Pentax *ist DS Review
Top of camera controls (right)
Just three controls on the top right side of the *ist DS, the power / DOF preview switch, the shutter release button and the exposure compensation / aperture value button.
|Av||Exposure compensation / Aperture value
Hold this button and turn the command dial to set exposure compensation (-2.0 to +4.0 EV in 0.3 or 0.5 EV steps) - not available in all modes. In manual exposure mode hold this button and turn the command dial to set aperture, turn the dial on its own to set shutter speed.
Top of camera controls (left)
On the left top of the camera is the exposure mode dial. This is noticeably different to the *ist D and hints at the target audience for this camera, the novice photographer. The 'Auto Pict' mode is highlighted with a large green surround indicating that this is the recommended mode. Counter-clockwise to that are seven picture modes, clockwise from Auto Pict are the standard SLR exposure modes.
When you turn the exposure mode dial the camera will indicate the selected mode on the LCD monitor along with a brief description.
Exposure Mode Dial
|P|| Program Auto Exposure
In this mode the camera automatically selects aperture and shutter speed based on the current metered exposure value, exposure compensation and selected ISO sensitivity. Note that the *ist DS does not have program shift or 'hyper program'.
|Tv||Shutter Priority 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. Turn the front command dial to select shutter speed (0.3 or 0.5 EV steps). The camera automatically calculates the appropriate aperture for correct exposure.
1/4000, 1/3200, 1/2500, 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, 20, 25, 30 sec
|Av|| Aperture Priority
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. Turn the rear command dial to select aperture (0.3 or 0.5 EV steps). The camera automatically calculates the appropriate shutter speed for correct exposure. (Exact range depends on lens used)
In this mode the shutter is open for as long as you press the shutter release button. Select aperture by turning the command dial.
We will add more detail to each of these modes as soon as we receive a user manual from Pentax. Note that the selected mode is indicated on the viewfinder status line.
Night scene portrait
|Fangorn Forest by cand1d|
|Yosemite Falls with Moonbow by Jonathan Shapiro|
from Best Landscape of the Week 4
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