exposure_mat
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| exposure_mat [2016/01/26 12:55] – created admin | exposure_mat [2016/01/26 12:56] – [Exposure mat] admin | ||
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| //The Exposure-mat is based on the principle that at an aperture of f16 on a bright sunny day which can be quantified as a light level of LV 15 using ISO 100 film. Given these conditions your pictures will be properly exposed when the shutter speed is the reciprocal of the film speed i.e. 1/100th of a second, modern cameras usually have 1/125th of a second as the nearest shutter speed to this, which is within 1/3 of a stop and therefore quite acceptable.// | //The Exposure-mat is based on the principle that at an aperture of f16 on a bright sunny day which can be quantified as a light level of LV 15 using ISO 100 film. Given these conditions your pictures will be properly exposed when the shutter speed is the reciprocal of the film speed i.e. 1/100th of a second, modern cameras usually have 1/125th of a second as the nearest shutter speed to this, which is within 1/3 of a stop and therefore quite acceptable.// | ||
| From: [[http:// | From: [[http:// | ||
exposure_mat.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1