Feature●The Adapter come with a 37MM protection, if you dont need it, you can unscrew it.●To Fit Lens Front: 30 mm, 36 mm●Type: Lens Reversing Adapters●Mount: M30 to M37●Min Diameter: 1.5mm, Max Diameter: 26mmDescription
Mount: M30 to M37
Thread :1mm
Material: aluminum alloy metal ,reliable performance. Durable.
Min Diameter: 1.5mm
Max Diameter: 26mm