Manfrotto 056 brand_Linhof The Nikon HN-13 is a

The Nikon HN-13 is a round metal hood for the Nikon 72mm polarizer (it won’t fit standard 72mm threading)

and weighs less than Canon's 100-400mm lens- plus it's almost a stop faster at 300mm

Carl Zeiss T* Circular Polarizer for 72mm filter threads

This SF-1N is in excellent condition

with original hood and box

Manfrotto 056 brand_Linhof The Nikon HN-13 is aThe Manfrotto 056 is a simple three way tripod head for still cameras. Three low profile knobs, thumbscrew (with standard 1 4" thread) for camera mounting. With the exception of the knobs, it's all metal. Base rotation is a touch irregular, but definitely workable. In good cosmetic condition.