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Pentax

Pentax OPTIO-WPI Waterproof Digital Camera

★★★★★3.3 (27 reviews)

Capture Underwater Adventures with the Pentax Optio WPiThe Pentax Optio WPi is a compact and rugged digital camera designed for underwater photography and outdoor activities. With its waterproof design, 6.0 effective megapixels, and 3x optical zoom, it's the perfect companion for capturing your a...

$159.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Capture Underwater Adventures with the Pentax Optio WPi

The Pentax Optio WPi is a compact and rugged digital camera designed for underwater photography and outdoor activities. With its waterproof design, 6.0 effective megapixels, and 3x optical zoom, it's the perfect companion for capturing your adventures in any environment.

  • Waterproof: JIS Class 8 Equivalent (up to 1.5 meters for 30 minutes)
  • Resolution: 6.0 Effective Megapixels
  • Optical Zoom: 3x (6.3-18.9mm, equivalent to 38-114mm in 35mm format)
  • LCD Monitor: 2.0-inch
  • Memory: 10.5MB Built-in Memory
  • Card Compatibility: SD Memory Card

Key Features

6-megapixel CCD captures enough detail for up to 2,816-by-2,112-pixel photos

3x optical zoom, 4x digital zoom; waterproof operation for up to 5 feet underwater for 30 minutes

2-inch LCD screen and MJPEG movie recording

Stores photos on 10.5 MB internal memory and SD and MMC memory cards

Transfers photos via USB; compatible with Windows and Mac operating systems; rechargeable lithium-ion battery

Specifications

Sensor
6-megapixel CCD
Max Photo Resolution
2,816-by-2,112 pixels
Optical Zoom
3x
Digital Zoom
4x
Waterproof Depth
Up to 5 feet
Waterproof Duration
30 minutes
LCD Screen Size
2-inch
Video Recording
MJPEG movie recording
Internal Memory
10.5 MB
Memory Card Support
SD and MMC memory cards
Connectivity
USB
Operating System Compatibility
Windows and Mac operating systems
Battery Type
Rechargeable lithium-ion battery

Pros & Cons

👍 Pros

  • Captures images with a 6-megapixel CCD sensor, providing enough detail for large prints up to 2,816 by 2,112 pixels.
  • Offers versatile zoom capabilities with a 3x optical zoom and an additional 4x digital zoom.
  • Designed for adventurous use, capable of waterproof operation for up to 5 feet underwater for 30 minutes.
  • Features a convenient 2-inch LCD screen for easy framing and reviewing of photos.
  • Includes 10.5 MB of internal memory and supports SD and MMC memory cards for expandable storage.
  • Supports MJPEG movie recording, allowing users to capture video clips in addition to still photographs.

👎 Cons

  • The 6-megapixel resolution is considered low by modern digital camera standards, limiting detail for extreme crops.
  • The 2-inch LCD screen may be small for detailed image review compared to larger displays on contemporary cameras.
  • MJPEG movie recording is an older video format that typically offers lower quality and larger file sizes than modern video codecs.
  • The internal memory of 10.5 MB is very limited, requiring an SD or MMC card for practical use.
  • Compatibility with Windows and Mac operating systems is mentioned, but specific modern OS versions are not confirmed.

Frequently Asked Questions

The Pentax OPTIO-WPI captures images with a 6-megapixel CCD, capable of producing photos up to 2,816 by 2,112 pixels.
Yes, it is designed for waterproof operation, allowing it to be submerged up to 5 feet underwater for a duration of 30 minutes.
The camera features a 3x optical zoom and an additional 4x digital zoom for versatile image framing.
It stores photos on 10.5 MB of internal memory and also supports both SD and MMC memory cards for expanded storage.
Yes, the Pentax OPTIO-WPI is capable of MJPEG movie recording.
The camera is powered by a rechargeable lithium-ion battery.

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