Vizelex ND Throttle Lens Mount Adapter - Compatible with Pentax 645 (P645) Mount SLR Lenses to Hasselblad X-System (XCD) Mount Mirrorless Camera with Built-In Variable ND Filter (2 to 8 Stops) snx please see the firmware update

please see the firmware update article for this adapter in the Fotodiox technical support knowledge base

The bottom of the handle will also fit most standard light stands for when you don't have a assistant handy

The Polar Throttle opens up new creative possibilities

Easy to find and use shutter release

• Olympus Zuiko (OM) 35mm SLR Lens Mount Adapter (OM35-LM)

Vizelex ND Throttle Lens Mount Adapter - Compatible with Pentax 645 (P645) Mount SLR Lenses to Hasselblad X-System (XCD) Mount Mirrorless Camera with Built-In Variable ND Filter (2 to 8 Stops) snx please see the firmware updateDescription Specs Compatibility Notes Product Highlights: Mounts a Vast Range of Vintage Workhorse Lenses to Hasselblad X System (XCD) Mount Cameras Built in Variable Neutral Density Filter ND4 256 (2 8 stops) for easy and convenient image control over any lens that you attach Enhanced craftsmanship and high tolerance construction for demanding professionals; infinity focus or beyond guaranteed Precise fit, solid all metal connection with chrome