Panasonic Leica DG Macro-Elmarit 45mm f/2.8 ASPH. MEGA H-ES045
Amazon.com : PANASONIC LUMIX G LEICA DG MACRO-ELMAR LENS, 45MM, F2.8 ASPH., PROFESSIONAL MIRRORLESS MICRO FOUR THIRDS, MEGA OPTICAL I.S., H-ES045 (USA BLACK) : Compact System Camera Lenses : Electronics