Compact cameras are becoming pretty serious photography tools when it comes to sensor sizes and lens qualities, but one thing they generally lack is an easy-to-use filter system. Interchangeable-lens photographers can usually just find a filter of the correct diameter and use it with their lens, but things get more complicated when you’re dealing with fixed-lens cameras. Although using filters is possible with some models, the systems aren’t very friendly: they’re usually proprietary, expensive, or based on unwieldy adapters.

That all changes with the new MagFilter by CarrySpeed, an easy-to-use filter system for compact cameras based on magnets rather than threads.
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Photographer Kim Pimmel created this amazing abstract time-lapse using a Nikon D90 and Nikkor 60mm macro lens. What you see is ferrofluid traveling between soap bubbles toward a magnet. No video was used — every frame of the video was shot as a still photo.

(via kottke.org)