Professional 0.43x High Definition Wide Angle Lens w/ Macro Attachment for High Speed Digital SLR Cameras & Camcorders. Includes Step Up Ring (55mm) Please verify your cameras lens thread size before ordering. Your cameras lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. For example: 58 = 58mm lens thread size. Easy & Quick Attachment for your Lens Double your viewing angle by attaching this unit on the front of your lens. Multicoated for High Resolution Shots, Quick action, High Speed Auto Focus Great for landscape photography or recording in situations where a little creative curvature of field like skatboarding videos