https://www.youtube.com/watch?v=ayQYe27rPLM 在数字电影制作时代,测光表似乎已经成为过去。如今,数码相机通常具有巨大的动态范围,使摄影师能够更轻松地掩盖后期制作中的曝光错误。但大多数真正伟大的电影摄影师都会刻意而精确地使用光线——要做到这一点,你需要一个测光表。点测光表与测光表 测光表主要分为两类...
It’s pretty hard to learn how to use your cameras internal light meter if you don’t know how to read one. A light meter is a line with a 0 in the middle, with the numbers 1, 2, and 3 going out in either direction from the center. The first important thing to know is that ...
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An electric meter with a digital display makes it easy to see how much current is coming in. You may have to press a button to light up the display, after which, you can read the numbers from left to right. Write down every number except for those that are red or have a red backg...
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This section provides concepts and methods pertaining to the measurement of light. Most meters consist of a body, a photo cell, and a readout. Light falls on the photo cell, and its energy is converted into electrical current. The meter reads the electrical current and calculates the ...
Read the numbers on the digital electric meter display. Pay particular attention to where the decimal point is. Failure to properly locate the decimal point will result in a reading that is grossly wrong. Write the numbers in your notebook. If your electric meter has small clock faces with ...
A multimeter is has three parts: Display Selection Knob Ports Thedisplayusually has four digits and the ability to display a negative sign. A few multimeters have illuminated displays for better viewing in low light situations. Theselection knoballows the user to set the multimeter to read differe...
What is easier is to use aUSB multimeterthat’s specifically designed to measure the two important parameters, voltage and current. Just connect it in line and the readouts will be displayed intermittently. The meter is simple, yet again a very useful gadget. Say you buy a new iPhone Pro ...
2. How to Calculate Lighting Needs Why do you need to do this? Well, calculating lighting needs helps you to know how much electrical power is needed to accommodate your room’s lighting needs. Now: To achieve this, you’ll need a light meter to measure light in lumens. ...