Canon EOS C300 Instruction Manual page 35

- The level of correction will be lower the higher the ISO speed/gain setting used.
- No correction will be applied when correction data is not available for the lens attached.
- When using EF-S lenses, peripheral illumination fall-off may be more pronounced.
- When using non-Canon lenses, peripheral illumination will not be corrected. Even if the [~ Camera Setup]
> [Periph. Illum. Corr.] setting is available (not grayed out), it is recommended to set it to [Off].
# Updating the Firmware of an EF Lens
You can update the lens firmware of the EF lens attached to the camcorder. For details about firmware updates
for EF lenses, visit your local Canon Web site.
Operating modes:
1 Download the lens firmware update file from the Canon Web site and
save it on an SD card. Insert the SD card containing the lens firmware
update into the SD card slot.
2 Attach to the camcorder the lens you wish to update and open the
[Lens Firmware] submenu.
[w Other Functions] > [Lens Firmware]
• The current lens firmware version will appear on the screen.
• If the [Lens Firmware] submenu is grayed out, the attached lens may not support firmware updates or the
SD card used may not contain a valid lens firmware file. Check the lens and SD card and repeat the
procedure from the beginning.
3 Select [OK] and then press SET.
4 Select the lens firmware file (file extension .LFU) and then press SET.
5 Select [OK] and then press SET.
• The lens firmware will be updated. Once in progress, the lens firmware update cannot be canceled.
6 When the confirmation message appears, press SET.
IMPORTANT
• Be sure to observe the following precautions while the lens firmware is being updated.
- Do not disconnect the power source or turn off the camcorder.
- Do not remove the lens.
- Do not operate any buttons or controls on the camcorder.
- Do not open the SD card compartment cover and do not remove the SD card.
NOTES
• The lens firmware cannot be updated while pre-recording is activated.
• We recommend that you power the camcorder from a household power outlet using the compact power
adapter or use a sufficiently charged battery pack.
• When using an optional EF Extender, remove the Extender before performing the procedure.
Preparing the Camcorder
[w Other Functions]
[Lens Firmware]
35