Review Digital Camera World 02-03-2014

Digital Camera World

Many wonderful memories are captured in black and white. With digital photographs, the art is now in creating black and white images. This course will teach you how to use Photoshop techniques to create beautiful images. From our sponsors

10 camera techniques to master in 2014: how to use exposure compensation Feb 3rd 2014, 00:01, by jmeyer As our Shoot Like a Pro series on mastering some of the fundamental camera techniques continues we look at how you can get your exposures spot-on in different lighting conditions using exposure compensation. The dark background has caused the camera to over-expose the shot. Dialling in negative exposure compensation rectifies this Deciding whether to increase or decrease the exposure of your shot can be puzzling, as the adjustment you need to make is often the opposite of what you might at first expect. Here's how to use your camera's Exposure Compensation function to lighten or darken your image. SEE MORE: What is exposure compensation? Free photography cheat sheet Light subject If the subject contains mostly light tones you may find that your camera will under-expose your image. In this situation, you need to press and hold the Exposure Compensation button, increase the exposure by turning the dial right to enter a value of +1, then take the shot again. Dark subject If shooting a mainly dark subject, your camera is likely to over-expose the scene, so you may need to reduce the exposure. Press and hold the Exposure Compensation button as before, but this time turn the dial left to enter a value of -1. Decipher the histogram The easiest way to check the exposure of your shots is to use the histogram display on your camera's rear screen when reviewing your images. This shows the distribution of tones in your shot, so you can check exposure as you shoot. To get the most from this handy tool you need to recognise the characteristics of under- and over-exposed shots. SEE MORE: Histogram – photography cheat sheets for achieving perfect exposure Over-exposed (left) There is a gap to the left of the histogram, and the graph goes off the right-hand side. Under-exposed (right) There is a gap to the right of the histogram, and the graph goes off the left-hand side. READ MORE First camera crash course: simple solutions for mastering your new DSLR 10 common camera mistakes every photographer makes How to use a camera: exposure modes made simple Expose to the right: the camera technique every landscape photographer must know 10 common exposure problems every photographer faces (and how to fix them)   A layman's guide to memory cards Feb 2nd 2014, 12:00, by jmeyer If you’re new to photography you might understandably have a few questions about some of the basic equipment everyone needs, like memory cards. There are a number of things you need to consider when purchasing a memory card, and in our latest layman’s guide to fundamental gear we answer some of the common questions about speed, capacity and more. What types are there? The vast majority of digital cameras use either CompactFlash or SecureDigital memory cards. Older cameras may have a maximum capacity for CompactFlash cards of, say, 32GB. The same holds true with SecureDigital. However, even fairly old cameras that take SD cards are usually compatible with SDHC (SD High Capacity) cards, which boosts the maximum available capacity from 4GB to 32GB. Newer cameras can usually accept SDXC (SD eXtended Capacity) cards, which have a theoretical 2TB maximum capacity limit. (256GB is the highest capacity available.) SEE MORE: Best memory cards for cameras – 9 top models tested and rated What capacity do I need? Larger capacities naturally enable more shots to be captured without the need to swap the card in the camera. They are particularly useful if you shoot in raw+JPEG quality mode, or for shooting video. Currently, cards of between 16GB and 64GB in capacity offer the best value for money. How fast are they? Faster cards are most useful for clearing the camera's memory buffer as quickly as possible, especially when shooting sequences of images in continuous drive mode, with raw or raw+JPEG quality settings. The latest CF UDMA cards or SDHC/XC UHS-1 cards offer the fastest write speeds with relatively new cameras that can take full advantage of their high-speed data buses. With SDHC/XC cards, you'll also need at least Class 6 or preferably Class 10 cards to ensure the sustained write speed is fast enough for continuous HD video capture. What about read speeds? Read speeds are often faster than write speeds, which can be helpful if you have a large number of high-capacity image or video files to download to a computer. However, in order to take full advantage of the latest high-speed cards, you'll need to use a USB 3.0-enabled computer and card reader. READ MORE 10 things photographers can do to stop wasting pictures 15 common photography questions from beginners (and how to solve them) Metering mode cheat sheet: how they work and when to use them 3 exposure techniques every beginner must know – and when you should use them

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