![]() For example, 15mm fisheye lens is wider than a 15mm rectilinear lens. Fisheye lenses are wider than regular wide-angle lenses. Photos taken with fisheye lenses look curved at the edges. There are two types of wide-angle lenses, regular lenses, known as rectilinear wide-angle lenses, and fisheye lenses. Some compact cameras also are coming out with wider lenses, but I hesitate to call these true wide-angle lenses.Ī lens that is in-between wide angle and telephoto is often called a mid-range lens. That means when you zoom in, the object will become three times larger. There are some exceptions, some compact cameras come with a 5x or 10x zoom that is good for bird photography, but a 3x zoom is normal. Most compact cameras are similar, they aren't very wide, and if you zoom in you can take a photo of something farther away, but not really small things. The human eye is neither wide angle nor telephoto. These lenses can be prime lenses or zoom lenses. Lenses that let you take photos of subjects far away, like small birds, are called telephoto lenses. Lenses that allow you to take a photo of a wide area, such an entire room of people, or a large coral reef, are called wide-angle lenses. If you have a dSLR, you might get a prime lens, which means it can't zoom in or out, it always has the same view when you look through the lens. The smaller number is the wide end of the zoom range, and the larger number is the telephoto end (zooming in, like you are taking a photo of a small bird or something far away).Īll compact cameras have zoom lenses. A lens with 2 numbers, like a 18-55mm lens, is a zoom lens. When it gets smaller, that's called "zooming out".Ī 20mm, 60mm, and 100mm lens are all examples of prime lenses. When the object you are looking at gets larger, that's called "zooming in". If you've never held a camera and zoomed in and out, now is the time to try it. Zoom lenses allow you to either rotate a lens, pull a lens forward and back, or press a button to "zoom in" on an object. There are two types of lenses, prime lenses and zoom lenses. If you're familiar with lens basics and looking for specific underwater info, read more about the: Best lenses for underwater photography. Compact camera have lenses built in, where dSLR (digital single lens reflex) camera allow you to change lenses. You can also pick up a dSLR, point, and shoot, so I'm not really sure why compact cameras are also called point and shoots. ![]() They often come with an inexpensive lens called a kit lens. They cost more and you must buy a camera body, and one or more lenses. A dSLR is the larger camera that pros and serious amateurs use. You can't change the lens, the lens is built in. They are the small cameras that cost less. Here I'm going to try to explain some of this terminology in non-technical terms.Ĭompact cameras are also called point-and-shoot. What was focal length? What does 18-55mm mean? What is a zoom and telephoto lens? Angle of view? Focal Length? I did not understand these photography terms. When I first owned a compact camera and started looking at dSLRs, I started to see many confusing terms about lenses.
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