Stories by Dave Johnson

Tutorial: Combine photos for infinite depth of field

One day you'll be able to change almost any aspect of a photo after it's taken. A technique called computational photography, for example, promises to let you change the focus and the depth of field on your PC, so you can make someone in the backgrou...

Four tips for making your camera's batteries last

Like a desert mirage, revolutionary new battery technologies always seem to be just beyond the horizon. New materials, nanotubes, and fuel cells all offer the promise of dramatically longer runtime and shorter (or nonexistent) recharges.

Memory card questions answered

I've previously suggested you should format your memory card using your digital camera's format command rather than simply deleting the photos. In fact, some photo pros format their card each and every time they are done taking a batch of photos. (I ...

ASCII Art: Turn your photos into text pictures

A very long time ago--back before there were high-resolution color monitors and digital cameras--computer geeks amused themselves by arranging text on the computer screen into rudimentary, two-color pictures known as ASCII art.

5 common photo problems, avoided or solved

Photos are like snowflakes: No two are exactly alike. Nonetheless, we all encounter the same problems with our digital photos, over and over again: red-eye, digital noise, bad exposure, blurry images, and distracting elements.

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Matthew Stivala

HP OfficeJet 250 Mobile Printer

The HP OfficeJet 250 Mobile Printer is a great device that fits perfectly into my fast paced and mobile lifestyle. My first impression of the printer itself was how incredibly compact and sleek the device was.

Armand Abogado

HP OfficeJet 250 Mobile Printer

Wireless printing from my iPhone was also a handy feature, the whole experience was quick and seamless with no setup requirements - accessed through the default iOS printing menu options.

Azadeh Williams

HP OfficeJet Pro 8730

A smarter way to print for busy small business owners, combining speedy printing with scanning and copying, making it easier to produce high quality documents and images at a touch of a button.

Andrew Grant

HP OfficeJet Pro 8730

I've had a multifunction printer in the office going on 10 years now. It was a neat bit of kit back in the day -- print, copy, scan, fax -- when printing over WiFi felt a bit like magic. It’s seen better days though and an upgrade’s well overdue. This HP OfficeJet Pro 8730 looks like it ticks all the same boxes: print, copy, scan, and fax. (Really? Does anyone fax anything any more? I guess it's good to know the facility’s there, just in case.) Printing over WiFi is more-or- less standard these days.

Ed Dawson

HP OfficeJet Pro 8730

As a freelance writer who is always on the go, I like my technology to be both efficient and effective so I can do my job well. The HP OfficeJet Pro 8730 Inkjet Printer ticks all the boxes in terms of form factor, performance and user interface.

Michael Hargreaves

Windows 10 for Business / Dell XPS 13

I’d happily recommend this touchscreen laptop and Windows 10 as a great way to get serious work done at a desk or on the road.

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