When a fish looks up from under the water, it is generally thought that they would see an ultra-wide angle hemispherical image. This is caused by the refraction of light through the water and is known as the Snell’s Window effect. That’s why any ultra-wide camera lens is known... Read more

Introduced in Photoshop CS5, the Content Aware Fill tool is a handy way to remove objects from an image without resorting to fiddling around with the clone stamp tool. With Content Aware Fill, Adobe Photoshop will try its very best to fill any selected area with a best guess at... Read more

Back in the olden days of photography, when you needed a dark room and trays of exotic chemicals to develop a photograph, rudimentary photo alteration was still going on. The Victorian equivalent of Photoshop was double exposures, aperture techniques, burning and dodging. To burn and dodge was to cover... Read more

Using gradients of colour in Photoshop often produces very pleasing, professional results, mainly because producing nice smooth transitions between the colours is something a digital platform does very well. The Gradient Fill Tool in Photoshop, located on the left hand sidebar, sharing the same button as the Paintbucket Fill... Read more

In recent versions of Adobe Photoshop, more geometrical effects have been added to the default filters library. One of the eager newcomers is the Extrude filter. This takes any selection, image or layer and pushes it outwards using a series of cubes or pyramids. It’s one of those new... Read more

Many users only ever use the circular brush tool in Photoshop and miss out on one of the most satisfying ways of freehand digital drawing and a quick, simple way to create interesting effects. Click on the brush tool on the left hand toolbar, it’s the eighth one down,... Read more