Through the Lens – 2. Back to Basics

Through the lens_01I’ve received a number of Emails from photography enthusiast friends asking if I could explain the basics with regard to how Aperture, Focal Length, Shutter Speed and ISO settings play their part when choosing camera settings and how these choices affect the final images.

I’ve put together some illustrations, which, I hope will explain how the Aperture (f-stop), and the lens Focal Length will affect the Depth of Field (DoF). I’ve also added some illustrations to explain how Aperture and Shutter Speed affect Exposure and how increasing the ISO can degrade image quality by adding unwanted digital noise.

As I’ve said before “A picture paints a thousand words” ………..

Aperture_01_LR

Aperure-DOF_01_LR

Focal-DOF_01_LR

Exposure_01_LR