Photography Simplified – II

I hope you liked my first blog on breaking down the photography lingo into simpler terms. Here I am with my second blog on simplifying terms for you.

a. Exposure – I did explain the basic meaning of Exposure in my blog I, but here I am going to go in detail. Exposure basically is how bright or dark your image is. So there are 2 types of Exposure :

OVER EXPOSURE UNDER EXPOSURE
Photo is too bright Photo is too dark
Over Exposed image is one where you’ve spent too much time and given too much light in the capture Under Exposed image is one where you’ve spent less time and given less light in the capture
If your capture is too bright, it is known as an Overexposed Photo If your capture is too dark, it is known as an Underexposed Photo

b. Noise/Grain – Noise refers to random grains or dots in your captures. These patterns usually hide the fine details in your capture. These grains can mostly be found in nightlight captures where you have to keep a high ISO (next term). You can also see an example and read more about ISO and noise here.

c. ISO –  ISO, in simple terms, is that feature in your camera which will brighten or darken the photo. It determines camera’s sensitivity to light. To read more about ISO, click here.

d. Aperture – Aperture, in simple terms, is an opening which becomes wide to let more light in the camera and becomes narrow to let less light in the camera. So this controls how much light will enter the camera and controls Depth of Field (next term). Aperture is measured by f-stops (term after next). Also to understand Aperture in detail, please click here.

e. Depth of Field – This is an area of the image that appears sharp. This is controlled by making changes in your Aperture setting. However, the focal length of your camera lens also affects Depth of Field. You can find out the meaning of focal length in Photography Simplified – I. So, there are 2 types of Depth of Field :

SHALLOW DEPTH OF FIELD DEEP DEPTH OF FIELD
An image with a blurry background An image which is entirely sharp.
Used when you want to completely isolate the subject from its background Used when you want to keep everything seen in your image in focus.
Recommended for Portrait, Macro Photography Recommended for mostly all genres of Photography

f. f/stops – This is the value of your camera’s aperture. This is extremely important to know because it helps setting the right exposure in an image. Read more about Aperture and f/stops here.

g. Shutter – This is like a curtain in your camera that opens over the image sensor to allow light to enter the camera and shine on the sensor and closes over the image sensor to restrict light from entering the camera. Think of it as how quickly or slowly you would roll over curtains in your house to restrict from or allow sunlight to enter your house. So your image is bright when the shutter allows light to shine on the sensor for a long time and your image is dark when the shutter moves quickly and restricts light to shine on the sensor for a long time. 

h. Shutter Speed – Shutter Speed, in simple terms, is the length of the time the shutter in your camera was open. So this controls the duration of the light entering your camera. I will talk more about Shutter Speed in my next post because this is a concept which needs a lot of explanation along with an example.

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