X-Archive

  • August 26, 2011

If you had to photograph a wedding using only one lens then which lens would it be? Having taken a break from wedding photography for several years a friend tempted…

  • August 11, 2011

Television dramas such as the CSI series take many liberties with photographs, especially when it comes to forensic analysis, so let’s look beyond the CSI fiction to see what is…

  • July 24, 2011

The latest edition of Camera Lens News, from Carl Zeiss, has just been published and includes a feature on Planar lenses. Given that the Planar design was developed by Paul…

  • July 3, 2011

Have you ever wondered what constitutes an education in photography? What are the topics and facts that examination boards and educationalists consider to be important? One way to find out…

  • June 13, 2011

There are several different colour problems that affect lenses but the one we are interested in here is known as chromatic aberration and commonly manifests itself in pictures as coloured…

  • May 3, 2011

Though you can do a lot of tricks in Photoshop, there are some filters that every photographer should own

  • May 2, 2011

Drawing on the two previous postings in this 'blog we are now able to create a basic model for image formation. This is not a thorough approach to image formation…

  • April 17, 2011

We have an explanation for why light bends when it moves across a boundary between two different media but is there any predictable pattern to the amount that any given…

  • March 11, 2011

Having covered a couple of real-world observations of the behaviour of light it seems appropriate to look at some of the optics theory that explains how lenses are able to…

  • March 6, 2011

Most of the effect that a lens has on the light passing through it comes from the surface curvature of its elements. This curvature has to be both precise and…

  • March 2, 2011

Why is some light transmitted and some light reflected at a glass surface? This is a surprisingly difficult question to answer because the nature of reflected light is not as…

  • February 13, 2011

I've just been testing the new PZD version of Tamron's 18-270mm super-zoom and I've realised that when the review of the non-PZD 18-270mm was published last year it was accompanied…

  • February 10, 2011

Learn how to tell if you've got your exposure correct in our guide to histograms

  • January 29, 2011

Good books on The Science of Imaging are few and far between but Graham Saxby’s is one of the best. For that reason, and also because I’m honoured to be…

  • January 27, 2011

Even after twilight, there’s plenty of shooting potential, you just need to look to the sky...

  • January 27, 2011

It’s cold outside, so why not turn your home into a studio and get creative without having to take your slippers off?