49mm 50mm 54mm 57mm 58mm 104mm to M65X1 Lens Adapter W/ Projection Circle                       

Product Feature:

49mm 50mm 52.5mm 54mm 57mm 58mm 62.5mm inner diameter

male thread M65x1 male thread

Full length - 10 mm

Weight - 35 g

The adapter is secured by 3 set screw (installed) with an allen key (included).

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104 mm inner diameter (pls note:the 104mm size dose not have Projection Circle !see picture)

Male thread M65x1 male thread

Full length - 30mm (not including the thread)

Weight - 160 g

Made of aluminum, anodized black

Reliable performance.Durable.