Carl Zeiss Planar 80mm f2 T* for Contax 645 brand_Hasselblad The Minolta 8x Spherical ND

The Minolta 8x Spherical ND Diffuser extends the EV range on a Minolta Auto Meter or Flash Meter II/III by 3 stops- helpful if you're metering in conditions that are too bright for the stock dome

and it runs on a pair of AA batteries

5kg all on its own

but it's pretty nice: it's a clean 10x achromat with excellent sharpness

Carl Zeiss Planar 80mm f2 T* for Contax 645 brand_Hasselblad The Minolta 8x Spherical NDThe Carl Zeiss Planar 80mm f2 T* is a standard lens for the Contax 645 medium format camera. This lens is in excellent cosmetic condition, with only very minor cosmetic wear, light internal dust, good function. A fast, sharp standard lens with classic Zeiss image quality. Includes front and rear caps.