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Pentax Optio RZ18 review

18x zoom and 16 megapixel resolution

Our Verdict

For

  • 18x zoom lens
  • Big and bright screen
  • Great Dynamic Range setting
  • Sensible button layout

Against

  • Can't zoom while recording videos
  • Noise at lower ISOs
  • Slow processing times
  • Struggled with strong colours in bright conditions

As part of our image quality testing for the Pentax Optio RZ18, we've shot our resolution chart.

If you view our crops of the resolution chart's central section at 100% (or Actual Pixels) you will see that, for example, at ISO 80 the Pentax Optio RZ18 is capable of resolving up to around 24 (line widths per picture height x100) in its highest quality JPEG files.

For a full explanation of what our resolution charts mean, and how to read them, check out our full explanation of our camera testing resolution charts.

Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:

Pentax Optio RZ18 review

Pentax Optio RZ18 review

ISO 80, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 100, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 200, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 400, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 800, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 1600, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 3200, score: xx (Click here to see the full resolution image)

Pentax Optio RZ18 review

ISO 6400, score: xx (Click here to see the full resolution image)

Tech Specs

Product TypeCompact Camera
Battery Size SupportedProprietary Battery Size
Maximum Video Resolution1280 x 720
Effective Camera Resolution16 Megapixel
USBYes
Product FamilyOptio
Image StabilizationElectronic, Optical
ColourWhite
Optical Zoom18x
Digital Zoom7.2x
Brand NamePentax
FeaturesFace Detection, Continuous Shooting Mode, Smile Detection, Blink Detection, Self-timer
Screen Size7.6 cm (3")
Video FormatsMotion JPEG (AVI)
Viewfinder TypeNo
Weight (Approximate)170 g
Flash Memory Capacity96 MB
Minimum Focus Distance40 mm
Maximum Image Resolution4608 x 3456
Maximum Frame Rate30 fps
Number of Batteries Supported1
Battery Built-inNo
Battery RechargeableYes
Battery IncludedYes
Display Screen TypeLCD
Image Sensor TypeCCD
Total Camera Resolution16.6 Megapixel
HD Movie ModeYes
Memory Card SupportedSecure Digital (SD) Card, Secure Digital High Capacity (SDHC) Card, Secure Digital Extended Capacity (SDXC)
Height60 mm
Width108 mm
Depth34 mm
Autofocus Points9
Focal Length4.50 mm to 81 mm
Image FormatsJPEG
Audio FormatsWAV
Flash ModesAuto Flash, Flash ON, Flash OFF, Red-eye Reduction
Focus ModesAuto, Manual
ManufacturerRicoh Imaging Company, Ltd.
Product ModelRZ18
Product NameOptio RZ18 Compact Camera
Product LineOptio
Aspect Ratio16:9
Manufacturer Part Number14177
Manufacturer Website Addresshttp://www.ricoh.co.uk
Marketing Information

The Optio RZ18 is the latest addition to the popular PENTAX Optio RZ series, which features a high-magnification zoom lens in a compact body. It provides photographers with simple, effortless shooting of a wide variety of subjects and occasions. From travel and landscape to action and spectator sports the RZ18 retains many of the convenient features of its predecessors, including the dependable dual shake reduction for effective reduction of camera shake, and the advanced Auto Picture. The very wide-angle smc PENTAX 18X optical zoom lens to greatly extend the zoom range. The number of effective pixels has also been increased to 16 megapixels to deliver higher-resolution images, while the built-in LCD monitor has also been upgraded to a larger 3.0-inch version with 460,000 dots for sharper, clearer subject image. Thanks to the perfect harmony of existing and new features, the Optio RZ18 offers both higher performance and simpler operation than ever before.

Battery Life240 Shot/3.83 Hour Video
Package Contents
  • Optio RZ18 Compact Camera
  • USB Cable I-USB7
  • Video Cable AV-IAVC7
  • Rechargeable Li-Ion Battery D-DLI92
  • Battery Charger D-BC92
  • Strap O-ST104
  • Software CD-ROM
Display Resolution460000 Pixel
Limited Warranty1 Year
Built-in DevicesMicrophone, Speaker