Nokia has apologized after it emerged that an ad featuring video footage that appeared to have been filmed with its new flagship smartphone had in fact been created using different equipment.

 

The Verge¹ tech site revealed the fraud after it noticed a window reflection showing a cameraman holding what appeared to be an SLR camera.

 

In a blog post the handset maker² said it should have "posted a disclaimer（不承诺，免责声明）".

 

The news threatens to take the shine off the launch of the Lumia 920 phone.

 

Investors³ had already shown doubts about whether the Windows Phone 8 handset could revive the Finnish company's fortunes, sending its shares nearly 8% lower on Wednesday.

 

In Thursday's trade the stock fell a further 6%.

 

The ad showed a man filming his girlfriend using the new smartphone while they were riding bicycles.

 

The footage cut from professionally-filmed material, featuring both actors, to what looked like it was the video captured by the man's Nokia device.

 

A split-screen sequence then showed what the smartphone's footage would look like with Nokia's optical image stabilization⁴ (OIS) feature turned on and switched off.

 

The footage was intended to support the firm's claim that its technology helped reduce image blur⁵. It was shown at a press conference on Wednesday to support Nokia's boast that the Lumia 920 featured the best smartphone image quality on the market.

 

The Verge article said: "too bad it's faked".

 

Nokia's blog acknowledged the problem in a post titled "An apology is due".

 

"We produced a video that simulates what we will be able to deliver with OIS," wrote the site's editor.

 

"Of course, hindsight is 20/20, but we should have posted a disclaimer stating this was a representation of OIS only. This was not shot with a Lumia 920... we apologize for the confusion we created."

 

Nokia also released footage that was shot with the Lumia.

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