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EOS R6: Canon Log Settings
| Article ID: ART177934 |
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Date published: 11/19/2020 |
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Date last updated: 09/01/2023 |
Description
Canon Log Settings
Solution
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Canon Log Settings
Canon Log gamma curve takes full advantage of image sensor characteristics to ensure wide dynamic range for movies that will be processed in postproduction. With minimal loss of detail in shadows and highlights, movies retain more visual information across the dynamic range.
To work with Canon Log movies in postproduction, you can apply look-up tables (LUTs). LUT data can be downloaded from the Canon website.
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Select [ : Canon Log settings].
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Select [Canon Log].
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Select [On] ().
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Set the options as desired.
Canon Log
Note
- YCbCr 4:2:2 (10-bit) color sampling and the BT.709/BT.2020 color space are used in Canon Log recording.
View Assist.
When played on the camera, these movies may look darker and have lower contrast than movies recorded with a Picture Style applied, due to Canon Log image characteristics, which are intended to ensure a wide dynamic range. For clearer display that makes it easier to check details, set [View Assist.] to [On].
- Setting this feature to [On] does not affect movies recorded to the card, which are recorded using Canon Log characteristics. Similarly, HDMI video output has Canon Log characteristics, and View Assist is not used for it.
Note
- [
 ] is shown on the information display screen during movie recording with View Assist.
- When set to [On], View Assist is also used with magnified display.
Color Matrix
Using a color matrix, you can specify how colors are reproduced, to plan for postproduction processing.
Characteristics
Adjust as needed. Select an option ([Sharpness: Strength], [Saturation], or [Hue]), adjust the effect level, then press  .
Reds, greens, and blues cannot be adjusted separately.
Color space
[Color space] can be set when [Canon Log] is set to [On] and [Color Matrix] to [Neutral]. Choose [BT.709] or [BT.2020] as the color space for HDMI output.
Shooting Settings
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Manually setting the ISO speed to 100–320 will make the dynamic range narrower.
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Canon Log offers a dynamic range of approx. 800% at ISO 400 or higher.
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ISO 100, 125, 160, 200, 250, and 320 are expanded ISO speeds. [ ] is displayed when an ISO speed is set.
Canon Log Image Quality
- With Canon Log, movies may be affected by horizontal banding, depending on the subject or shooting conditions. Record a few test movies and check the results in advance. In particular, noise may become more noticeable if you enhance the contrast when color-grading your movies.
- With Canon Log, skies, white walls, and similar subjects may be affected by noise or uneven gradation, exposure, or colors.
- Horizontal banding is more likely to occur when recording somewhat dark, flat subjects. This image noise may even occur at relatively low ISO speeds around ISO 400.
- If noise is noticeable, try recording under brighter conditions and adjusting brightness in color grading. Noise can also be reduced by recording at ISO speeds lower than ISO 400, although dynamic range is narrower.
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SIMS Doc Id
1605817728109068438
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