![]() ![]() We all love bokeh (you know, that blurry background) and using a wide aperture like f/1.8 is sure to help you get it. Photographing a fast moving child or subject Learning to use a variety of f-stops in your photography will help you create interesting images.īelow are seven reasons why you should rebel against a wider f-stop and shoot with a smaller f-stop. ![]() In fact, I tell my students often to not shoot at f/1.8. This is because they think this is the only way to get the blurry background with bokeh they are looking for. Once most photographers figure out how wide of an f-stop they can shoot they love to shoot around f/1.8. However, the f-stop is the ratio of the focal length and the aperture diameter. This affects how much light the lens lets in. The aperture is the actual opening of the lens diaphragm. Photographers will sometimes interchange these terms however there is a slight difference. To counter balance this you may need to decrease your shutter speed or increase your ISO to bring in more light. In addition to having more of your image in focus, you decrease the amount of light coming into your meter.Ī wide aperture allows in a lot of light so the opposite happens with a smaller f-stop. Remember the more wide open your aperture is the less of your photo is in focus. When you increase the f-stop, meaning you are using a smaller number, then you are going to have more of your photo in focus. Read more: Complete Guide to Understanding the Exposure Triangle What does increasing the f-stop do? It can be confusing but don’t let the terminology confuse you. If someone tells you to “stop down” on your aperture they are also referring to using a smaller f-stop (bigger mathematical number). That means that if you have a lens that can go to f/1.8 and you shoot at f/1.8 then you are shooting wide open. This means that your f-stop is as wide as it can go. ![]()
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