Tags: Learning, Photography
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Today's Topic: Aperture Part I
This will be a multi-part topic. Today I will discuss my experience with aperture setting rather than go in to a mathematical discussion about f-stops. The main thing I will try to explain is how your photos are affected by the aperture setting. To best put it. The lower the f-stop (higher number)... (1) the more depth of field (focal distance) you will have infront of and behind your subject, (2) and less light enters the lens to create an exposure. The opposite is true as well. The higher the f-stop (lower number)... (1) the less focal distance you will have infront of and behind your subject, (2) and more light will enter your lens to create and exposure. On a bright, sunny day this does not matter as much if you are shooting outdoors. The sun is bright enough to provide a proper exposure. However, if you are shooting indoors without any available sunlight or flash, lower apertures can help you to achieve a good exposure as long as you do not need a great depth of field. (I will discuss how to overcome this issue in my discussion about ISO).
Please notice the examples posted here. Example 1 was shot with a wider aperature (f/2.8) and Example 2 was shot with a more shallow aperture (f/8). In Example 1, the subject is set apart from the background. The background is very soft and completely out of focus. In Example 2, the subject and the backgound is in focus. Neither exposure is consider to be incorrect. It's a matter of opinion and it's completely up to the photographer and story that he/she wants to achieve.
In Part II I will discuss more about the mathematical aspect of aperture to help you understand more about this topic.
Today's Topic: Shutter Speed If you have read the user guide of your camera's manual, you know that your camera has a shutter release button. This is the button you press to tell the camera to take a photo. Depending on the type of camera you have, you might hear a click, flutter, or some other weird sound. Depending on how long you have your shutter speed set, you may even notice that it will click again some time after you initially press the button. That's because when you press the button the shutter opens (first click/sound/etc.). The second sound you hear is the shutter closing. What does this mean? What is happening and why is my camera taking so long to take a photo? I plan to bring some understanding to these questions. In my opinion, Shutter speed is one of the features of a camera that allows an extreme amount of creativity. It all depends on you and what you want to do. Did you mean to get a blurred photo? or was it a mistake? How do I correct the exposure to get the result(s) I'm looking for? Simply put, shutter speed controls how long it will take your camera to make an exposure. Most DSLR camera can keep the shutter open for up to 30 seconds (long) and depending on the camera model, you can have exposures ranging from 1/2000ths of a second to 1/8000ths of a second (fast). The longer you keep your shutter open, the more motion you will capture into your photograph. You may even notice ghosting or motion blur in some or all of your photos. This can be good if you want motion to accent your photograph. If you do not know how to set this on your camera, this can get pretty annoying. When I got my first DSLR, I set my camera to auto exposure mode. And I did not understand why my backgrounds showed motion blur by people who were passing by as my subject was still and sharp.
Example 1 I did research. I found that my shutter speed was too low. Good enough to capture a subject who did not move much but not good enough to get the person in the background who was trying to get to work. Take a look at the photo above. Same scenario. For those who are not moving, they seem fine. This time my subject, who was teaching lighting, had a point he wanted to get accross.This photo correctly expresses this. I think this photo is perfect in that sense. The other thing to take note of is... your camera will let more light in the longer the shutter stays open. This can be good if you are shooting a non-moving subject while using a tripod. So if you are into shooting food, jewelry, flowers, this helps to keep a low ISO and keep out noise from higher ISO settings for these kinds of photos. ASSIGNMENT: Set your camera to shutter priority mode and try shooting different objects and see how this works for you. Get out your user manual to find out how. NOTE: Always keep your camera's user guide handy!!! Please come back to visit my posts. Ciao for now!!!
Most digital camera today come with an automatic setting. Automatic settings are great if you need to capture a moment happening right then and there. You pull your camera out of you pocket or bag, turn it on and press the button to take a picture. But do you know what's really happening? You have a photo that looks okay, but it's not really worth publishing.
I thought I had good photos until I signed up for an online stock photo site and wanted to contribute some of my photos for stock photography to make some money. I took three of my (at the time) best shots and submitted them. A few days later, I received a rejection letter. I was crushed. They were straight to the point, they said, in so many words, my photos were not good enough for stock photography.
Instead of putting down my camera, I decided to learn more. I started going through the the sites stock photography to compare. What I discovered was they were absolutely right. Compared to the stuff on that site, my photos sucked. They were good enough for grandma, but they would not sell to anyone I wasn't related to.
Bottom line. I want to learn more about photography. And I don't want to spend a lot of money going to school. I will seek out the resources, and post to this blog. I will invite you to come by my blog and read my updates as I learn and teach.
Ciao for now!!!
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