Let’s think technical for a moment. A properly exposed image is created by mixing three key elements, known as the Exposure Triangle—Aperture, Shutter Speed and ISO—to produce the right amount of lightness and darkness for a photograph. There are almost endless combinations that can be used to achieve an equivalent exposure. Leaving your camera in full auto mode will usually guarantee a perfect exposure, but not necessarily a perfect image. To be creative, a photographer decides how much of each element’s value to use based on the element’s … [Read more...] about Understanding Equivalent Exposure Pay attention – there’s a Quiz
aperture
Lens Review: Lensbaby Twist 60
This new Twist 60 lens from Lensbaby has my full attention right now. There are always new lenses boasting extreme sharpness or wide apertures or super telephoto, but Lensbaby steps aside from the sharper-faster-longer race and makes tools that actually help me be more creative. In short, it's a marvelous hunk of metal and glass, it's affordably priced, and I think you'll love it too. Keep reading for the reasons why. Petzval for the 21st Century Petzval was a scientist in the 1800's who created a new lens design, and it made big … [Read more...] about Lens Review: Lensbaby Twist 60
Photography’s Basics: Aperture
The aperture in a lens is photography's analog to the irises in our eyes. Our irises enlarge to let in more light in dim circumstances. They contract to a smaller size reducing the amount of light in bright places. The aperture (also known as the f/stop) in a lens does the same thing. Of course, there's a lot more to it.The aperture not only controls exposure, it is a creative tool too. Want the background out of focus? Choose the right aperture. Need things sharp front to back? There's an aperture for that. Bokeh? Yep. It's all about the … [Read more...] about Photography’s Basics: Aperture
