You buy a new lens, take a few photos, enlarge them on your computer, and something bothers you. One image looks wonderfully crisp. Another seems slightly soft. The center appears detailed, but the corners do not. Now you wonder whether…
What Is Shutter Shock in Photography
You place your camera on a sturdy tripod, focus carefully, choose a sharp aperture, use a low ISO, and photograph a completely stationary subject. Everything should be crisp. Yet when you examine the file at full size, the fine detail…
What Is a Lens Sweet Spot in Photography
You may have heard photographers say that a lens becomes especially sharp at f/5.6, f/8, or another middle aperture. That range is often described as the lens sweet spot. The idea sounds simple: find the magic aperture, set your camera…
What Is Spherical Aberration in Photography
You focus carefully on your subject, use a fast shutter speed, and photograph from a steady position. Nothing appears to have gone wrong. Yet when you enlarge the photograph, fine details seem wrapped in a faint glow. Contrast is slightly…
What Is the Inverse Square Law in Photography
Move a light closer to your subject and the photograph can become dramatically brighter. Move that same light farther away, and the illumination can drop much faster than you expected. The inverse square law explains that change, and it’s one…
What Is Pixel Binning in Photography
You buy a phone with a 48-megapixel, 108-megapixel, or even 200-megapixel camera, take a photo, and find the finished image has far fewer megapixels than advertised. Where did all those pixels go? In many cases, nothing went wrong. The camera…
What Is Bit Depth in Photography? 8-Bit vs 16-Bit Explained
Bit depth is one of those photography terms that sounds far more complicated than it needs to be. You may see 8-bit, 10-bit, 12-bit, 14-bit, or 16-bit mentioned in a camera specification, RAW setting, Photoshop document, scanner menu, or export…
What Is EXIF Data in Photography
Every time you press the shutter button, your camera records more than a photograph. Hidden inside many digital image files is information describing how the photograph was created. Your camera model, lens, aperture, shutter speed, ISO, focal length, capture time,…
Why Are There Gaps in My Star Trail Photos
You spend an hour or two outside photographing the night sky, stack dozens or hundreds of frames, and expect beautifully continuous arcs around the sky. Instead, the finished star trails look broken. Tiny spaces may appear between every section. The…
Why Do Photos Taken Through a Window Look Hazy
A window can look clear to your eyes, but your camera may capture a photograph that looks pale, soft, washed out, or strangely low in contrast. The lens may be clean. Focus may appear correct. Your shutter speed may be…
Why Long-Exposure Photos Turn Purple or Magenta
You set up the tripod, carefully compose the scene, choose a long shutter speed, and wait for the exposure to finish. The photograph appears, but instead of the natural colors you expected, the shadows look purple, the sky turns magenta,…
What Does AE-L / AF-L Do on a Camera
You turn your camera around and notice a small button marked AE-L / AF-L. Unlike the shutter button, ISO control, or mode dial, its purpose is not immediately obvious. Yet this little control can solve a surprisingly common photography problem….
Why Are There Hot Pixels in My Photos
You finish photographing a beautiful night scene, open the image on a larger screen, and notice something strange. Tiny red, green, blue, or white dots are scattered through the darkest parts of the photograph. At first, they may look like…
Why Won’t My Flash Fire in Silent Mode
Your flash is switched on. The batteries are charged. The ready light is glowing. Perhaps pressing the test button even produces a perfectly normal burst of light. Then you take a photograph. Nothing happens. If your flash suddenly refuses to…
Why Do My Photos Change After Importing Into Lightroom
You take a photograph that looks rich, bright, and beautifully balanced on the back of your camera. Then you import it into Lightroom. For a moment, the image looks exactly as you remember it. A second later, the colors shift,…
Why Do My Photos Look Sharp on My Camera but Blurry on My Computer
You take a photograph, check it on the back of your camera, and everything looks beautifully sharp. The eyes seem crisp. Fine details appear clear. Focus looks exactly where you intended. Then you transfer the same photo to your computer….
Why Are My Indoor Photos Yellow or Orange
You photograph a person in your living room, a meal at a restaurant, or a still life on the kitchen table. Everything looks normal to your eyes, but the photograph comes back with yellow walls, orange skin, cream-colored whites, or…
Why Do RAW Photos Look Flat or Worse Than JPEGs
You take a photograph, check the back of your camera, and everything looks beautiful. The colors are rich, the image has contrast, details appear crisp, and the photograph seems almost ready to share. Later, you import the RAW file onto…
