Lens parameters:
Interface: 37mm
Front end diameter: 49mm
Optical structure: 2 groups and 2 pieces
Lens size: 25mm * 50mm
Lens material: aluminum alloy + optical glass
Lens accessories:
0.45X 49mm UV wide angle + macro lens: 1
Front lens protection cover: 1
Protective cover of interface lens: 1
Leather lens storage bag: 1
