Møller, C., “The Theory of Relativity”, 62 (Oxford, 1952). Bergmann, P. G., “Introduction to the Theory of Relativity”, 37, formulæ 4.19, 4.20 (New York, 1942).

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...