FullHD video on a DSLR

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I hope the issue will be without holivarov. It is desirable to bypass a theme of the wisdom of removing the video on DSLR.

I had 5 years ago a digital camera Canon S5 IS, bought for 12тр. Altechno shot video on the claimed resolution of 640x480, the video was clear, the specified permission is "honest."

Now I bought a Nikon D5100 which claimed video of 1920x1080, but no matter how I tried, I can't shoot steady videos with FullHD resolution.
Changing in photoshop the size of the clear freeze frame from the video, trying to achieve clarity, I came to the resolution 800х450. This is the resolution at which a still image it became clear.

There actually arose a question for You: do Not prompt for an SLR camera with possibility of shooting video with an honest FullHD resolution (i.e., so that the picture will be clear). It is very important that the price of the camera with the lens was not above 50t.R.
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Have a Nikon D5100 should all be "honest" with FullHD resolution, possibly "fuzzy" footage video blame the fact that you had set a low shutter speed (see for example the lesson about the shutter speed on Vimeo).
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And in General — if the goal is shooting video for this traditionally prefer Canon cameras. They have a special firmware Magic Lantern which facilitates the video shooting.
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The canons are the most popular in the field of DSLR video, and with this budget you can afford a Canon 7D or even a full-frame Canon 5D Mark II and the video I think you'll be pleased
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Why do you freeze?
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Buy the camera where you can adjust the exposure when shooting movies.
In good light short exposure time frame will give you a clear picture of the stop frame.
But that video is usually "strobic" when viewing — change frame becomes visible to the eye (with FPS close to 30). But it's important depending on the scene and plot. For example, often the dynamic of the story better slower shutter speeds, so shots were blurred.
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Well, about the focus correctly wrote above. The camera must be able to quickly refocus while shooting. If she can't or can, but not quickly — you will have soap.
It depends not only on camera and lens.
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With this budget I would look at the line 550D/600D + good ultrasonic lens + spectralive.
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An important factor in the choice of apparatus, the presence of focus tracking.
If not, continuously press the focus button — not the most grateful.
You also need to pay attention to the sound, some camera are very well record the sound of the engine, which carries out the change of focus.
About a year ago I was interested in the subject, tracking focus was then only at sonek A series: A33, A55.
But they cannot be called a full-fledged SLR in the classic sense — they have the mirror does not rise, and shooting is implemented by using translucency that will have an impact eventually on the feature photo.
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Changing in photoshop the size of the clear freeze frame from the video, trying to achieve clarity, I came to the resolution 800х450. This is the resolution at which a still image it became clear
Smudges, blur.
The resolution is 1920x1080 then You can and honest. But "exposure"(with regard to video how long it takes for one frame), when lighting is poor, could be 1/25 but when you're shooting handheld or shooting moving objects is "Repin's painting — sailed".
For the dough — put the camera on a Sunny day on a stationary object and shoot video then pull a frame from the middle of the view.
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Not holivara for the sake of, BUT when choosing a camera, too, thought can take a DSLR, etc... found on the forum ixbt.com a huge topic about this, looked at examples, etc...
It is godless and is a Scam.
Want good video get the camera.
Want cool artistic photos, take a DSLR.
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This is akin to the Telecom...
want the texts to read? Monique hook up? take LCD
want to watch a movie, sports? take plasma
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Some time ago moved from Canon camcorders Legria HF S21 on a DSLR (shooting small videos, not "home" use). Immediately noticeable that the quality is much higher. Sensitivity to altitude. Moreover, to remove convenient: many Softpedia buttons, large focus ring, all settings. Not to compare with a touchscreen.
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I use Canon 550D kit. Put links on several screens with video 1920x1080@24fps.
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Video frame:
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Photos, compressed photoshop to 1920х1280:
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Still shots from the video:
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Almost all the screens with very bad lighting :( But it is possible to evaluate the sensitivity.
The clarity of the video greatly affects the exposure. If you need mega-clarity, restraint should be put shorter, 1/125, for example. But in fact in the video it is not required since a slightly blurred image nicer to look at. View any movie, there is always a way.
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Seen in the Internet a comparison of 5D and 550D in terms of video. Almost no difference, only more 5D matrix => sensitivity to altitude.
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