Neoca 4.5-5cm Viewfinder tiffen The NIkon PB-6 is a

The NIkon PB-6 is a sturdy late-model bellows with autodiaphragm operation and a built-in stage focusing system

or diaphragm

This is a big backpack (interior dimensions are approximately 14x38x42cm) with unusually large exterior pockets on the top and sides

Also included: a new clock battery and an SD card

Neoca 4.5-5cm Viewfinder tiffen The NIkon PB-6 is aThis small auxiliary viewfinder mounts to a standard accessory shoe and provides a viewfinder with framelines suitable for lenses from 4. 5 5cm (or 45 50mm, in more contemporary terms.) It even has a parallax correction adjustment for shooting distances down to 1. 7 feet. In excellent condition, with case.