Back in the days of analog photography, filters were a photographer’s best friend. Today, with digital photography, many of the effects filters had on film can be replicated during post-processing, ...

Since the 1800s, photo filters have been used to apply different effects to photographs. Nowadays, many of these filters are no longer relevant, due to the increasing capabilities of editing programs ...

Q–How can I use a polarizing filter to deepen the blue of the sky in my photographs? A–To get the maxinmum effect in this use, it is necessary to have a certain relationship between the position of ...

Do you own a polarizing filter? If so, I bet you use it almost exclusively outdoors. Polarizers juice up landscapes with richer greens, make blue skies even bluer, eliminate color-muting reflections ...

When you’re looking to buy a filter to stick on the front of your camera lens, there are a couple qualities you want to look for. The hardness and anti-reflective properties of the coatings, as well ...

One of last year’s Hackaday Prize finalists was the DOLPi, [Dave Prutchi]’s polarimetric camera which used an LCD sheet from a welder’s mask placed in front of a Raspberry Pi camera. Multiple images ...