ISO: Traditionally, this measured the film speed. Overexposure results in a bleached out image underexposed photos will be very dark. Shooting at midday often results in very high contrast images, where sunlit areas are bleached out, and areas in the shade are almost black this is why many photographers prefer early morning or late afternoon light, or overcast conditions.Įxposure: The exposure refers to the amount of light the film (or digital image) is exposed to. There are all kinds of composition 'rules' you’ll learn about some of these on your photography holiday.Ĭontrast: The difference between the lightest and darkest parts of an image. moving objects or asking people to stand in a particular position) or by moving yourself, your camera or zooming in and out to perfectly compose your shot. You may set up the composition artificially (ie. If your subject is not in the middle of the shot, however, or if you are shooting wildlife which is hidden behind vegetation, you might need to resort to focusing manually, as autofocus will likely focus on the wrong part of the image.Ĭomposition: How the elements are arranged within a photo. This is commonly used in portraits, for example, where the background is blurred – giving a nice focus on the face.Īutofocus: Every photographer’s friend! Your camera will focus automatically, meaning you can shoot faster and generally more accurately. Conversely, a low f-number will give you a large opening, so only one part of the image will be in focus.

This gives a greater depth of field, meaning most or all of the shot will be in focus. The higher the number (known as the f-number), the smaller the opening. Aperture: Roughly speaking, the aperture value – or AV – refers to how wide the 'iris' of the lens opens when you take a picture.

Holiday filters for photos