Tesco might have a reputation for value when it comes to the weekly grocery shopping, but apparently this doesn't extend to consumer electronics.

A recent survey by online price comparison site Pricerunner found that the retail giant was charging a whopping £800 more than rivals for one digital camera.

On its Tesco.com site it was charging £1,649 for the Olympus E10, while Quality Electrical Direct was offering it for just £824.63, which is far closer to the manufacturer's recommended price of £999.

While a discrepancy like this is unusual, we found that Tesco.com was consistently charging more for digital cameras than other retailers, although it was not always the most expensive.

A spokesperson for the company said: "We believe we sell our products at competitive prices. We regularly check our prices against those of our competitors and feel we offer a good deal".

But when we checked the sites of those companies Tesco listed as rivals, including Dixons, Argos, Comet, Index and Currys, none offered the E10, so we aren't sure which retailer it is comparing its price with.

Since speaking to PC Advisor Tesco has agreed to drop the price of the E10, but the moral of this story is to shop around as it might save you more than you think.