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Pentax Optio W90 - User Manual

Pentax Optio W90
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Digital Camera
Operating Manual
To ensure the best performance from your camera, please read
the Operating Manual before using the camera.
HOYA CORPORATION
PENTAX Imaging Systems Division
2-35-7, Maeno-cho, Itabashi-ku, Tokyo 174-8639, JAPAN
(http://www.pentax.jp)
PENTAX Europe GmbH
(European Headquarters)
Julius-Vosseler-Strasse 104, 22527 Hamburg, GERMANY
(HQ - http://www.pentaxeurope.com)
(Germany - http://www.pentax.de)
PENTAX U.K. Limited PENTAX House, Heron Drive, Langley, Slough, Berks
SL3 8PN, U.K.
(http://www.pentax.co.uk)
PENTAX France S.A.S. 112 Quai de Bezons, B.P. 204, 95106 Argenteuil
Cedex, FRANCE
(http://www.pentax.fr)
PENTAX Imaging Company
A Division of PENTAX of America, Inc.
(Headquarters)
600 12th Street, Suite 300 Golden, Colorado 80401, U.S.A.
(PENTAX Service Department)
250 North 54th Street Chandler AZ 85226, U.S.A.
(http://www.pentaximaging.com)
PENTAX Canada Inc. 1770 Argentia Road Mississauga, Ontario L5N 3S7,
CANADA (http://www.pentax.ca)
PENTAX Trading
(SHANGHAI) Limited
23D, Jun Yao International Plaza, 789 Zhaojiabang
Road, Xu Hui District, Shanghai, 200032 CHINA
(http://www.pentax.com.cn)
http://www.pentax.jp/english
Specifications and external dimensions are subject to change without notice.
53571 Copyright © HOYA CORPORATION 2010
H01-201002 Printed in Indonesia
e_kb498.book Page 1 Thursday, March 11, 2010 3:06 PM

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Questions and Answers

  • B
    Bruce MillerJul 29, 2025
    Why won't my Pentax Optio W90 Digital Camera turn on?
    • E
      Erin JacobsonJul 29, 2025
      Your Pentax Digital Camera might not turn on for a few reasons: the battery may not be installed, ensure a battery is installed; the battery might be incorrectly oriented, reinsert the battery according to the + and - symbols in the battery compartment; or the battery could be exhausted, so charge the battery.
  • W
    Wayne GreenAug 2, 2025
    What to do if the shutter will not release on my Pentax Optio W90 Digital Camera?
    • B
      Brian LopezAug 2, 2025
      If the shutter won't release on your Pentax Digital Camera, it could be because the flash is charging (wait until charging is finished), there's no available space on the SD Memory Card or in the built-in memory (insert an SD Memory Card with available space or delete unwanted images), or the camera is recording (wait until recording is finished).
  • R
    Ronald RobinsonAug 6, 2025
    Why is the picture dark when using the flash on my Pentax Digital Camera?
    • J
      James LopezAug 6, 2025
      If your picture is dark when using the flash on your Pentax Digital Camera, the subject might be too far away in a dark environment. Ensure you are taking pictures within the specified flash range.
  • T
    Teresa DickersonAug 10, 2025
    What to do if no image appears on the display of my Pentax Optio W90?
    • S
      seanmontesAug 11, 2025
      If no image appears on the display of your Pentax Digital Camera, it might be because the camera is connected to a computer or TV (the display is off when connected). Alternatively, the display might be set to off. Press the 4/W button to turn the display on.
  • T
    Tonya AdamsAug 15, 2025
    Why is the subject not in focus on my Pentax Optio W90?
    • A
      amychambersAug 15, 2025
      If the subject is not in focus on your Pentax Digital Camera, it could be due to a few reasons. The subject may be difficult to focus on with autofocus, such as low contrast subjects, dark subjects, finely-patterned objects, or rapidly moving objects. It's also difficult to focus through a window or net. Try shooting using the focus lock, or Manual Focus. Another reason may be that the subject is not in the focusing area. Locate the desired subject in the focus frame in the center of the display. If it is difficult, first lock the focus on the desired subject, and then move the camera to recompose.
  • J
    John GravesAug 25, 2025
    Why does the flash not discharge on my Pentax Digital Camera?
    • T
      tonycowanAug 25, 2025
      The flash on your Pentax Digital Camera might not discharge if the flash mode is set to (Flash Off). Set to (Auto) or (Flash On). Also, the flash does not discharge if the Drive Mode is set to Continuous Shooting, Burst Shooting, or Auto Bracket; the Focus Mode is set to Infinity; or the Shooting Mode is set to Movie, Underwater Movie, Fireworks, or Digital Microscope.
  • K
    kristinadavisSep 10, 2025
    Why is the display hard to see on my Pentax Optio W90?
    • T
      Tracy CrossSep 12, 2025
      If the display is hard to see on your Pentax Digital Camera, the brightness level of the display might be set too dark. Adjust the brightness level in [Brightness Level] in the [W Setting] menu. Also, the Power Saving function might be on. When the Power Saving function is on, the display automatically darkens after a certain amount of time. Press a button to return to the normal brightness level. Select [Off] in [Power Saving] in the [W Setting] menu to turn the Power Saving function off.

Pentax Optio W90 Specifications

General IconGeneral
Megapixel12.1 MP
Camera typeCompact camera
Sensor typeCCD
Image stabilizerNo
Image sensor size1/2.3 \
Maximum image resolution4000 x 3000 pixels
Digital zoom6.25 x
Optical zoom5 x
Focal length range5 - 25 mm
InterfaceUSB 2.0, PC/AV: NTSC, PAL
Built-in flashYes
Camera shutter speed1/4 - 1/1500 s
Minimum system requirementsUSB, CD-ROM
Compatible operating systemsWindows XP SP2/Vista/7/Mac OS X 10.3.9
Focal length (35mm film equivalent)28 - 140 mm
Normal focusing range0.5 - ∞ m
Auto focusing (AF) modesSpot Auto Focus
Macro focusing range (tele)0.01 - 0.30 m
Macro focusing range (wide)0.1 - 0.6 m
Light meteringCentre-weighted, Spot
ISO sensitivity80, 100, 200, 400, 800, 1600, 3200, 6400, Auto
Flash modesAuto, Flash off, Red-eye reduction
Flash range (tele)0.3 - 2.5 m
Flash range (wide)0.3 - 3.9 m
Internal memory26.7 MB
Compatible memory cardsEye-Fi, SD, SDHC
Motion JPEG frame rate15 fps
Maximum video resolution1280 x 720 pixels
Display diagonal2.7 \
Display resolution (numeric)230000 pixels
PictBridge-
USB version2.0
Scene modesChildren, Close-up (macro), dusk, Fireworks, Night, Night landscape, Night portrait, Panorama, Portrait, Sports, Sunset, Underwater, Landscape (scenery)
Photo effectsBlack&White, Negative film, Sepia
White balanceAuto, Daylight, Fluorescent, Manual, Shade, Tungsten
Camera playbacksingle image, slide show
Self-timer delay2 s
Product colorBlack, Green
Battery typeD-LI88
Weight and Dimensions IconWeight and Dimensions
Depth25 mm
Width107.5 mm
Height59 mm
Weight161 g

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