Used Seacam 60mm macro port

There are several user marks on the port glass. Needs polishing. 3 months warranty

Flat port mounts and extension rings are made from technical
synthetics. In different lengths and adapted to the respective
lens, they are all fitted with a flat parallel glass.

The diameter of all flat ports is 105 mm – the total length always
given including the thread except for extensions. The optical
coating on the inside is available as option.

Port especially tailored to macro lenses from 50mm to 200mm telemacro