Essentials of Photography



Keep these three in mind when photographing:

  • Aperture
  • Shutter Speed 
  • ISO



Aperture controls the amount of light that reaches the camera’s sensor. The smaller the opening (f 22) the more detail. The bigger the opening (f 2.8) less detail more light. 



ISO setting on your camera governs the sensitivity of the camera’s sensor to light.

Low ISO setting (ISO 100 and 200) are best for fine resolution and optimum image quality.

Fast ISOs (ISO 400, 800, 1600) are great if your maximum aperture is too slow and you’re stuck for a faster shutter speed to use in low light. 



The shutter curtain located in the camera body just in front of its sensor, controls the length of the exposure. 




Bracketing is a general technique of taking several shots of the same subject using different camera settings.

An underexposed image is the sort of photograph that one might consider to be too dark.

Overexposure is the complete opposite of the previously defined term. An image that is brighter than it should be can be considered overexposed.


A perfectly exposed image has a pretty good balance between the underexposed and overexposed– it’s not too dark and not too bright. There is a little detail lost, mostly in the windows as they reflect the most light. Given that’s just about how it actually looked like while standing in front of the building, you could say it is close to “real life” view. It could be ever so slightly darker or brighter, mind – generally, there is some wiggle room when deciding on the “correct” exposure.

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