The ring allows you to mount filters or conversion lenses with a 37mm filter diameter and a 49mm filter diameter
Knurling (non-slip) on the outside makes it easy to grip and turn
Precision threaded aluminum material
Male diameter (filter diameter on camera lens side): 37mm (P = 0.75)
Female diameter (filter diameter to be attached): 1.9 inches (49 mm) (P = 0.75)
Country of Origin: Japan
Description
In order to accommodate mirrorless cameras with small aperture lenses, we have expanded the lineup of step-up rings from previous models. The ring is required to install filters larger than the lens filter diameter. Knurling (non-slip) processing makes it easy to turn and operate. Made in Japan