noise

Article: FAQ: What is Noise in a Digital Photograph? .In-depth answer to a basic digital photography question

You’ve probably read or heard about unacceptable noise in digital photos. What does that mean and how does it occur?

Article: Handling Noise in the Digital Darkroom.How to reduce noise, carefully, in Photoshop, Lightroom, and beyond

Noise always increases with ISO and there is no magic bullet for it, but it is controllable with a little care.

Article: Product Review: Nik Dfine 2.0.Grain, grain, go away!

Low light, high-ISO photography has never been easier and image quality has never been better than it is today. But there’s still digital noise. Let’s take a look at Nik Dfine, a popular noise-reduction plug-in.

News: NASA: Nikons in Space! .D3s, lenses going to the final frontier

NASA has ordered 11 D3s cameras and seven Nikkor 14-24mm f/2.8G ED lenses for the Space Shuttle. Crews have been using Nikons in space since 1971.

Article: Know your camera’s limits.Match the tool to the picture-taking task

Do you know your digital camera’s strengths and weaknesses? They can vary so let’s look at a few critical areas to make sure you aren’t losing image quality because you aren’t compensating for your camera’s weaknesses.

Article: Close-up Mode.Your guide to digital camera scene modes

Three rules apply to all close-up photos—all are governed by the unbendable Natural Laws of Physics.

Article: Tell your noisy images to shut up.Software grain-reduction strategies

No single noise reduction program or Adobe Photoshop-compatible plug-in is a perfect solution and while you may try hard, you may never achieve digital noise nirvana. But here's the good news...

Article: "High resolution" compacts, low light don’t mix.Low light causes problems for photographers. Let's solve them.

So-called "high-resolution" compact cameras (8MP and up) and low light are a recipe for disaster, as illustrated in the photos below. (The technical explanation follows.)

Article: How to remove dust and scratches from scans.Flatbed scanning tip

If you have a stack of favorite old prints, you may want to scan them for your digital archive. Here are some common-sense tips that will help you scan with your flatbed scanner more efficiently.

Article: Get Rid of Digital Noise.Stop the visual static

Noise in digital photographs is the visual equivalent of static. Most digital cameras add some level of noise to images. In traditional photography the nearest equivalent is film grain. Digital noise is noticeable in high ISOs and is more visible in areas of uniform color, such as skies and shadows.