2.8 f stop3/29/2023 Most camera aperture settings are in third stop increments, giving you fractional settings in between the full stop settings. The minimum aperture doesn’t change no matter where you zoom. Then when you zoom in to 135mm, your maximum aperture will be f/5.6, and if the zoom is in between then your max aperture is also somewhere in between. Or maybe you have a zoom lens called an 18–135mm f/3.5-5.6 which means the lens zooms from 18mm to 135mm and the maximum aperture of f/3.5 is going to be at the wide end of your zoom-that 18mm range. Generally speaking, f-stops start at f/1.0, but that doesn’t mean your camera lens is able to go there. Lenses come in a range of f-stops-not all lenses can go as wide as f/1.0 or as narrow as f/32, but rather fall somewhere in between.įor example, if your lens says f/2.8, that refers to the widest, or maximum, aperture. If you shrink the opening so half as much light gets through, you are stopping down (f/1 > f/1.4 > f/2…).įull Stop Settings: f/1, f/1.4, f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16, f/22, f/32, f/45, f/64Īperture Ring: a rotating ring on the lens barrel that allows manual adjustment of f-stopsįast Glass: wide maximum aperture lenses like f/2.8 or f/2 and wider Stopping Down: Changing the aperture to let in less light. So, the backwards system works like this:į-stop: the number that says how big the opening is When you change the size of the opening, it changes your exposure in a few different ways.īeginner photographers may have trouble understanding aperture at first, because the bigger the number, the smaller the opening and vice versa. Simple Definition of Aperture: the opening that light goes through to land on your camera’s image sensor to make a picture
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