Godox Mini Pioneer 250DI 2-light kit lever this ring complements the BR-2

this ring complements the BR-2 reversing ring (not included) by mounting to the end of a reversed lens and providing a standard 52mm thread for filter or accessory mounting

so compatibility with modern cameras will vary

The included Nikon 50mm f1

6 IS USM is a standard zoom lens for film or digital EF-mount cameras

but when it comes to digital pictures

Godox Mini Pioneer 250DI 2-light kit lever this ring complements the BR-2This kit includes two Godox Mini Pioneer 250DI flash heads and two softboxes, plus power cords and a PC sync cord. This is a compact system well suited to a small studio and its small enough to take with you on location (as long as you have power, because these run on AC). In excellent condition.