Pentax Optio S6 review: Pentax Optio S6

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CNET Editors' Rating

3 stars Good
  • Overall: 6.8
  • Design: 8.0
  • Features: 7.0
  • Performance: 5.0
  • Image quality: 6.0
Review Date:
Updated on:

The Good Compact and attractive design; well built; easy to use.

The Bad Photos suffer from some lens artifacts; slow; little to no manual exposure control.

The Bottom Line The Pentax Optio S6 is a well-built, compact, and attractive camera that is a pleasure to use for snapshots but won't dazzle with its photo quality.

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The aluminum-alloy, 6-megapixel Pentax Optio S6--which the company bills as small enough to fit inside a tin of Altoids (it will also fit inside a pack of cigarettes, if that's your weakness)--is a well-designed digital camera that will please casual shooters with its ease of use and build quality. Though some photo-quality shortcomings and sluggish shooting mar its overall value, Pentax's slimmest offering is a good choice for anyone looking for a pocketable camera that produces decent snapshots and looks great while doing it.

The 4.3-ounce S6 is a clean block of silver metal dominated by a 2.5-inch LCD screen and the usual array of point-and-shoot controls on the back. In addition to the standard power, shutter, zoom, playback, and menu buttons, there is a programmable function button that shifts the four-way controller to give direct access to four additional settings. Combined, the camera offers one-touch access to drive, flash, autofocus, and shooting modes as well as options such as image size, compression, white balance, and ISO sensitivity. Achieved through a clean button layout that complements an easy-to-use menu system, the S6 is a pleasure to use for snapshooters and more advanced users alike. There is no optical viewfinder, a feature being omitted from more and more manufacturers trying to squeeze bigger LCDs into ever-smaller cameras.

While the Pentax Optio S6 offers nothing terribly exciting in the features department, users will appreciate several conveniences with practical benefits. The LCD can be shut off to save battery power, though the lack of an optical viewfinder makes shooting this way difficult. An SD card slot supplements the 23MB of built-in memory, and several image parameters--sharpness, saturation, and contrast--can be adjusted beyond the default settings. There are also 13 built-in color-effect controls, including black-and-white, sepia, and other solid color tints, and a brightness filter to correct a too-dark image after it has been shot. While there are no manual or semiautomatic exposure modes, there are 13 scene modes besides Program Auto. A TV-quality movie mode captures 30fps, 640x480-pixel MPEG-4 movies using the DivX encoder. The 37.5mm-to-112.5 mm (35mm-film equivalent) lens is pretty slow at f/2.7 to f/5.2. It's also a poor macro performer, working at only the widest angle with a closest-focusing distance of 5.9 inches.

The Pentax Optio S6 feels snappy when operating the lens, menus, and image playback, but it lumbers during shooting. It takes 4.9 seconds to fire off a shot after pressing the power button, 5.2 seconds between shots without flash, and 1.5 seconds to focus on and capture a high-contrast test subject. Continuous shooting is unimpressive at a maximum 1.2fps.

The S6 also suffers from less than stellar photo quality. While many of its flaws aren't noticeable in common snapshots, discerning eyes looking at enlargements will be disappointed. Numerous lens flaws contribute to corner softness and vignetting (darkening of the corners), as well as a slight and asymmetrical barrel distortion--in which straight lines bend outward--that remains, oddly, in the telephoto end, where lines usually curve inward. There's also a noticeable green fringing around moderately backlit objects. Both of these oddities can likely be attributed to Pentax's new lens design. The sensor is remarkably clean until ISO 400, where it exhibits an ugly multicolored noise pattern. But it also yields a sometimes oversharpened, videocam look with white halos around high-contrast areas, as well as poor shadow detail. All is not poor in the S6's image, though. Colors, including flesh tones, are natural and pleasing, and flash exposure is even and accurate, with an additional Soft Flash option for close-ups.

The Pentax Optio S6 is a great camera--as long as you're shooting slow-moving subjects for 4x6-inch prints or Web galleries. For real snapshot photography, it's just OK.

Shooting speed
(Shorter bars indicate better performance)
Typical shot-to-shot time  
Time to first shot  
Shutter lag (typical)  
Casio Exilim Pro EX-P600
1.8 
2.7 
0.3 
Casio Exilim Pro EX-Z110
1.8 
1.7 
0.6 
Sanyo Xacti VPC-E6
2.3 
2 
0.7 
Nikon Coolpix S4
2.8 
2.5 
0.8 
Olympus FE-120
2.6 
4.9 
1.3 
Pentax Optio S6
5.2 
4.9 
1.5 
Note: Seconds

Typical continuous-shooting speed
(Longer bars indicate better performance)
Note: Frames per second

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Where to Buy See all prices

Pentax Optio S6

Part Number: 18493 Released: Oct 15, 2005
MSRP: $449.00 Low Price: $99.99 See all prices

Quick Specifications See All

  • Release date Oct 15, 2005
  • Digital camera type Ultracompact
  • Optical Zoom 3 x
  • Optical Sensor Type CCD
  • Optical Sensor Size 1/2.5"
  • Lens 38 - 114mm F/2.7