Genus prototype lens adapter with built in electronic neutral density (ND) filter

Genus-prototype-lens-adapter-with-built-in-electronic-neutral-density-ND-filter
Two new ND solutions were shown at the 2015 International Broadcast Conference (IBC) in Amsterdam - the first one is a Genus prototype lens adapter with built in electronic ND filter:

One of the most impressive things we saw at IBC this year was a prototype from Genus of an electronically-controlled ND filter. It’s been in development for two years and in the form we saw lets you adapt Canon EF lenses to Sony E-mount cameras. A dial on the adapter allows you to control the amount of ND filtration electronically – this system is similar to the one that Sony introduced on the new FS5 camera. The controllable ND means you’re able to fine tune your exposure by adding or subtracting ND – this allows you shoot everything at a preset aperture and adjust your exposure just by using the neutral density. Genus don’t have a release date for this technology yet but hope to be able to make it available at a price that appeals to users of cameras like the A7 series.

Tiffen has a new 138mm matte box mountable variable neutral density filter:

Via NewsShooter

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