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Firmware upgrade for OM-D E-M1 Mark II, OM-D E-M5 Mark II and PEN-F provides TTL and HSS compatibility with Profoto AirTTL flashes: 2017: News: Olympus
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Olympus OM-D E-M1 Mark II, OM-D E-M5 Mark II & PEN-F gets Greater Performance with New Firmware - Digital Photography Live
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New firmware updates for the Olympus E-M1 Mark II and Pen-F cameras coming on February 28th - Photo Rumors
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Olympus offers major firmware update for OM-D E-M1 II, E-M5 II and Pen-F: Digital Photography Review
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New firmware updates for the Olympus E-M1 Mark II and Pen-F cameras coming on February 28th - Photo Rumors
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