Feisol CB-50DC m42 the B60 side provides both

the B60 side provides both inner and outer B60 bayonets for maximum flexibility

The Nikon D810 is a professional full-frame DSLR with a 36mp sensor

but excellent functionality and clean glass

and diaphragm is snappy

and soft case

Feisol CB-50DC m42 the B60 side provides bothThe Feisol CB 50DC is a large ball head with sturdy metal construction, a real carbon fibre weave outer layer, and a distinctive hollow, perforated ball head to keep the weight down (it's just over 600g with the included Arca style QR plate). Standard 3 8" thread in the base for tripod attachment; the plate has a 1 4" thread that will fit nearly any camera. In excellent condition, with only very minor cosmetic wear. Supports up to 18kg (~40lbs).