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Optimum Aperture?
For a long time now the conventional wisdom to help obtain maximum image sharpness has been to stop the lens down to its optimum aperture, usually two stops from maximum (wide open). However, this is not true in every case. After acquiring … Continue reading
Posted in Blog, Photo Topics, Tech Talk
Tagged Canon 100-400mm F-4.5-5.6 II, Canon 300mm F-4.0, Canon lens tests
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