It’s a Hasselblad Focussing Screen Adapter / Ground Glass Adapter For SWC Camera. They don’t have a viewfinder like on the 500 series....
I Will stay with Fuji for weight and mirrorless, Hasselblad (analog and digital) for medium format and Nikon (analog) for full frame... Not only...
The CFV-50c sensor is protected with a glass window, making it easy to clean. I suppose this is the case with all digital backs of Hasselblad.
I'm glad for you ;-)
Where did you find the filter?
The metal lens hood consists of two parts.
Unscrew them and place a filter between the two parts and tighten again.
The type of filter of 93mm has...
I'm New at this forum but I hope to find and give as much information as possilble....