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Here are my photography guides and tutorials where you can learn about photography theory and practice. They include sample images and what settings to use on your camera so you can improve your photography skills.

Introduction to Macro Photography
Macro photography is close-up photography. The classical definition is "photography in which the image on film or electronic sensor is at least as large as the subject". This definition means that on 35mm film the camera has to have the ability to focus on an area at least as small as 24.36 mm, as this is the size of the image on the film. This is a magnification of 1:1.
A Comparison of Close-up Filters and Macro Lenses
I have had quite a few emails from people who have either the standard lens kits or a limited set of lenses, and are looking to do some macro photography. What kind of results can be obtained using these lenses, and what is the difference compared with a dedicated macro lens. Also, what is the difference be between a macro lens close to the subject vs. a telephoto lens further away?
If you behaved like your government, you'd be arrested.Anonymous
DIY Shutter Release
When taking long exposures, such as during astrophotography, it is necessary to release the shutter without actually touching the camera. By touching the camera you are introducing vibrations which blur the image. There are three options available, use the on board timer, a 10 second countdown, or use a cable release. My Canon has a cable socket, so I looked around for one on the internet and low and behold there were lots, ranging in price from £15 to £60 (for what I assume to be a switch on a plug!).
Depth of Field – An Introduction
Depth of field is the range of distance around the focal plane, which is acceptably sharp. Factors affecting the depth of field are the camera and lens type, aperture and focus distance.