Knob

Camera settings

You might say: frame rate, shutter speed, exposure

Frame rate, shutter speed, aperture and ISO. The 180-degree rule sets the shutter to 1 / (2 × frame rate): 1/50 s at 25 fps.

What it does

Controls motion blur, exposure and noise, and how motion looks.

Ask

What frame rate am I delivering, and does the shutter match it?

Typical

24, 25, 30 or 60 fps; shutter ≈ 1/(2 × fps)

Trouble

Jerky motion from a too-fast shutter, flicker under mains lighting, or noise from high ISO.

What to look for

1. Motion blur matching the movement
2. Exposure and noise in the image
3. Flicker under mains lighting

Catalogue: Frame rate

• 25 fps: Shutter about 1/50 s. PAL regions (50 Hz mains).
• 24 fps: Shutter about 1/50 s. Cinema look.
• 30 fps: Shutter about 1/60 s. NTSC regions (60 Hz mains).
• 60 fps: Shutter about 1/120 s. Smooth motion, slow-mo.

Sources

1. YouTube Help, Recommended upload encoding settings, Frame-rate recommendationsContent should be encoded and uploaded in the same frame rate it was recorded.
2. ARRI, ALEXA 35 User Manual, §8.4 Shutter, p. 43Shutter angle and sensor frame rate determine exposure time of the sensor in seconds by the following equation: exposure time = shutter angle / (360 x FPS).

Use it on your project

teardown-apply: hold "Camera settings" (camera-settings) from the teardown at https://teardownatlas.com/content-creation/ against my project

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