![]() Then, explore everything you can do with Adobe Lightroom to edit and play with aperture settings in your photography. Take a moment to learn some cool photo tips for that niche and more. Macro photography - where you make tiny objects look larger than life - is another area where large apertures come into play. This means that your main subject will be clear and sharp, while the area behind your subject will be out of focus - a technique you’ll often see in portrait photography. When you set your camera to a large aperture, you’re going to allow a lot of light in and lose background focus at the same time. If you’re wondering what this looks like, imagine taking a close-up of a friend. You can use large apertures anytime you want to add dimension to your photos. And when more light is let in, that produces a shallow depth of field. I am not as much interested in telephoto (zoom lenses) as I am in wide angle photography. ![]() A large aperture means that the lens is letting in more light. I am planning to buy a wide angle lens for a Sony SLT A77 II. When to use a large aperture.į-stops of 1.4 to 5.6 are generally considered to be large apertures. Aperture also affects your depth of field, which is defined by the level of clarity or blurriness of certain elements within a photo. It’s one important element of the exposure triangle, along with ISO and shutter speed. What is aperture, and what does it do?Īperture is a hole in the lens that controls how much light gets into your camera. Learn more about what the aperture setting is responsible for and when you might use larger ones for better photos. Learn how aperture affects your photos, plus the scenarios in which you might want to use a large aperture to capture great photos.Īperture plays a significant role in photography, and the f-stop you choose can easily make the difference between a bad picture and a great one. DOF is just a matter of physics, and it’s important to grasp this concept.Photography tips: when to use a large aperture. Incidentally, to help you with this, every lens has a manual with a DOF chart for each f/stop and the major focusing distances. The 300mm lens has a remarkably shallow depth of field. A shorter focal length lens (say 27mm) focused at 5 meters, set at f/4 has a deeper DOF (perhaps from 3 meters in front and 20 meters behind) than a longer focal length (say 300mm), also set at f/4 focused at 5 meters. The physical properties of a lens at a given focal length also affect the depth of field. Why does changing the focal length negate the effects on DOF? This is because the visual properties of a given lens either provide either greater DOF (shorter lenses) or shallower DOF (longer lenses). To maintain the compositional integrity of the shot, but still have the change in DOF from a distance, you can change the focal length (either by changing lenses or zooming in). Changing the distance to subject is the least practical way to manipulate the depth of field, and by changing the distance from a subject to the lens, you immediately change your image’s composition. Conversely, the reverse is true – the farther away an object is and focused on, the deeper the DOF. The last element affecting depth of field is the distance of the subject from the lens – you can adjust the DOF by changing that distance.įor example, the closer an object is to the lens (and the focus is set on that object) the shallower the DOF. It’s important to understand this concept and how it affects exposure because it works in tandem with the shutter speed (we’ll discuss this in another section) to establish a given exposure value.īasically, when you change the aperture size one stop, you have to shift the shutter speed one stop in the opposite direction to maintain a consistent exposure… and this change in aperture alters the depth of field (DOF) accordingly. ![]() Such that an f/4 on a 50mm has smaller opening than an f/4 on a 200mm, but an equivalent amount of light travels through both lenses to reach the image sensor thus providing the same exposure.Įach movement up the range (say f/2 to f.2.8) reduces the amount of light by one-half, and each movement down the range (say f/11 to f/8) doubles the amount of light passing through the lens. The aperture range identifies the widest to smallest range of lens openings, i.e., f/1.4 (on a super-fast lens) to f/32, with incremental “stops” in between (f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16, and f/22).Įach f-number is represents one “stop” of light, a stop is a mathematical equation (which is the focal length of the lens divided by the diameter of the aperture opening) that determines how much light that enters the lens regardless of the length of the lens.
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