Hello today I'm going to be looking at the super slow motion options on the
HERO4 Black Edition GoPro camera
Adorama TV presents Capture the Action with Martin Dorey
Hello I'm Martin Dorey and you are watching Adorama TV today I'm going to be
looking at the Super Slo Mo options on the GoPro HERO4 Black Edition camera
now when I talk about Super Slo Mo I'm talking about shooting at frames per
second rates that are more than about a hundred. This camera is capable of
shooting at 120 fps and also 240 frames per second
now that is equivalent to 1/8th of normal speed or 1/4 of normal speed
The principles of shooting slow motion are fairly simple basically if you shoot
normal speed and play it back at normal speed for some it'll be 30 frames per second
If you shoot slow motion
say you're going to be shooting at 60 frames per second then you're capturing
twice as many shots per second of action as you would with normal frame rate
Then when you play back that piece of film at a normal frame right it plays at half the speed
So the general rule is if you double the frame per second rate you
half the speed, so 60 frames per second is half speed 120 frames per second
is a quarter speed and 240 frames per second is one eighth of normal speed
so of course slow motion is really useful if you want to capture high-speed
action and slow it down to see more of what happened but actually slow motion
can also be used to enhance the atmosphere of a scene, mmm let's think about
Reservoir Dogs and those guys walking towards the camera. That is slowed down
Its got real atmosphere because of that.
Shooting slow motion can also help to take the bumps out of some shots
so if you're mounting your camera on a bike, skateboard, whatever it can be really
useful to smooth the whole thing out
and even if you play back the
same footage at the same speed it was shot say 60 frames per second because
you're capturing more information
when you capturing fast action that footage
can end up looking more detailed and slightly crisper
and of course we're going to need some fast action to shoot to demonstrate all this
So I'm going to hand you over to Will and his mates down at Crooklets Skatepark
So lets start by looking at 120 frames per second that's one quarter of normal speed now the
GoPro HERO4 Black Edition is the only one of GoPros cameras that will shoot
at this frame rate at 1080 resolution and it will shoot that in wide view and also in narrow view
Shooting using the narrow field of viewo can be quite useful with the GoPro
because it's another angle but of course because you are seeing less of what's happening
it's likely to be a bit more hit and miss, so it's a good idea to
frame up first using your GoPro app, ok now that's good but what about shooting at
240 frames per second, at 30 frames per second normal speed in NTSC, that's one eighth of
normal speeds so that's quite good slow mo really good for capturing super fast
action, however the GoPro HERO4 Black Edition will only capture 240 frames per
second in WVGA mode, like the HERO3+
but it will, once you've downloaded the 3.0 firmware it will shoot at 720 in narrow field of view
now obviously that's a compromise between features and quality and the narrow view is is useful
but may perhaps not as useful as ultra wide but it's possible
but look the 240 fps even though it is a compromise to some extent, it's worth a look anyway
let's go back to the skatepark and see how they're getting on
Now if you don't want to compromise on your quality and you want to keep the frame rate up
but you still want to shoot super slow motion you can always slow down the footage in the GoPro
edit suite, however there is one problem there, because you're only collecting say 30 fps
if you slow it down to 240 you're going to get really really juddery
action and that's a kind of, it doesn't look so great, it looks a bit like cheap
slow mo, so a compromise might be to shoot 1080 at say 80 fps or 420 fps
then halve the speed which should give you a nice balance, so it's not a bad
compromise I have to say and it still looks pretty cool!
That's it for now thanks for joining me on Adorama TV today don't forget to subscribe to Adorama TV for
more great videos also don't forget you can go to the Learning Center for more
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finally if there is anything you want to know just get in touch thanks for joining me see you next time.
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