Lens Properties - Aperture
Lenses
Updated by renan - 1 day ago
Another important property of a lens is the aperture. This provides photographers with options to control the technical and artistic qualities of a picture by adjusting the front opening of the lens which affects the exposure and depth of field.

Lens Properties - Focal Length
Lenses
Updated by renan - 3 days ago
Purchasing a camera with a fixed lens or choosing a new lens for your interchangeable lens system could be quite confusing specially with all the different lens properties and misleading specifications laid out by different manufacturers. Understanding the important properties of a lens system is your first step in making a proper decision.