Many photographers know how to calibrate their displays so colors are reasonably accurate on-screen. Then, when we order prints from a place like BayPhoto or WHCC, they pretty much look like we expect. But recently I bought a printer so I could do some of my own, and this led me to “printer profiles”, which I then had to figure out.
Continue reading “ICC printer profiles: how does that work, exactly?”Protect your photos with an AIR GAP
Your hard drive crashes – you turn to that expensive NAS you so wisely installed as a backup – and find it’s empty, wiped out by a malicious hacker. It’s happened. But it can’t, if your storage has an air gap around it.

Windows 10 Ransomware protection
I got hit by ransomware once, maybe 10 years ago. All the files on my hard drive – except for the Windows installation – disappeared, and a popup asked for a VISA number. It’s about the most aggravating thing you can think of.
Continue reading “Windows 10 Ransomware protection”Color Spaces and POD sites: a gamut of confusion
I have photos on a couple of “Print On Demand” sites. Every so often, one of those forums lights up with a thread about Adobe RGB versus sRGB. Which one should I use? Don’t photos look better in Adobe color space? Why don’t my images look the same on this site as they do on my computer?
Hooooo boy. The real answers to these questions are… complicated.

DPI: a concept you should forget.
The question of “what DPI do my photos need to have?” comes up often in forums about online photo sales. It can set off a firestorm, with some replies containing total misinformation. Arguments can ensue.
