Fringer EF-FX Pro II - Built-in electronic aperture ring (like XF lenses) - Both bayonets are made of brass The 2nd generation! - Redesigned aperture ring for more convenient operation - New MCU (more powerful, more resources for firmware update) - Better light absorbing design Electronic aperture ring: (FOR PRO VERSION ONLY) Just like XF lenses, each small step is 1/3 stop and the final position after the smallest aperture is 'Auto'. Fast PDAF: ( DEMO OF X-T2 AND SIGMA 85/1.4 ART) AF-S (central AF point), AF-S (side AF point) and AF-C Note: AF performance varies under different light conditions and for different lens models All phase detection focus points are supported* FAST AND ACCURATE PDAF! *Only on cameras with X-Trans II & III CMOS. *Only for lenses optimized. See the list belo.
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