B003TZ1IA4 Sony DCR-HC36 0.21x High Grade Fish-Eye Lens (180? Diagonal Angle of View) + Stepping Ring (25mm-37mm) + Nwv Direct Micro Fiber Cleaning Cloth

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0.21x (Fisheye) High Definition Digital Lens
Multi-Coated Optical Glass
Metal Casing
Optical Infrared Glass
Ultra Compact. Dimensions: 0.9″ (2.3cm), Weight 0.5 lbs (0.226 kg)