Rocketfish Carbon Fibre Tripod  type_Batteries this viewfinder also works well

this viewfinder also works well as a viewfinder for 35mm-ish lenses on any camera

B+W 010 UV-Haze F-Pro filter for 58mm filter threads

with an electronic diaphragm for full compatibility

interior dimensions are approximately 10x18cm

But if you have an original Pentax 6x7 and you want a metered prism

Rocketfish Carbon Fibre Tripod &nbsptype_Batteries this viewfinder also works wellWhat is a rocketfish? What does it have to do with tripods? There are no good answers to these questions. This tripod is made out of carbon fibre and metal, which are things used in some rockets (but not fish) and will support the weight of a camera (also rocket yes, fish no). However, this is not a rocket, and we've already established that it's not a fish. Brand appears to be a lie. But it's a tripod, so if you want a tripod, forget the name and get