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 ...

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 ...

Set up, test and tweak this filter in PartSim to see it’s behavior before building it. The state-variable realization offers the most precise implementation at the expense of many more circuit ...

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 ...

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 ...