Help Guide

64
Index
Appendix
Errors and Warnings
Troubleshooting
Settings
Playback
Shooting
Setup and Basics
Learning About the Camera
Accessories
Wireless Features
Wireless Features/Accessories
● [Diffraction correction] corrects loss of sharpness not only from
diffraction but also from the low-pass lter and other factors. Thus,
correction is also effective for exposures with the aperture wide open.
Lens Correction Data
● When [Correction data not available] is displayed on the setting
screen, correction data has not been added to the camera. Note the
following about adding correction data.
- Lens correction data for lenses compatible with this feature is
registered (stored) on the camera. Correction is automatic when you
enable [Peripheral illum corr], [Distortion correction], [Digital Lens
Optimizer], or [Chromatic aberr corr].
- Using EOS Utility, you can check which lenses have correction data
registered on the camera. You can also register correction data for
lenses that have not been registered yet. For lenses with internal
correction data, there is no need to register the information on the
camera. For details, refer to the EOS Utility instruction manual.
- Existing JPEG images cannot be corrected.
- Effects of correction are not shown on images when you shoot with
magnied display in the case of [Peripheral illum corr], [Distortion
correction], [Digital Lens Optimizer], or [Diffraction correction].
- The amount of correction (except diffraction correction) is less for
lenses that do not provide distance information.
- Effects of lens aberration correction vary by lens and shooting
conditions. With some lenses and under some shooting conditions,
effects may be less noticeable.
- Results of shooting without registering lens correction data on
the camera are the same as shooting with [Peripheral illum corr],
[Distortion correction], [Digital Lens Optimizer], and [Chromatic aberr
corr] set to [Disable].
Using Multi Shot Noise Reduction
● Unexpected results may occur if images are quite misaligned (from
camera shake, for example). Mount the camera on a tripod or take
other measures to keep it still, if possible.
● If you shoot a moving subject, the subject’s movement may leave
afterimages or the surrounding area of the subject may become dark.
● Depending on shooting conditions, noise may appear on the image
periphery.
● Flash shooting is not possible.
● Recording the image to the card will take longer than with normal
shooting. You cannot take another shot until processing is nished.
Adding Dust Delete Data to Images
● After Dust Delete Data is obtained, it is added to all captured JPEG
and RAW images. It is a good idea to acquire Dust Delete Data again
or update it before important shooting occasions.
● For details on using Digital Photo Professional (software used with
EOS cameras) to erase dust spots automatically, refer to the Digital
Photo Professional instruction manual.
● The size of Dust Delete Data added to images is negligible and has
essentially no effect on image le sizes.
● Shoot a solid-white object, such as a new sheet of white paper. Any
patterns or designs may be misinterpreted as dust data and affect the
accuracy of the dust deletion.
Reducing Noise at Slow Shutter Speeds
● There may be a delay before you can shoot again, as the camera
reduces noise in images.
● Images shot at ISO speeds of 1600 or higher may be grainier with
[Long exp. noise reduction] set to [ON] than [OFF] or [AUTO].