Freewell’s Brandon Li VND/CPL kit is fast, flexible, and optically strong, but the price and extra adapter costs take some ...

Without having other variable ND filters for comparison, we can’t make definitive comments on whether the Syrp filter is superior. But we can say that it provides a compact and versatile addition to a ...

Moment, a company that’s well-known for its smartphone and drone accessories, has announced a first: a lineup of filters for full-blown mirrorless and DSLR camera lenses. “We’ve shot with a lot of ...

Analog variable frequency filters require the use of variable passive components. The higher the slope of the filter, the greater the number of needed variable passive components. These elements are ...

Shooting with a ND filter on your lens is like giving your camera a pair of sunglasses—it cuts light without changing the color balance so you can shoot longer exposures with wider apertures in bright ...

New Hoya Variable Density filter in sizes from 52 mm to 82 mm. Each filter uses two polarising layers to control the amount of light that passes through the filter and into the camera lens. They can ...

BMG LABTECH, announces that the company has received grant for the U.S. Patent 9,733,124, entitled “Microplate Reader with Linear Variable Filter”. The patent’s claims cover a revolutionary new type ...

Across a range of applications, the two most common functions implemented in FPGA-based high-performance signal processing are finite impulse response (FIR) filters and fast Fourier transforms (FFTs).