Popular in black and white film photography, coloured filters are still used in the digital world. In black and white photography certain colours can look very similar when converted to greyscale.

Colored filters enhance lunar details by improving contrast and reducing glare. Different colored filters highlight various features; yellow and blue filters are particularly useful. Neutral-density ...

It is claimed that the use of coloured filters and lenses can alleviate visual distortions for people with dyslexia. These overlays are simple translucent pieces of plastic which add colour to text.

image: Volunteers aged 9-10 with dyslexia took less time to read passages from children's books, possibly thanks to an attenuated excitability of the cerebral cortex. view more Reading, one of the ...

Digital technology has whittled down the number of filters photographers pack in their bags, thanks to the ease of replicating colored filters in any photo editor. But a handful of filters still pack ...

LIGHT filters of coloured glass and gelatin are in common use for visual and photoelectric photometers. They are satisfactory, on the whole; but the glass filters are easily broken, and those of ...

A camera lens filter is pretty much what you’d expect: it’s a physical piece of glass that attaches to your camera’s lens, filters the light before it reaches the sensor and, typically, has an effect ...

Here are five household items you can use as do-it-yourself lens filters to add a different look and feel to photos. Lexy was a producer and on-air presenter who covered consumer tech, including the ...

Filters transmit some colours of light and absorb other colours of light. Colours which are transmitted pass through the filter and come out the other side. Colours which are absorbed do not pass ...