Alien Skin Exposure 4 adds new cyanotype styling options.

By now, the idea of applying filters to give photos a retro look is well established. But for the more serious out there who want to go beyond the obvious smartphone apps, Alien Skin plans to release Exposure 4 tomorrow.

The Exposure software brings a certain precision to its task, carefully emulating the look of actual film--early Kodachrome, say, or Kokak Tri-X 400 pushed a stop--for those who remember. It's not a coincidence that the software has the tagline "Taking the digital out of digital photography."

One color-toning option for Alien Skin Exposure 4.

Version 4 of the $249 software brings new abilities in reproducing defects such as light leaks or dust and scratches that film-era photographers usually strove so hard to avoid. And it's got hundreds of new presets for styles such cyanotypes and wet-plate photography.

Digging through the settings is like touring decades of photo history--you get far more than the usual collection of washed-out Polaroid, oversaturated Fujifilm Velvia, and antiquey sepia tones. If you want to hearken back to an earlier time, Exposure 4 is a good way to do so.

Of course, all the settings are adjustable, and Exposure 4 has a better interface for manag... [Read more]