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 ...

BALZERS, Liechtenstein--(BUSINESS WIRE)--The current SARS-CoV-2 pandemic has made it abundantly clear how important it is to determine analytical laboratory values quickly and accurately. However, ...

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 ...

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 ...

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 ...

Variable neutral density filters are very useful for photographers that like manual control in bright light. Instead of paying hundreds of dollars for one, though, you can make your own from just a ...

The Benro NE1 Electronic Variable ND Filter Kit got rather a lot of attention when it was first unveiled last year, and it goes live on Indiegogo tomorrow for an early bird price of $228. We normally ...

Filters are used in many applications to remove unwanted frequency components from incoming signals, enhance incoming signals, or both. In portable and non-portable medical applications, for example, ...

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 ...