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Control How Your Camera Views Light
Cameras don't see light the way we do. In fact, they see significantly less of a range of light and darks than we do. Because of this, they can sometimes be fooled. However, despite their limitations, understanding the different ways in which they measure light can help any photographer improve upon the results. But to do this, we need to understand something called "metering". Metering is the way that your camera evaluates the scene and responds with the appropriate settings. For instance, if you point the camera at a bright sky, it's going to give you different settings or tell you the light is different, than if you point it at a dark grove of trees. Because not all scenes are created equal, camera manufacturers have invented things called "Metering Modes". Thankfully, these are pretty common among all cameras. Let's look at 3 of the most popular modes. 1. Matrix or Evaluative metering: this kind of metering is the default setting on most ca...
Manual Mode: Shutter Speed
Yesterday, we looked at how aperture will affect your exposure when you are in manual mode. The next setting we need to examine is Shutter Speed. Shutter speed is simply that: the speed at which your shutter opens and closes when you make an exposure. Shutter speed is measured over time, and is often referred to as "Time Value" (Tv). Generally, you take photos in fractions of a second, but that all depends on what you are photographing. For now, let's talk about light and shutter speed. Simply put, the faster your shutter speed, the less light you have. The slower your shutter speed, the more light you have. When it comes to exposure, you must choose a balance with your shutter speed that will allow your camera to get enough light for the exposure and also to be quick enough to not let your exposure be blurry. This is naturally a balancing act with photographers, adjusting both the shutter speed AND the aperture to get them an accurate exposure. To adjust these ...
