Variable neutral density (ND) filters are handy tools for photographers, in that their opacity can be adjusted simply by ...

In addition to UV protection filters, other types include UV neutral density filters, UV rejection filters, UV bandpass filters, UV interference filters, UV cold mirrors, hot mirrors, and UV Dichroic ...

Rod Lawton and the AP team recommend the best camera filters for photographers to buy, for effects that can't be replicated ...

It is also worth noting that the X30 cannot accept screw-on physical filters without an additional accessory ring. It would be nice if there were some form of a graduated neutral density filter ...

Important specialty or effects to consider when searching for camera filters include graduated, center spot, diffusion filter, star filter, and prism. A graduated filter has variation or graduations ...

All its filters offer excellent durability and longevity and are routinely used across numerous applications and industries. These filters include long, short, and multi-bandpass filters, neutral ...

Our roundup of the best photographic accessories you can buy, including bags, filters tripods, and lights, with something for ...

Students will be able to explain that the density of a liquid has to do with how heavy it ... Note: Corn syrup and vegetable oil can be difficult to clean out of graduated cylinders. To avoid this ...

I tested the Helix range with the variable neutral density filter, the circular polarizer and the mist filter, all of which performed extremely well. While not the cheapest magnetic filters on the ...

Not only will a good filter remove impurities, it'll also improve the taste and clarity of water. And compared with buying bottled water, using a water filter pitcher is substantially more ...

Students will be able to explain that the density of a substance has to do with how heavy it is compared to the size of the object. Students will also be able to explain that density is a ...