Canon IXUS 990IS - Manual (Page 99)

AE Lock/Exposure Shift
99
Image Quality Table
Estimated Shooting Times
You can set the exposure or change it in 1/3 steps within a range of ±2.
Focus.
Lock the exposure.
● Press the o button to lock the exposure.
The exposure shift bar appears.
● Press the o button again to release the lock.
Change the exposure.
● While watching the screen, turn the Â
dial to adjust the brightness.
Shoot.
Image Quality
(Recording Pixels/Frame Rate)
Content
1280 × 720 pixels, 30 frames/sec. For shooting high-definition movies.
640 × 480 pixels, 30 frames/sec. For shooting standard quality movies.
320 × 240 pixels, 30 frames/sec.
Since the number of the recording pixels is
smaller, the image quality will be lower than with
, but you can record three times the length.
Image Quality
(Frame Rate)
Shooting Time
2 GB 8 GB
10 min. 53 sec. 43 min. 32 sec.
23 min. 49 sec. 1 hr. 35 min. 11 sec.
1 hr. 13 min. 10 sec. 4 hrs. 52 min. 24 sec.
• Based on Canon’s testing standards.
• Recording will automatically stop when either the clip file size reaches 4 GB or the
recording time reaches approximately 29 minutes and 59 seconds in
, 1 hour in
and .
• Recording may stop even if the maximum clip length has not been reached on some
memory cards. SD Speed Class 4 or higher memory cards are recommended.
AE Lock/Exposure Shift