Carl Zeiss C Planar 80mm f2.8  type_Viewfinders This Nikon drop-in gel filter

This Nikon drop-in gel filter holder fits the Nikon 300mm f4 AF Nikkor lens and other lenses which use 39mm-sized drop-in filter holders

or pair it with the EF Extender 1

The Nikon MA-1 is an AC/DC converter designed for the Nikon F-36 motor drive

so it's about as contemporary as it gets

with approximately 300 actuations

Carl Zeiss C Planar 80mm f2.8 &nbsptype_Viewfinders This Nikon drop-in gel filterThis Carl Zeiss C Planar 80mm f2. 8 lens for Hasselblad V series cameras is in very good condition, with some finish wear, good shutter, smooth focusing, and minor internal dust. A classic standard lens for Hasselblad V series cameras.