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by Todd Vorenkamp · Posted
Taking a look at any modern mirrorless or DSLR camera, you’ll notice a slew of controls, buttons, and dials. Atop nearly all cameras sits a large dial labeled with many letters and icons. This is our mode dial. It is how we control the level of power we give to our camera or take for ourselves.
One of the wonderful things that modern electronic digital and film cameras give you is many high-tech options for your image making. One of the horrible things that modern electronic digital and film cameras give you is many high-tech options for your
by Mathew Malwitz · Posted
Despite what you might have seen on the internet, you don’t need all the money and time in the world to photograph wildlife. Sure, an African safari would be nice, but it is by no means the only way to capture stunning images of wild animals. In fact, regardless of where you live, odds are there’s a vast ecosystem that likely goes unnoticed. If you have trees in your neighborhood, you’re off to a great start.
What You Need to Photograph Wildlife
While gear plays a crucial role in our ability to photograph wildlife, it isn’t everything. In this
by Todd Vorenkamp · Posted
Specular out-of-focus highlights have appeared in photographs since the first photos were taken through lenses. In 1997, Photo Techniques magazine introduced the word “bokeh” to the photography world’s vernacular and the out-of-focus areas of photographs have been scrutinized ever since. Before the term, there was certainly discussion about the aesthetics of the out-of-focus specular highlights of a photograph, but until 1997, there wasn’t a good word in the English language to describe the phenomenon. Credit goes to Mike Johnston, article
by Todd Vorenkamp · Posted
Depth of field (DOF) is defined as the area in a projected image, forward and aft of the focal plane, which also appears to be in focus in the image. When you pass light through a lens and focus that light to form an image on a piece of film, digital sensor, projection screen, etc., the area of the image that is in true focus is razor thin—the focal plane. Everything else is out of focus, to some degree. However, because of the subtlety of the out-of focus regions, we do not notice the softness of the image until, as objects are located
by Todd Vorenkamp · Posted
There is a great deal of confusion surrounding crop factor, and it is particularly difficult to explain, but let’s give it a try, shall we?
Before we dive in, let me dispel two vicious rumors related to crop factor that are circulating through the photography (Internet) world today:
Crop factor does NOT affect a lens’s focal length.
Crop factor does NOT affect a lens’s aperture.
Before you scroll to the bottom of the screen to leave a comment to the contrary, let me explain why I am stating these facts…
by Shawn C. Steiner · Posted
With the ever-increasing number of pixels manufacturers can cram onto a single digital image sensor, the optics themselves are beginning to become the limiting factor in image quality. This is making it all the more important to stop down our lenses in an effort to squeeze as much sharpness from them as possible. Unfortunately, while stopping down is a great way to sharpen pictures, if we go too far, we end up with deteriorating image quality. This optical effect is called diffraction.