M52 front port (adjustable within the range of 25~55mm) camera macro ring, focus ring, and adapter ring. The inner wall of the focusing tube is treated with matting.

1 Material: The ring body is mainly composed of aluminum alloy and wear-resistant copper inner core, which is durable

2 Workmanship: exquisite workmanship, close and smooth combination, just like the original lens

3 Function: Full manual operation, focusing, manual exposure can be achieved with the body, aperture priority exposure

When we want to attach some classic old man (old copper head, leather cavity head, base head, even movie lens, etc.) to modern popular fuselage, the grafting of the focusing ring becomes an essential step. This ring can achieve a multiplier effect with half the effort.

It can be used as a lens without a focusing system after changing the lens, or it can be added as a macro focusing adapter.

The front and rear barrels of the focusing tube are made of pure aluminum, and the intermediate focusing track is made of pure copper. The multi-threaded thread is finely machined, and the thread meshing is more tight. The outer ring of the adjusting ring is made of aluminum alloy, all blackened and matted.