If you are looking to shoot some extreme close ups using a macro lens can be extremely useful. Fortunately, you can make your own with a lens cap, a body cap and a light proof tube. Extending space between your lens and your camera with some sort of light blocking tube can give you a nice macro lens effect. It’s really as simple as that. DIYPhotography recently posted a DIY macro lens created by instructables user Snelpiller. He offers a step by step guide to creating a cheap macro lens using only a few simple supplies.
To check out how to make a macro lens, take a look at Snelpiller’s guide.