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Time Lapse Calculator

Plan a time-lapse: shooting time and frame count.

Clip length

Playback frame rate (fps)

Shooting interval

Calculated Output

Frames needed 480

Shooting duration 40

Formula: frames = clip * fps; time = frames * interval

Step-by-Step Breakdown

1. Values used:

2. Clip length = 20

3. Playback frame rate = 24 fps

4. Shooting interval = 5

6. Frames needed = Clip length x Playback frame rate = 20 x 24 = 480

7. Shooting duration = 40

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The math behind it

frames = clip length x fps. Total shooting time = frames x interval between shots.

A 20 s clip at 24 fps with a 5 s interval needs 480 frames over 40 minutes.

What interval should I use?

Short for fast motion (1-2 s), long for clouds or stars (15-30 s).