
still image not a video which is comprised of
multiple still images this will just come out as a blur a fast shutter speed
on the other hand will open and close so quickly that you won't see much motion
at all just like it's harder for you to perceive something as actually moving if
you open and shut your eyes very very quickly so the result then is a frozen
moment captured in the photo without blurring now typically shutter speeds
are measured in fractions of a second with speeds between 1 60th of a second
and 1 250th of a second being common for
everyday photography such as landscape shots or casual portraits of your
friends but what if you're getting shots of something like a basketball game where
the players are running up and down the court or you're doing nature photography
and need to capture a fast-moving bird or wildcat
this is where much quicker shutter speeds come in handy to prevent blurring
and higher end cameras can have shutter speeds as quick as 1 4 000
or 1 8 000 of a second and some highly
specialized cameras can even handle one sixteen thousandth of a setting that can
capture really cool shots like a bullet
as it travels through the air well hold on a second then
our fast shutter times always the best thing then
well although slow shutter speeds can produce
undesirable blur in some situations in
others they can produce really cool effects that you just can't get any
other way have you ever seen those shots of cities
at night where highway traffic just looks like long red and white streaks
those were produced by using long shutter speeds of two seconds or even
longer because while things like buildings and street signs will stay in
one place the cars are obviously moving
meaning that you can get those cool light streaks without making the city
around them look blurry slow shutter speeds are also useful for making
waterfalls look like they're moving without affecting the rest of the photo
and even showing the movement of stars across the night sky where a shutter
might be open for hours at a time just
make sure you're using a really stable tripod or something else to keep your
camera in one place so that final shot looks crisp and sharp another thing to
keep in mind is that shutter speed affects the amount of light hitting your
image sensor so make sure that you're adjusting your
iso and your aperture to compensate if you're going to be experimenting with
really fast or really slow shutter speeds but once you master shutter speed
you'll be able to do some extremely cool things with your camera if you're in the
right place at the right time you might even get some sick shots of taryn
pulling off stunts on his razer scooter
and somewhat ironically this is a video about still photography today's episode
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