Aperture; Manual Aperture: Changing The Aperture Value - Canon EOS C300 Mark III Manual

Aperture

In CAMERA mode, you can affect the brightness of your recordings or change the depth of field by adjusting the
aperture. Depending on the lens used, the aperture value displayed may differ (F value or T value) and available
aperture values will vary as well. You can select the adjustment increment and even use the smallest iris
increment allowed by the lens.
When the optional SG-1 Shoulder Style Grip Unit is connected to the camera, you can also adjust the aperture
using the grip.
Manual aperture: Adjust the aperture value manually using the direct setting mode or the control dial on the
camera or on the camera grip; or remotely, using Browser Remote on a connected network device (A 181,
184).
Push Auto Iris: Momentary automatic aperture. During manual aperture, press the PUSH AUTO IRIS button or
use Browser Remote to temporarily adjust the aperture automatically.
Automatic aperture: The camera adjusts the aperture automatically.
Required settings on EF Cinema lenses and broadcast lenses
To adjust the aperture from the camera, you will need to enable automatic adjustment using the controls on the
lens. Required settings vary depending on the lens. Refer to the following table and the instruction manual of the
lens used.
Lens (A 237)
CN7x17 KAS S/E1, CN7x17 KAS S/P1,
CN10x25 IAS S/E1, CN10x25 IAS S/P1,
CN20x50 IAS H/E1, CN20x50 IAS H/P1,
compatible broadcast lenses
CN-E18-80mm T4.4 L IS KAS S,
CN-E70-200mm T4.4 L IS KAS S
NOTES NOTES
• When the optional SG-1 Shoulder Style Grip Unit is connected to the camera: To adjust the aperture from the
camera, set the SG-1's IRIS (aperture control) switch to the A position. For details refer to the Cinema EOS
System Expansion User Guide.

Manual Aperture: Changing the Aperture Value

1 Select > [ v Camera Setup] > [Iris Mode] > [Manual].
• This setting is available only when a lens compatible with automatic aperture is attached to the camera. For
non-compatible lenses, the aperture mode is automatically set to [Manual] and cannot be changed.
• When using a compatible EF Cinema/broadcast lens, enable automatic adjustment on the lens (A 73).
v
2 Select > [ Camera Setup] > [Iris Increment] > [1/2 Stop] or [1/3 Stop].
• You can also set
allowed by the lens attached. Nevertheless, the aperture value displayed on the screen will be the closest
value in the selected increment scale.
3 Adjust the aperture value using the direct setting mode (A 67).
• The selected aperture value will appear at the bottom of the screen.
Part used on the lens
Iris operation change-over switch
Iris auto/manual change-over switch
> [v Camera Setup] > [Fine Increment] to [On] to use the smallest iris increment
Aperture
Setting for automatic adjustment
A
A
73