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How to Use a Histogram (and Take Your Digital Photos)



  Understanding the Camera Histogram Using a

Have you ever taken a picture and thought that your digital camera's LCD looks good just to get home and spot an overexcited chaos on your computer screen?

It can be difficult to tell if an image looks good on a small, bright screen, but fortunately there is a tool that can help you determine if your image is too light or too dark: the histogram of your camera. This is a feature formerly reserved for more advanced cameras, but has been added to more and more base devices in recent years ̵

1; even to many phones.

Learn how to get the most out of it The histogram, which gives you the right exposure for your images – and finally captures your digital photography.

What is a histogram?

The dictionary definition of a histogram is a graphical representation of the distribution of data, usually shown as a bar chart In digital photography, this refers to the pixels that make up your image and shows a histogram on your camera where each pixel differs from pure black to pure white in terms of brightness. In practice, this looks like a diagram with a series of peaks and valleys. The higher the peak, the brighter the pixels. This is the tonal distribution of your image and reading allows you to judge the exposure of your image on the LCD or EVF of your camera.

The histogram can usually be found frame-by-frame as you scroll through your photos (Depending on your camera's playback mode, this option may not be enabled or disabled.) Many cameras now allow a live histogram view, either on the back LCD display or – in the case of mirrorless cameras – on their electronic viewfinders, this is very useful as you can change your histogram while framing your image and adjusting your exposure.

  An example of the histogram of a DSLR. ( Image via Nikon)
An example of the histogram of a DSLR. (Photo via Nikon)

How to use a histogram?

Although one of the best ways to quickly and accurately judge your exposure is The histogram is often overlooked by amateur and novice photographers – if you do not know what it is, a histogram just looks like a weird graphic, and much more People have no idea how to use it to their advantage. In addition, the "ideal" histogram differs for each shot and changes according to the look you want. So if you are unfamiliar with the histogram, you can be very reliant on being able to rely on it.

Fortunately, a histogram at its most basic level is not difficult to understand: the horizontal axis shows the tone distribution (dark to light), while the vertical axis indicates the number of pixels in a particular tone – and remember, the higher the Tips, the more pixels there are. The far left side of the horizontal axis shows the darkest areas of the image and then moves to mid-gray in the center and brightest on the far right. For example, a high light image shows graph data centered on the right side of the histogram.

  The histogram in this image shows that most of the pixels are at the far left, indicating that
The histogram in this image shows that most of the pixels are at the very left, indicating that there are many dark tones are there.

You will lose details if your image is too light or too dark, and you will notice it If a photo in the histogram is overexposed or underexposed, it will be displayed as missing pixel information on the far left or rightmost. In this case, you should adjust your settings to choose a different shutter speed, choose a larger or smaller aperture, increase or decrease the ISO, or adjust the exposure compensation.

Depending on the situation, sometimes an uneven distribution is okay. When you record snow, a white object, or something against a white background, the histogram displays more data points on the right side. The opposite is true when you record a dark scene or a black object. The key here is to know how you want your image to look and display it properly to get that result. Taken in isolation, the histogram is just data, not right or wrong in any situation; You need the context of your desired image to judge if the data on the histogram gives you that.

  Understanding Histogram-2
There is obviously a lot of overexposure in this photo, and the histogram shows that. 19659016] The histogram is not an idiot-proof tool for photographing perfectly exposed photos, because that's not always possible. You can not press a button and make a picture better – not even the automatic setting of the camera is smart enough to do that. But keep in mind that it's a useful tool that will tell you quickly how high the exposure of your photo is, rather than just guessing by looking at the picture on the LCD. As your photography improves and you learn to adjust the settings, you will learn to read the histogram better.

You can also use the histogram in apps like Adobe Photoshop or Lightroom to improve image quality during post-production. It can help you more accurately adjust the look and exposure of a series of images you are working on, or you can analyze your images after taking a picture to see how you can enhance your photography.

Still unsure? This video from Creative Live shows how the histogram works.






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