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Viltrox's new $199 EF- to E-mount 'smart adapter' has built-in OLED display, full AF/EXIF support and more: Digital Photography Review
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Viltrox EF-E5 Sony E Lens Adapter Auto Focus Full Frame 0.71x Speed Booster for Canon EF Lens to A1 A7C A7R IV A7iii A6400 A6600 - AliExpress
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