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Pentax Optio E90 Point & Shoot Camera

The Pentax Optio E90 is a 10MP 1/2.3 inch compact camera — with 480p video. Check GearFocus for current availability, with buyer protection on every purchase.

Pentax Optio E90 Point & Shoot Camera

Pentax Optio E90 Point & Shoot Camera

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Camera Overview — Pentax Optio E90

The Pentax Optio E90 is a compact point-and-shoot camera built around a 1/2.3-inch sensor delivering 10MP resolution at a maximum image size of 3648x2736 pixels. Powered by Pentax's Prime image processor, it covers an ISO range from 80 to 3200, giving shooters some flexibility across varying lighting conditions. The camera features a 2.7-inch fixed LCD with 230,000 dots of resolution for composing and reviewing shots.

Autofocus is handled through a contrast detection system augmented by face detection AF and subject tracking across 3 focus points, making it well-suited for casual family photography. For stabilization, the E90 relies on digital image stabilization rather than an optical system. One practical standout is its use of 2x AA batteries, which removes the need for proprietary charging equipment — rated at approximately 220 shots on alkaline or 620 shots on lithium cells.

Storage is handled via SD and SDHC cards. The built-in flash covers up to 3.5 meters, with no external flash support. Video recording tops out at 480p at up to 30fps.

The plastic body measures 102 x 59 x 25mm and weighs 145g, making it genuinely pocketable. There is no weather sealing, no Wi-Fi, and no Bluetooth.

Key Features — Pentax Optio E90

10MP 1/2.3-Inch Sensor: Captures images at up to 3648x2736 pixels, suitable for standard prints and everyday snapshots.

AA Battery Power: Runs on 2x standard AA batteries, eliminating the need for proprietary chargers — rated up to 620 shots on lithium cells.

ISO 80–3200 Range: Provides flexibility to shoot in a variety of lighting conditions, from bright daylight to dimmer indoor environments.

Face Detection AF: Automatically identifies and focuses on faces in the frame, useful for family and group photography.

2.7-Inch Fixed LCD: 230,000-dot screen offers a reasonably sized view for composing shots and reviewing images in the field.

Compact, Pocketable Body: At 145g and 102 x 59 x 25mm, the camera fits easily in a pocket for casual everyday carry.

Camera Specifications — Pentax Optio E90

Pentax Optio E90 full specifications
SpecDetail
Use CasesTravel, Beginner-Friendly
TypePoint and Shoot
Sensor1/2.3 inch
Resolution10MP
ISO Range80 – 3200
AF SystemContrast Detection, Face Detection AF
AF Points3 points
Max Photo Resolution3648x2736
Max Video Resolution480p
Max Frame Rate30fps
Image StabilizationDigital / Electronic IS
Display2.7 inches Fixed LCD

Description — Pentax Optio E90

The Pentax Optio E90 is a compact point-and-shoot camera designed for straightforward everyday use. Its 10MP sensor with a 1/2.3-inch type produces images at up to 3648x2736 pixels, processed through Pentax's Prime image processor. The ISO range runs from 80 to 3200, and autofocus uses a contrast detection system with face detection AF and subject tracking across 3 focus points.

The 2.7-inch fixed LCD at 230,000 dots handles all composition and playback duties — there is no viewfinder. Image stabilization is digital/electronic rather than optical. The camera records video at up to 480p at 30fps.

Storage uses SD and SDHC cards, and the built-in flash reaches up to 3.5 meters with no external flash support. Running on 2x AA batteries with a rated life of 220 shots (alkaline) or 620 shots (lithium), the E90 avoids proprietary battery dependency. The plastic body measures 102 x 59 x 25mm and weighs just 145g, with no weather sealing.

Pros — Pentax Optio E90

  • ✓AA battery compatibility means no proprietary charger needed, with up to 620 shots on lithium batteries
  • ✓ISO range of 80–3200 offers reasonable flexibility for a camera in this class
  • ✓Lightweight at 145g with compact 102 x 59 x 25mm dimensions for easy everyday carry

Cons — Pentax Optio E90

  • ✗Video is capped at 480p resolution, which is well below modern standards
  • ✗Digital-only image stabilization rather than optical or in-body stabilization
  • ✗No Wi-Fi or Bluetooth connectivity for wireless image transfer

Videos — Pentax Optio E90

Pentax Optio W90 Review — infosyncvideos

Resources & Downloads — Pentax Optio E90

Manuals & Guides

Frequently Asked Questions — Pentax Optio E90

What batteries does the Pentax Optio E90 use?+
The E90 runs on 2x AA batteries. Battery life is rated at approximately 220 shots using alkaline batteries or 620 shots using lithium batteries, so lithium cells are a worthwhile upgrade for extended use.
What storage cards does the Optio E90 accept?+
The camera is compatible with SD and SDHC memory cards. These formats are widely available and inexpensive, making it easy to find suitable storage.
Does the Pentax Optio E90 have image stabilization?+
Yes, but it is digital image stabilization only — there is no optical or in-body mechanical stabilization. Digital IS can reduce some motion blur but is generally less effective than optical systems.
What is the maximum video resolution this camera can record?+
The Optio E90 records video at a maximum resolution of 480p, with frame rate options of 15fps or 30fps. It does not support HD video recording.
Can I connect an external flash to the Optio E90?+
No. The camera has no hot shoe and no external flash support. It relies entirely on the built-in flash, which has a maximum range of 3.5 meters.
Does the Optio E90 have Wi-Fi or Bluetooth for wireless sharing?+
No, the E90 has neither Wi-Fi nor Bluetooth. The only connectivity option is USB, so images must be transferred via a physical cable or by removing the SD/SDHC card.

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