4/1/2023 0 Comments Blur effect phonebox![]() This will have a greater effect than just changing the f number alone. The further away your subject is from the background, the more blur you can create. This is particularly helpful if you shoot with a crop sensor DSLR or a phone - basically anything but a full frame sensor. Speaking about blurring backgrounds, I feel I should mention a few other factors. If you want to make sure multiple elements in the scene are sharp, for example a landscape scene. If there's a distracting background that you want to blur out or you want to separate the subject from the background. Here’s a few times when you may want to switch to Av: Now you know what it means, when should you use Av mode? A lot of hobbyists use Av mode most of the time. Opening your lens more refers to lowering the f number.Ĭlosing your lens more refers to a higher f number. Alternatively, if the aperture is a large number, say f 22 then the lens diaphragm is smaller or more closed. ![]() So if someone says they are shooting “wide open”, they are shooting with the lowest available f number. When the f number is small, the lens diaphragm is actually wide open. The higher the number, the more of the photo is in focus. The smaller the number, the more blurry the background. Some lenses will go to f 4, others down to 1.4. The range of f-stops available is set by your lens. When you want shallow depth of field, choose a lower f-stop. When you want a large depth of field, choose a high f-stop (aperture). The aperture setting is how you control “depth of field”, which is the blurry or non-blurry background. The camera will then set a shutter speed for you so that the picture is properly exposed. ![]() My last blog post, I talked about “P” mode, this time we’re going to explore Av or A, depending on your brand of camera.Īv is aperture priority mode, which means that you set the aperture (the f-stop) and also the ISO.
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