For most photographers the most important factor in their photography is the sharp quality of their images. To get the very best quality we need to know which lenses to use and the best time to use they. There are several lenses on the market today that should become part of our every day tool. Standard lenses: are the most common use on today market. A standard lens has a focal length between 40 mm and 60 mm, which can be used for all types of photography. It�s the most flexible of all the lenses and should remain on the camera body at all times. Telephoto zoom lens: for any one interested in wildlife photography a telephoto lens should become your standard lens. With a focal length of between 60 mm and 300 mm, this is also a perfect lens for the sport enthusiast. The telephoto lens allows you to capture the far away object and can also be used for landscape images You can use this lens for close-ups, but be careful with your composition. Large areas of the image will become blank and could destroy your picture. When using a telephoto lens always make sure that you have the camera supported with a tripod. If you cant use a tripod try using a beanbag - rest the lens on the bag when taking your images. Wide-angle lens: is the choice of most landscape photographers. They allow you to include as much of the scene as possible when you look in your viewfinder with a wide focal length of 17 mm to 40mm. The wider the lens you use, the closer you need to be to an object of foreground interest, to add impact to your photography. Ultra wide-angle lenses have a focal length of 8 mm to 28 mm. Macro lens: is perfect for ultra close-ups shots with an average focal length of 100 mm. If you are looking to take images of small objects, such as: flowers or insects, a macro lens should become part of your camera bag. A macro lens will also allow you to take unique abstract images. By using a wide aperture with a macro lens on natural shapes can create the perfect abstract image. Be careful with focusing when using a macro lens, it is tough on a good day and can be impossible if the weather is windy.