Panasonic Leica DG Macro-Elmarit 45mm f/2.8 ASPH. MEGA O.I.S. Mirrorless Camera Prime Lens 45mm f2.8 (H-ES045) + AOM Pro Bundle - International Version (1 Year AOM Warranty)
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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
The Panasonic Leica 45 Macro F2.8 lens for Micro 4/3 review | Steve Huff Hi-Fi and Photo