The camera’s metering system will sometimes determine the wrong exposure value needed to correctly expose the image. This can be corrected by the “EV Compensation” feature found in prosumer and professional cameras. Typically the EV compensation ranges from -2.0 EV to +2.0 EV with adjustments in steps of 0.5 or 0.3 EV. Some digital SLRs […]
Posts Tagged ‘aperture’
Exposure Compensation
August 10th, 2011 
Andrei 
Posted in Exposure 
Tags: aperture, exposure, exposure compensation, iso 
Comments Off on Exposure CompensationExposure
August 7th, 2011 Andrei The exposure is the amount of light received by the sensor and is determined by how wide you open the lens diaphragm (aperture) and by how long you keep the sensor exposed (shutterspeed). The effect an exposure has depends on the sensitivity of the sensor (ISO sensitivity). Accredited online photography schools can teach you more […]
Aperture
May 16th, 2011 Andrei 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 […]
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 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
