The best close-up filters are a cheap and simple alternative to macro lenses. Here are the best examples at the best prices Close-up filters are the ideal way to experiment with close-up and macro ...

Manta rays are elegantly shaped. They swim by flapping their fins like enormous wings, and their gills filter for plankton with the utmost precision. These creatures have now inspired human ...

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Whether you have an in- or above-ground pool, a reliable and properly maintained filter is essential in keeping its water crystal-clear. Because, after all, no one wants to swim in a dirty pool.