Duncan Wherrett has been a professional photographer for 30 years.
Although he still use traditional film techniques for Arty pictures, everything else is digital now. He has been doing digital imaging for more than 10 years and is also a Photoshop instructor.

A pixel is a small square of digital information, but what does that mean in practice?

This article follows on from the article "Travelling abroad to take photographs? Prepare well with these travel tips." also on this site.

Just how are digital images are constructed in Photoshop? Pixels, Resolution and Image Size are all involved but what do they mean in practice? Understanding these items is important in learning how t...

Planning a photography trip overseas? Travelling abroad to take photographs can lead to problems and mistakes. Here are some travel tips to help with the preparation.

Finding the exact central point of an image in Photoshop is often important and there are some simple ways to do it.

Giving a photograph a soft-focus look can change the atmosphere of the image; but it can look romantic or more sinister depending how the effect is applied. See how a simple change of 'modes' can comp...