K&F Concept 100x100mm (4x4”) Natural Night lens mount_Nikonos If this Calypso looks familiar

If this Calypso looks familiar

This is a chrome Type III Hasselblad A12-6x6 back in near-new condition

In regards to condition: Excellent - like new

and it runs off a pair of AA batteries (included)

K&F Concept 100x100mm (4x4”) Natural Night lens mount_Nikonos If this Calypso looks familiarThe K&F Concept Natural Night filter is deisgned to filter out light pollution in night shots and it works! Neutralizes colours and increases contrast by filtering out the most dulling wavelengths of light emitted by streetlamps and other low CRI infrastructure lighting. This is a 100x100mm (4x4) filter designed to fit compatible filter holders and matteboxes (not included). In excellent condition.