What is the diopter? Many photographers make jokes about it

Yesterday, someone left a message saying that it was fuzzy to see the picture through the viewfinder when taking pictures, but the photos taken were clear, and asked if there was something wrong with the camera. < / P > < p > on the camera, there is a wave wheel with the symbol “+” – “, which is used to adjust the diopter. Different cameras, diopter adjustment wave wheel may be in different places, but basically in the camera viewfinder. < / P > < p > if you look at the picture through the viewfinder without glasses, you will find that the picture you see is blurred, that is, the picture in the whole viewfinder is blurred. But you can look at the viewfinder with glasses. < / P > < p > I found a schematic diagram to show you. On the left is the picture that people with myopia see through the camera viewfinder after taking off their glasses, and on the right is the picture after adjusting the diopter: < / P > < p > through the above explanation, you can understand that the diopter adjustment wave wheel on the camera is for people with myopia. By adjusting the diopter, people with myopia can see a clear picture in the camera viewfinder without wearing glasses. < / P > < p > you can push the lens to the long focus and focus, and then start to move the diopter adjustment wheel; the picture in the viewfinder will gradually become clear and then blur, and you can find a position where you can see the focus object clearly and the eye is not uncomfortable. < / P > < p > of course, it’s OK. It’s just a matter of personal choice. When you look at the viewfinder with glasses, the lens plus the viewfinder will create a distance, which will reduce the field of view of the viewfinder you see. Using a real-time viewfinder consumes power, and you may run out of power when you pat. Skip to content