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Stories and articles on educational issues and about ICT, distance learning
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Understanding metering, part one: introduction

Understanding metering, part one: introduction | On education | Scoop.it

One of the more important – yet almost always overlooked – aspects of camera operation is metering. Simply put, the meter determines what your final exposure is, and how bright or dark your image looks relative to the scene. Unless you are shooting manual – and even then – the camera’s exposure is determined by the meter. Add the fact that the eyes of a viewer tend to go to the brightest and/ or highest contrast portions of an image first (i.e. this should be your subject) – and it’s clear to see why it’s absolutely critical to understand both how metering works as a fundamental concept and any camera-specific peccadilloes that might exist. The last thing you want is to find that your camera drastically underexposed a once-in-a-lifetime shot of some critically important event because you didn’t know (or forgot) that the meter was extremely affected by point light sources*.

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Rescooped by Lars-Göran Hedström from 21st Century Education - USA
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Map of Life — an interactive resource for global biodiversity analysis

Map of Life — an interactive resource for global biodiversity analysis | On education | Scoop.it

Online mapping tool streamlines global species distributions. Map of Life — an interactive resource for global biodiversity analysis — launches today, promising a new era in the visualization of species distribution


Via Sakis Koukouvis, Dr. Richard NeSmith
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