DSLR Technology

Digital Single Lens Reflex (DSLR) cameras are the top-of-the-range cameras. Although they rely on the basic principle of photography as described in the Introduction, still many differences can be found between various DSLR cameras.

Today’s DSLR cameras feature numerous utilities and appliances such as exposure metering sensors, autofocus sensors, image stabilizers, quick focusing motors and many others to assist the photographer in getting the perfect shot. Also, modern cameras feature a variety of digital processing steps to improve the image quality directly on the camera. The technology used for these additional assistance utilities and post-processing electronics is what separates the wheat from the chaff throughout today’s cameras. This compendium comprises several articles on the technical and electronic principles that drive today’s DSLR cameras.

Article Overview
Internal Structures
Viewfinder Optics Part I
Viewfinder Optics Part II
The Metering Sensor
Image Image Sensor Part I
Image Image Sensor Part II
The Shutter
Autofocus Systems Part I
Autofocus Systems Part II
Autofocus Systems Part III - NEW!
Autofocus Systems Part IV - NEW!