Video for Photographers Quiz: Log Profiles and Exposure

Apply your photography knowledge to video capture. This quiz covers the 180-degree shutter rule, log profiles, exposure monitoring tools, and the key differences between still and motion image capture.

Quiz 47: Advanced Video-Stills Crossover: Log, ETTR, and 180 Rule

The 180 degree shutter rule implies shutter speed about:

2x frame rate

1 divided by (2x frame rate)

1 divided by frame rate

1 second always

Shooting log profiles aims to:

Reduce dynamic range

Preserve dynamic range for grading

Increase sharpening

Fix focus

ETTR in video is constrained by:

Aperture only

Highlight clipping and monitoring tools like zebras

Color space only

Lens distortion

ND filters in video are used to:

Raise ISO

Maintain desired shutter/aperture in bright light

Improve AF

Increase saturation

In video, shutter speed affects motion blur similarly to:

Still photos only

Exposure and motion rendering

White balance only

Focus only

Log footage generally requires:

No grading

Color transform or LUT and grading

JPEG export

Flash

Bit depth matters more in log because:

It increases megapixels

Grading stresses tonal precision and can cause banding

It changes focal length

It reduces rolling shutter

10-bit vs 8-bit advantage is mainly:

Smaller files

More tonal steps for grading

Faster autofocus

Better lens sharpness

A common problem in log footage is:

Too much contrast baked in

Underexposure leading to noisy shadows

Too much sharpening

Too much flash power

"Highlight rolloff" refers to:

Faster shutter

How highlights transition into clipping

Focus breathing

Rolling shutter

Using too fast shutter in video often causes:

Smooth motion

Stuttery, choppy motion

Better WB

Less noise

Log is not:

A way to capture more dynamic range

A guarantee of better image without grading

A flatter encoding

A grading workflow

Zebras are used to:

Track focus

Monitor exposure thresholds

Increase ISO

Stabilize footage

Waveform monitor shows:

Focus plane

Luma levels across frame

Lens distortion

File size

Advanced video capture is about:

Random settings

Controlled exposure and color pipeline end to end

Auto WB only

Maximum sharpening

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