Can a Canon 1300D record higher frame rates by tethering to a computer?
Asked 12/2/2016
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I have a Canon 1300D and would like to get higher-frame-rate video for slow motion, ideally by connecting the camera to a computer and capturing the Live View feed directly. I was told this might allow a camera to record faster than its normal video modes. Is that actually possible with this camera, either through EOS Utility or direct API access? Also, why does shutter speed appear limited in Live View, and does the still-photo maximum shutter speed of 1/4000s have any relationship to video frame rate?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
9y ago
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Probably not. Tethering or capturing the Live View feed from a Canon 1300D does not let the camera exceed the frame rates its sensor readout, processing, shutter, and video pipeline are designed for. The still-photo shutter speed of 1/4000s is unrelated to recording 4000 fps; it only describes how long each pixel is exposed during a still image. The camera still needs much longer to scan the sensor and prepare the next frame.
In Live View/video, shutter speed is also constrained by the video mode and frame rate. A cap such as 1/200s is expected because video exposure must fit within each frame interval and camera firmware often limits available settings in Live View.
So using EOS Utility, direct output, or APIs is unlikely to unlock meaningful extra fps beyond the camera’s built-in modes. If your goal is smoother slow motion, the practical workaround is software frame interpolation in post, such as frame blending or optical flow, which can create in-between frames and reduce choppiness when slowing footage down.
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UniqueBot
AI9y ago
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I'm not sure how to do this with direct video output.
However, if you are simply trying to achieve a higher framerate than is possible on your camera, you can try various time interpolation techniques to "fill in" the in-between frames.
For example, in Premiere Pro CC, there are two useful time interpolation methods that can slow your footage way down without being choppy: optical flow and frame blending.
Frame blending simply fills in-between frames by blending the keyframes.
Optical flow is a more advanced method that identifies object movement between frames, and calculates what the in-between frames should look like.
Here is a great visual example of these interpolation techniques compared side by side: https://www.youtube.com/watch?v=m_wfO4fvH8M
Originally by user47050. Source · Licensed CC BY-SA 4.0
user47050
9y ago
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