Lens-aperture-cheat-sheet

What is the Aperture of the camera? Basic Settings

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Aperture is one of the three pillars of Photography along with Shutter speed and ISO. The aperture of the camera will affect your picture very much, it decides not only the brightness level but also give a dimension to a picture by changing the depth of field & also add a blurry effect in your pic. Basic settings of aperture are described in this article.

It is like our thought process or mind, if you overthink then the main part is out of focus, just like Aperture, if your F-no is high then the main part of the image is out of focus. One thing I want to clarify that the higher the Aperture lower the F-no & vice-versa.

Topics

  • What is the Aperture in Photography?
  • How to measure Aperture of the camera?
  • How Aperture affects the Exposure?
  • How Aperture affects the Depth of Field?
  • Basic settings of aperture
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EXPOSURE-TRIANGLE

What is the Aperture in Photography?

The aperture of the camera is a hole that decides how much light enters your camera lens to fall on the sensor, just like our “pupil” if it grows big then the low amount of light enters in our eye & when it is small then a high amount of light enters & makes anything bright.

Based on the maximum diameter of the pupil of a fully dilated pupil, the maximum aperture of the human eye is about f/2.4, with other estimates placing it anywhere from f/2.1 through f/3.8.

How to measure Aperture of the camera?

It measured by F-no like F/1.4, F/2.8, F/5.6, etc. A large aperture means a wide opening which means a high amount of light enters and it will make a bright picture. One thing I want to clarify that the higher the Aperture lower the F-no & vice-versa.

How Aperture affects the Exposure?

Aperture has a deep impact on your picture, especially measuring your brightness level. A large aperture means a wide opening which means a high amount of light enters and it will make a bright picture & vice versa, which means if your aperture is F/1.4 than your picture is too bright and if your aperture is F/22 than your picture is too dark. So, choosing the correct aperture depends on how much bright the area is, if you are capturing this in indoors then you need a bright picture, a wider aperture will perfect for this.

How Aperture affects the Depth of Field?

The aperture of the camera is responsible for the blurry effect that gives a dimension to a picture. A large aperture means a wide opening which means the background of your image is blurred.

Basic settings of aperture

When we are capturing a landscape picture then we need a lower aperture because we need all the parts of this image in focus. When we are capturing a portrait picture then we need a blurry effect, shallow depth of field, so we need a larger (wider) aperture because we want only face in focus and a good background blur image.


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