Just bought the Sony NEX-6

Started Jan 10, 2013 | Discussions thread
Tommygun45
Senior MemberPosts: 1,041Gear list
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Re: Turn the focus assist light off
In reply to Ralph46, Jan 10, 2013

Well this certainly was a loaded question. Where to begin.

First things first I would go to youtube right away and subscripe to the photography 1 on 1 series of videos psoted by adorama. They are fairly basic guides on all types of topics. Although the guy uses dslr's in all of the videos the same capabilities are available on our cameras. Its the concepts that are important. You need to learn how ISO, shutter speed, aperture and exposure are going to be effecting your images. Once you have the general relationship between these down everything else can fall into place.

To put it as simply as I can..

You want crisp photos. Blurry photos and out of focus photos are two different things. Blurry photos are caused when the camera is being moved, or the subject is moving, and your shutter speed is not fast enough. Out of focus pictures are caused when you or the camera focuses on the wrong thing. Out of focus is not the point here, that has its own set of issues but this concept is important.

In order to get crisp photos you want your shutter speeds to typically be as fast as possible. This means the shutter will open and close very quickly, 1/60 of a second, 1/250th, 1/500th, all the way up to 1/4000th of a second with our cameras. The quicker this happens the less light is allowed into the camera. Therefore you need bright conditions to shoot this quickly, but when you do, you truly freeze the action.

Two things effect shutter speed. The first is the Aperture. Put your camera in A mode and then  make like you are taking a picture of the camera in the mirror. Look at the opening in the lens and adjust your aperture values from 3.5 all the way up to 22. Youll notice that the higher number you have, the smaller the opening gets. The smaller the opening, or the higher the aperture of "f stop" is the more stuff between you and the horizon will be in focus. The wider the aperture, or the lower the number, or the lower the fstop, (3.5 for instance) the less stuff will be in focus but the more light you will allow in to the camera. Expensive lenses have lower F stop numbers. They go down to 2.8, or 1.8, 1.4 1.2, and sometimes even .95. That is expensive stuff however. For our purposes your camera comes with a lens that at the wide end of 16mm goes to 3.5 aperture, and at 50mm is around 5.6 or 6.3. When its at 6.3 it closes that iris a bit, which lets less light in to the sensor. When there is less light, the shutter has to open longer in order allow more light in.

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