Used Pentax Optio S50 for Sale — From £23 | UsedLens.co.uk

£22.94 Low price

£107.04 High price

12 Listings

1 Retailers

4 New this week

3 Reduced

Great for: general beginner travel

Pentax's 2004 AA-powered compact — 5MP CCD, 3x Sliding Lens System zoom, 1.8in screen

The Pentax Optio S50 was announced in August 2004 as a 5-megapixel AA-powered compact in the popular Optio S family, slotting above the 4-megapixel S40. It carried Pentax's trademark Sliding Lens System in a conventional but tidy body aimed squarely at everyday snapshooters.

It uses a CCD with 5.36 total megapixels and a 12-bit A/D converter behind a 3x SMC Pentax zoom that retracts flush thanks to the sliding lens design. Framing is on a 1.8-inch LCD, and the 89x58.5x26mm body runs on widely available AA batteries. Features include a nine-option control dial with a built-in help mode, six still shooting modes plus movie, voice recording and a digital effect mode, and playback filters that convert images to black and white while retaining a chosen colour.

The S50 suits buyers after a cheap, dependable early-digital compact with nothing proprietary about its power supply. The help mode made it a genuinely beginner-friendly camera in its day. Its 1.8-inch screen and unhurried processing show its age, but daylight results from the 5MP CCD hold up well for prints and web use.

Running on AAs, it avoids the dead-proprietary-battery trap entirely — check the compartment for leakage residue and fit fresh NiMH cells. Make sure the sliding lens extends without grinding, the mode dial clicks positively at each position, and the SD-type card slot reads a small-capacity card, as this pre-SDHC design may reject large modern cards. Verify the model badge against the near-identical S40, S45 and S55.

Avg £32, up 9.8% over 2 weeks

Price history ↓

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Used Pentax Optio S50 price history

Tracking the used Pentax Optio S50 price? Over the past two weeks, the average has risen 9.8%, from £29 to around £32. Depending on shutter count and condition, expect to pay between £25 and £41 for a used body.

Average market price (line) and typical price range (shaded). Source: UsedLens daily price index, 18 Jul – 4 Aug 2026.