Review Digital Camera World 08-24-2013

Digital Camera World

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9 portrait photography tips professional studios don't want you to know Aug 23rd 2013, 23:01, by jmeyer In fact, the difference between amateur and professional portraits can be vast. To help you make the jump, our friends at the photo management blog Photoventure have carefully compiled what they believe are nine of the most essential portrait photography tips to help you improve your people pictures. And these aren’t just any old portrait photography tips. These are insider tips that only come from experience. The type of advice long, established pros won’t want you to know. Essential Portrait Photography Tips: 01 When to use Exposure Compensation A common problem when photographing people with light skin tones is underexposed portraits. You'll notice this more when shooting full-face photos or when there's lots of white in the scene – brides at weddings are a prime example. To brighten up your subjects, and when using Av mode, you can use Exposure Compensation. Try dialling in up to +1 stop of positive Exposure Compensation to lighten up people's faces. READ MORE 10 portrait photography mistakes every photographer makes (and how to fix them) Studio Lighting: 4 seriously simple lighting techniques to try at home Free family portrait photography cheat sheet Summer portrait ideas: how to use natural light for atmospheric people pictures What is a macro lens? Magnification and minimum focus distance explained Aug 23rd 2013, 09:38, by jmeyer In our latest photography cheat sheet we answer the question ‘What is a macro lens?’. In our infographic we explain some of the finer points of using macro lenses and illustrate the effects different magnifications can produce with your subjects. The official definition of a macro lens is that it should be able to reproduce a life-sized image of an object on the recording medium – in this case the image sensor. True macro lenses offer a magnification factor of 1.0x or 1:1 at its closest focus setting. Fit one of these lenses to a DSLR like the Canon EOS 60D, and a standard UK postage stamp will fill the whole frame. That might not sound particularly impressive, but when you consider that the 18Mp sensor in cameras like enable very large format prints, the potential for creating massive enlargements from shots of tiny objects is really quite astonishing. What’s more, you can get still get very impressive enlargements of small objects using a macro lens that only offers 0.5x (or 1:2) maximum magnification. In our latest photography cheat sheet we’ve illustrated the effects produced by macro lenses at different levels of magnification and how your subject will appear. Simply click on the infographic to see the larger version of this cheat sheet, or drag and drop it to your desktop. ‘Flat field’ lenses One feature that's shared by all macro lenses is that they're 'flat field' lenses. General-purpose lenses typically suffer from field curvature, so the point of focus will be at a slightly different distance towards the corners of the frame compared to the centre. For example, the Canon EF 24-70mm f/2.8L-series zoom lens is quite notorious for this. In macro lenses, field curvature must be minimised as much as possible, so if you photograph a small flat object square on, such as the postage stamp we mentioned, the centre and corners of the stamp should all be sharp and in focus. PAGE 1: How much magnification do you need in a macro lens? PAGE 2: What is a macro lens’ minimum focus distance? PAGE 3: Coping with shallow depth of field READ MORE Macro nature photography: tips for taking pin-sharp pictures of flowers and insects DIY Photography Hacks: make a light tent from 3-ring binders to diffuse sunlight Best close-up lens: 6 top models tested and rated DIY Photography Hacks: make a powerful macro lens with an empty toilet paper tube Camera lenses explained: how to get sharp photos using macro lenses

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