Posted on Monday, 30th April 2012 by Cee
Lens aperture and depth of field are closely related in photography. This tutorial explains through a series of photographs how the change in lens aperture affects the sensation of depth in your photographs. To discover how to make your viewer’s eye move around your photograph or to have it fixed at a certain point of interest, read on. Every camera lens has an aperture. It is the hole inside the lens which lets in the reflected light from your subject. On an SLR camera and some advanced point-and-shoot cameras, you can change the size of the aperture manually. Obviously, changing the size of this aperture will determine how much light is allowed to enter through the lens which will have an impact on your shutter speed, but changing the size [Read the Rest...]
Tags: beginners photography course, depth of field, lens aperture
Posted in Beginners Photography Course
Posted on Saturday, 14th April 2012 by Cee
Why have a grainy speckled photograph when you can have smooth and despeckled one. The secret lies in your camera ISO. Which setting should you use to obtain nice, despeckled photos? Camera ISO was mentioned briefly in Part 2 of this course to you. I used the analogy of employees working to take a picture. The number of employees you have to take that picture represents your ISO setting. So if you have 50 employees, your ISO setting is ISO50. A 100 employees represents a setting of ISO100. The analogy helps you understand that the higher the ISO setting, the quicker you’ll be able to take the picture. That is, you can use a faster shutter speed. Faster shutter speeds at higher ISO settings means that your ISO sensitivity is [Read the Rest...]
Tags: beginners photography course, camera iso, digital noise, iso settings, iso speed
Posted in Beginners Photography Course
Posted on Thursday, 12th April 2012 by Cee
How to measure light or to meter it is an important skill for a photographer to develop early on. It’s important because it will help your creativity as a photographer. And you can only create things in life if you have a grasp of the fundamental principles of whatever it is you are trying to create. Have a look at the image file below that I made in Photoshop. There are 11 separate tones from black-to-white and if you can’t see them clearly and distinctly, you need to calibrate your monitor. This is a tonal zone map. What is a tone? A “tone” determines the brightness level of “pixels” in a photograph. A single pixel is the smallest little square segment of your digital images. So if you have a [Read the Rest...]
Tags: beginners photography course, correct exposure, dynamic range, metering
Posted in Beginners Photography Course