Aperture refers to the size of the opening in the lens that determines the amount of light falling onto the sensor. The size of the opening is controlled by an adjustable diaphragm of overlapping blades similar to the pupils of our eyes. Aperture affects exposure and depth of field. Successive apertures halve the amount of […]
Posts Tagged ‘depth of field’
Lesson 22: Conclusions
January 5th, 2010 
Andrei I will conclude this first beginner tutorial with some basic ideas that you need to have in mind when taking photos, so that you will be satisfied with the final result. What goes through your mind in the moments as you raise your digital camera up to take a shot and before you press the […]
Posted in Beginner's Tutorial 
Tags: active space, aperture, composition, depth of field, diagonal lines, dof, filling frame, focal point, framing, horizontal lines, lines, rule of third, the beginning, vertical lines 
Comments Off on Lesson 22: ConclusionsLesson 21: Background
December 13th, 2009 Andrei The background in a photography is both an opportunities and a challenge to photographers. On the one hand it can put a subjects in context and make it stand out in a way that highlights it wonderfully, but on the other hand backgrounds can overwhelm subjects and distract from them. Some of the common problems […]
Posted in Beginner's Tutorial Tags: background, composition, depth of field, the beginning Comments Off on Lesson 21: BackgroundLesson 19: Using Focal Points
November 22nd, 2009 Andrei Next time when you are about to press the shutter button on your camera, take a moment and ask yourself: “What is the focal point in this picture?” Some other ways to ask the same question might include – What is the central point of interest? What will draw the eye of the viewers of […]
Posted in Beginner's Tutorial Tags: composition, depth of field, dof, focal point, rule of third 1 Comment »Lesson 12: Semi Automatic and Fully Manual Modes
October 28th, 2009 Andrei APERTURE PRIORITY MODE (A or AV): This mode is really a semi-automatic (or semi-manual) mode where you choose the aperture and the camera chooses the shutter speed so as to ensure you have a well balanced exposure. Aperture priority mode is useful when you’re looking to control the depth of field in a shot (usually […]
Posted in Beginner's Tutorial Tags: aperture, depth of field, manual mode, semi automatic modes, the beginning Comments Off on Lesson 12: Semi Automatic and Fully Manual Modes
