Product Description Lens Name Laowa 50mm T2.9 Macro APO MFT Cine Focal Length 50mm T-Stop Range T2.9-22 Format Compatibility Micro Four Thirds Angle of View 24° Image Circle 21.6mm Lens Structure 14 elements in 10 groups (3 pcs of ED glass) Aperture Blades 7 Min. Focusing Distance 13.5cm  (5.31”) Max. Magnification 2x Filter Thread Φ49mm Dimensions ~Φ58 x 83mm (2.28 x 3.26”) Weight ~289g including front and back caps (10.19oz) Mounts MFT