Today Aurora Aperture introduced a new filter system called the Aurora Aperture Adapter Mount Format (AMF) filter for mirrorless mount adapters such as the Canon Mount Adapter EF-EOS R, the Nikon FTZ, the Sigma MC-11 for Sony E-mount, and the Sigma MC-21 for L-mount: Additional information can be found at aurora-aperture.com. Aurora Aperture products are … Continue reading Coming soon: Aurora Aperture AMF (Adapter Mount Format) filters for Nikon FTZ Adapter