EV對照表|攝影線上App不用買

攝影朋友都知道，在光線非常微弱的環境下，都要使用大光圈來測得一個基準值，再以此基準來換算成實際拍攝的光圈數及快門數，但是要通常是現場測出後再心算級數，對於非常有經驗的攝影前輩當然是瞭若指掌，但是對於初學者確是有點瑣碎的一件事，所以特別開發此軟體讓初學者可以很快速的換算可以設定之光圈及快門值。使用說明：1. 首先您先使用手中的相機，調到大光圈，一般為F2.8或F4，用您常用的測光方式測得一組快門數。2. 在本軟體的畫面底下選擇您測得的光圈及快門數據。3. 然後按換算鈕，即可以得到各級EV值所需的光圈及快門數。------------------------------------------------Photography friends all know, is very weak in the light environment, must be measured using large aperture to a baseline value, using this base to convert the actual shooting aperture numbers and shutter a few, but should usually measured Hou Zai Xian Chang mental arithmetic progression, for the very experienced senior photography course, the if the palm, but for beginners is really a bit trivial thing, so this software specially developed for beginners can be very fast conversion can set the aperture and shutter value.Instructions for use:1. First of all, you first use the camera and transferred to a large aperture, usually F2.8 or F4, use your common metering method measured the number of a group of shutter.2. In the software under the screen select your aperture and shutter the measured data.3. And then press the convert button, which can be needed at all levels of EV values of the number of aperture and shutter.

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