Manufacturer Fotodiox Inc. GFX 50S, GFX 50R, GFX 100. Lens Mount: Hasselblad V-Mount SLR Lens. • Built-in focusing helicoid provides macro focus for any lens as well as correction for back focus. • 'Focus-By-Wire' lenses (such as Canon's STM or Nikons AF-P) requires power to engage the manual focus rings on the lens, since manual lens mount adapters do not power the lens, those lenses will not be able to focus.
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