Exposure in photography

All photos start at the Exposure. If you shoot in Auto mode, you’re used to the camera set the exposure. But most modern cameras cannot take excellent result. Improving photography skills requires an understanding of the elements of exposure.

You shoot in the RAW and you do not need to fix White Balance in Photoshop. But you should learn how to adjust the color temperature in Photoshop, it is necessary. You shot a home party in JPEG or you want to edit the photos you took a smartphone or your parents asked you to help them edit a few photos.
white balance in photoshop

F-Stop Chart that in diagram form illustrates the special aspects of photography aperture and its connection with the F-stop, lens, light, and depth of field.
F-Stop Chart

F-Stop and Aperture are one of the articles on exposure. What do these terms mean, what do they have in common and how do they differ?
F-STOP AND APERTURE IN LANDSCAPE PHOTOGRAPHY

This basically means that with a low ISO you will use slower shutter speed, and with a high ISO, you will need a faster shutter speed. When you double the ISO speed, you double the brightness of the photo. So, an ISO 800 photo will be twice as bright as ISO 400, which will be two times brighter than ISO 200.
IS ISO IN PHOTOGRAPHY

Photo with differnt setting ISO.
ISO-800, ISO-400 and ISO 100

Turn the Mode dial to align the Manual mode (M) or Aperture priority (Av).
Turn the small main dial to select the aperture. The camera automatically selects the shutter speed.
Also, you can set the camera to Manual mode, you set the shutter speed and aperture manually.

You should find the lightest point of your photo. How to do it?

Open the Curves dialog box. All we have to focus on is the Eyedroppers at the Curves dialog box. Click on the eyedropper to set the White Point.

Press and hold the Alt button. Simultaneously move the white adjustment slider at the bottom of the chart to the left. Your image will turn black. As the white slider drag to the left, parts of the image will become bright. These are the brightest parts of the photo. Click on one of these parts.

he black point, like the white point, is set similarly.

You need to select another pipette in the Curves dialog box. And holding the Alt button to drag the black adjustment slider to the right. The photo will turn bright white. Gradually begin to appear black dots. These are the darkest parts of the photo. Click on one of the black areas