Malvern u3a. Camera Group - Camera Menus. Fully automatic - where we all start! (May show as a camera). Programmed auto. Auto flash off. Shutter priority auto (May show as S). Fully manual. Aperture priority auto. Portrait. Night portrait. Sports. Landscape. Macro (Close-up).
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Malvern u3a • Camera Group - Camera Menus
Fully automatic - where we all start! (May show as a camera) Programmed auto Auto flash off Shutter priority auto (May show as S) Fully manual Aperture priority auto Portrait Night portrait Sports Landscape Macro (Close-up) CAMERA MENUS - THE MODE DIAL What control do we have?
CAMERA MENUS - FIND THE BUTTON Press here
CAMERA MENUS - PICTURE QUALITY How many Megapixels for a decent print? http://www.design215.com/toolbox/megapixels.php
CAMERA MENUS - PICTURE QUALITY How many Megapixels for a decent print?
Picture quality CAMERA MENUS - PICTURE QUALITY • If saving as a JPEG (the usual) ... • you can choose the quality of the final image, • by changing the compression level. Least compression gives best image. • Now that storage media comes with plenty of memory the general rule would be ... • SET THE CAMERA TO THE HIGHEST RESOLUTION AVAILABLE
CAMERA MENUS - ISO SETTINGS ISO (sensitivity) setting • You generally get the best picture quality by using the lowest ISO setting your camera offers, such as 50 or 100. • A higher setting such as 400 or 800 will have more digital noise. • BUT ... • Lower ISO settings need slower shutter speeds. (Blur problems.) • If you are on ‘Auto’ you may not be able to set the ISO level.
CAMERA MENUS - WHITE BALANCE This allows the user to set the sensor to respond correctly to different types of lighting. Different light sources - the sun, strip lights, low energy bulbs - have a bias towards different colours. Your brain can sort this out. The camera needs help! White balance lets you specify the type of light you are under. Generally you will leave this on auto (AWB), but if you are taking a set of indoor shots, for instance, it may be worth changing the setting. (Watch the screen change colour as you change setting.) Also, consider changing the white balance between ‘sunny’ and ‘cloudy’ depending on the weather.
Spot Metering based just on a spot section of the image. This is usually at the centre, but more expensive cameras may let you choose the spot’s position. Average Metering based on a number of metering points - assume better cameras have more - with an average being calculated by the camera’s systems. Centre weighted Metering based on a number of metering points but with those in the centre being prioritised when exposure is calculated. CAMERA MENUS – METERING POINTS
CAMERA MENUS - STABILISATION Vibration reduction / Anti-shake / Image stabilisation • Optical stabilisation • The stabilisation system is built into the lens and has a small lens that alters the path of the light entering the camera based on the movement of a gyroscope. • This systems can produce excellent results but can shorten battery life by as much as half if left on. • Generally found on Nikon (VR) and Canon (IS) DSLR lenses. • Relatively expensive.
Electronic stabilisation • Commonly built into cameras where • the image is composed on a screen rather • than the traditional viewfinder. Also used where • size of lens/camera is an issue. • There are two systems that may be used electronically. CAMERA MENUS - STABILISATION • The older system boosts the ISO rating so that a faster shutter speed is used by the camera, so cutting the risk of blurring. This can cause more ‘noise’ in the image. • Newer cameras may have a system that reduces the sensor area used, leaving a ‘buffer’ around the centre. The camera’s electronics sense any movement and moves the active portion of the sensor accordingly. Image quality will be slightly reduced.
Face/Smile recognition CAMERA MENUS - FACES & SMILES • When set the camera will constantly scan the view on display looking for what it recognises as faces. • Usually puts a coloured box around a face (or faces). • Half press shutter release for focus lock (on faces). When happy with expressions, take picture. • Reduces battery life.
CAMERA MENUS - FILE FORMAT Image file format - you may not have this choice
Malvern u3a • Camera Group - Camera Menus