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Ray Davis

TTV Photos

254322284_4f4b6a7ee5_m I’ve mentioned before that I’m often inspired by this blog and yesterday’s post was a TTV photo, which inspired me to tell you, dear Photodoto readers, how to create TTV photos. Luckily for you it’s very simple, in principle.

TTV stands for “Through the Viewfinder” and to create one of these photos you need two cameras. Basically you set up your digital camera to shoot through the viewfinder of another camera. It sounds simple but requires quite a bit of patience to get it set up correctly. The best advice is to give it a try and practice until you get the hang of it. Also, try placing something dark coloured around the gap between the two lenses to keep out extra light.

Oh, and check out the Through the Viewfinder group on Flickr for some more TTV inspiration.

Photo credit:

DSLR 101 – White Balance

251693960_23f2711016 We’re continuing with our DSLR 101 this week and today we’re explaining white balance.

White balance is responsible for keeping your photos the correct temperature. A low colour temperature creates more red, a higher colour temperature more blue. Digital cameras create the correct colour temperature by picking the part of the photo that it thinks should be white and filtering the light to make that area white.

If you want natural looking photos you need the correct white balance. In other words having the correct white balance prevents your photos from looking too cold (blue) or too warm (red). Although your camera will have an Automatic White Balance (AWB) setting digital cameras are not as good at detecting which part of the photo should be white as you are.

You can get a more accurate white balance by choosing a manual setting for the white balance or creating a custom white balance of your own.

Most DSLRs will let you choose a white balance from within the menu. The choices are likely to include daylight, shade, cloudy/twilight, tungsten, fluorescent light, and flash. Using these setting is a good start and can improve your photos greatly, especially those taken in the more extremes light (such as fluorescent light or twilight).

To get the most accurate white balance you can set a custom white balance. You can buy a grey card from most photography stores to help you do this, or you can find a white object in your shot and use that instead. Fill the viewfinder with the grey card, or the white object, and shoot using manual focus. The exact method of setting this as the white balance varies from camera to camera, you may have to press the white balance button before you take the shot or after. Check the manual of your camera to find out how yours works.

Extra Tip
For most situations AWB or one of the manual settings will do just fine but it’s worth learning how to set the custom white balance, especially if you do a lot of shooting indoors.

Photo by:

http://www.flickr.com/photos/brunogirin/ / CC BY-SA 2.0

DSLR 101 – ISO

Time for lesson number two in our DSLR 101 series! Our topic today? You may have heard of it, it’s a little thing called ISO.

ISO is traditionally a measure of film speed; basically how sensitive a roll of film is to light. Obviously if you’re using a DSLR you’re not using film but your camera still has ISO settings. Instead of film it’s a reference to how sensitive the camera’s image sensor is to light. ISO settings can vary greatly but most cameras have at least 100, 200, 400, 800, and 1600. The lower the number the less sensitive the sensor is to light.

Although lower ISOs are usually desirable (leave your camera on Auto settings and it’ll choose 100 or 200 most of the time) to give you clear, sharp photos there are times when a higher ISO can be useful.

Choosing a higher ISO allows you to use a higher shutter speed or smaller aperture. This is especially useful for shooting in low light, particularly shooting action in low light (for example indoor sports events or concerts). It also comes in handy in places like museums and art galleries where use of flash and/or tripods may be prohibited, or in any low light situation when you don’t have a tripod available!

Higher ISOs cause a grainy effect, which, while we often want the clearest photos possible, can sometimes be desirable to create a certain look in an image.

You can choose your ISO setting in the menu of most DSLRs, check your manual if you can’t find the ISO option in yours.

Extra tip
Try taking the same shot at several different ISO settings so you can get a feel for what each different setting produces.

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