Camera Basics ISO, Aperture, Shutter Speed. EXPLAINED !

So have you ever own a professional camera a DSLR, SLR ? if yes then you must have seen a lot of numbers on it while you are talking your image ever wondered what those strange numbers mean ? these three things are extremely important when you take an image and if you know a little bit about these things then it may help you take extraordinary images . I’ll guide you through each one by one.

1. ISO

ISO stands for international standard organisation. ISO is basically the amount of light reaching the sensor of the camera or the camera’s sensitivity to light. You keep this option ON when you want to take images where there is no adequate light or basically in low light environment is the first setting that you need to adjust while taking a photo of any subject. low ISO usually give us real color and if you have a larger ISO then the image might become blurry because of extra increased sensitivity towards light and the sensor might capture a lot of noise as well as it amplifies those signals as well. So, it is not always that keeping a high ISO will result in better images. you must keep it as low as possible and adjust other settings that are available like the shutter speed and the aperture.

Image With A Very High ISO.

3. Aperture

Unlike ISO that adjust the camera sensor’s sensitivity towards light aperture physically controls the amount of light entering the camera sensor through that small hole we see inside the camera lens. it is represented by a F STOP number which you probably have seen by f/1.4, f/2.0 etc. yes these are known as aperture of a lenses. Wide aperture means more light will enter into your camera’s lenses and you’ll get a good picture when you are in areas with low light. smaller the F STOP number wider will be the aperture. so, f/1.4 will mean that the lenses will be opened the most while a f/2.4 aperture means that the opening will be small and less light will enter the camera’s sensor. when you have a smaller aperture, the depth is very shallow and it’s not always that shallow depth is bad you can take incredible bokeh effects shots with shallow depth and on low aperture. So basically, more open the aperture means shallow depth and a low F STOP number and vice-versa

Image With A Low Aperture.

3. Shutter Speed

So, after you have adjusted the ISO and the Aperture will taking an image the last thing comes as shutter speed it is basically then time till which the sensor sees or its visible to light. usually this is represented in milliseconds, fraction. these values are so small because we cannot keep our hand stable for a long period of time, although we can change its value if we know the actual meaning of these shutter speeds. low shutter speeds usually cone in handy when you have a lot of movement going in the frame let’s say a cricket match if you want to click the right shot when the batsmen hits the ball you need t set the shutter value to as low  as possible as the ball will hit the bat for a fraction of a seconds and you want to capture that shot immediately if you  have a high shutter speed at that time even thought the camera may be stable but the ball will have already hit the bat and gone away and you’ll not get that perfect image. So now you’ll thing that lower shutter speed are useless ? but no low shutter speeds are very helpful when you want to take pictures of stars I the night sky, a fast moving traffic shot in a metro city which you must have already seen during these images the camera’s sensor is exposed to light for a very long time and it can be as high as 2 hours.

Shaky Image Due To High Shutter Speed Value

One thought on “Camera Basics ISO, Aperture, Shutter Speed. EXPLAINED !

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