Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 400)

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 800.
If noise is noticeable, try recording under brighter conditions and adjusting brightness in
color grading. Although dynamic range is narrower at ISO speeds lower than ISO 800,
noise can also be reduced by recording this way.
Caution
General Canon Log shooting precautions
Canon Log and Canon Log 2 are not supported.
With Canon Log, autofocusing may be more difficult for subjects under low light, or
for low-contrast subjects. Difficulty in autofocusing can be reduced by shooting
near maximum aperture or using a bright lens.
Noise may appear at image edges if [
Peripheral illum corr ] in [ : Lens
aberration correction ] is set to [ Enable ] when Canon Log is set.
Histograms with [ Canon Log ] in [ : Canon Log settings ] set to [ On ( ) ] are
not based on conversion for View Assist display. Image areas shown in gray in the
histogram roughly indicate signal values that are not used.
Note
Playing back movies recorded with Canon Log
View Assist is not used during movie playback.
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