Canon PowerShot G6 Review
Rear of camera controls
On the right side of the rear of the camera is a clear area for your thumb to grip, the only button which is immediately 'under your thumb' is the AE/FE-lock button (*). The (metal) exposure mode dial is positioned in such a way as to be easy to turn with your thumb. Below this is the flip-out LCD and to the right of that the the four way controller and a group of four buttons. At the top left of the camera rear are the macro and manual focus buttons.
Camera has complete control over exposure, point-and-shoot operation, the majority of manual features are disabled, you can't alter exposure compensation, ISO or use RAW mode. You can set flash mode, macro and image size / quality.
|P||Program Auto Exposure
Very similar to AUTO exposure but you have access to all the normal manual controls, can set the ISO, exposure compensation, use AE lock, bracketing etc. The G6 has program shift (although it's not immediately obvious), activate shift by pressing the * (AE/FE-Lock) button, then turn the main dial to select from various equivalent exposures.
Example (pressing * metered 1/50 sec, F4.0):
1/30 sec, F4.5 (turn left)
1/40 sec, F4.0 (turn left)
1/50 sec, F4.0 (metered)
1/60 sec, F3.5 (turn right)
1/80 sec, F3.2 (turn right)
|Tv||Shutter Priority Auto Exposure
In this mode you select the shutter speed and the camera will calculate the correct aperture depending on metered exposure, exposure compensation and ISO sensitivity. Shutter speed is displayed on the LCD / EVF and display panel, turn the main dial to select different shutter speeds. Available shutter speeds:
1/2000, 1/1600, 1/1250, 1/1000, 1/800, 1/640, 1/500, 1/400, 1/320, 1/250, 1/200, 1/160, 1/125, 1/100, 1/80, 1/60, 1/50, 1/40, 1/30, 1/25, 1/20, 1/15, 1/13, 1/10, 1/8, 1/6, 1/5, 1/4, 0.3, 0.4, 0.5, 0.6, 0.8, 1, 1.3, 1.6, 2, 2.5, 3.2, 4, 5, 6, 8, 10, 13, 15 secs
(Shutter speeds of 1.3 seconds or slower will enable the cameras noise reduction system)
|Av||Aperture Priority Auto Exposure
In this mode you select the aperture and the camera will calculate the correct shutter speed depending on metered exposure, exposure compensation and ISO sensitivity. Aperture is displayed on the LCD / EVF and display panel, turn the main dial to select different apertures. Available apertures:
Wide: F2.0, F2.2, F2.5, F2.8, F3.2, F3.5, F4.0, F4.5, F5.0, F5.6, F6.3, F7.1, F8.0
Tele: F3.0, F3.5, F4.0, F4.5, F5.0, F5.6, F6.3, F7.1, F8.0
Full Manual Exposure
|Custom Settings 1 & 2
Recalls saved settings from any of the P, Tv, Av or M exposure modes. This restores all parameters applied at the time of saving including zoom and focus distance (if manual focus).
Aperture / Shutter speed limitations
Because the G6 (like many other compact digital cameras) has a combined aperture / shutter mechanism it can only achieve the very fastest shutter speeds with a relatively small aperture. These limitations are detailed below.
Max. Shutter Speed
(35 mm equiv.)
|F2.0 - F3.5||1/1250 sec|
|F4.0 - F8.0||1/2000 sec|
(140 mm equiv.)
|F3.0 - F5.0||1/1250 sec|
|F5.6 - F8.0||1/2000 sec|
Scene Exposure Modes
The exposure modes described below are designed to be easy to use camera presets. Macro focus, image adjustments (ISO, contrast, sharpening, saturation), AEB, AE Lock, FE Lock, metering and RAW mode can not be selected in these modes.
In this mode apertures are kept as large as possible (small F number) to produce a blurred background to help define the subject in a portrait shot. Note: Macro focus is available in Portrait mode.
In this mode the flash is by default disabled (although you can enable it) and focus is locked at infinity. Apertures are kept as small as possible (large F numbers) to produce the largest possible depth of field. Macro focus is also disabled. Designed to be used for taking landscape shots.
Known on other cameras as "Slow Sync Flash". Put simply in this mode slow shutter speeds are used to capture a dimly lit background (buildings at night for example) and the flash fires briefly to illuminate a foreground subject. Note you can select between 1st or 2nd curtain sync.
Other Exposure Modes
Designed to make shooting of panorama / stitch shots easier. You have a choice of five different stitch modes: left-right, right-left, down-up, up-down or 4-frames in a square. The display changes to show previously shot frames in the sequence to help alignment of each frame. Exposure and White Balance are locked to the first frame.
640 x 480, 10 fps, max 30 seconds (including audio)
320 x 240, 15 fps, max 3 minutes (including audio)
160 x 120, 15 fps, max 3 minutes (including audio)
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