Fotodiox Pro Lens Mount Double Adapter, Kiev 88 SLR and Canon EOS (EF / EF-S) D/SLR Lenses to Fujifilm G-Mount GFX Mirrorless Digital Camera Systems (such as GFX 50S and more) Adapter Type_Auto Macro Tube please check the Fotodiox Knowledge

please check the Fotodiox Knowledge Base article

Mounts Bronica ETR Mount SLR Lenses to Sony E-mount mirrorless cameras

as an example

The problem is that most of them are for short runs

It also fixes the common "Jello Effect" or wobble Commonly associated with RC Planes/quadcopters

Fotodiox Pro Lens Mount Double Adapter, Kiev 88 SLR and Canon EOS (EF / EF-S) D/SLR Lenses to Fujifilm G-Mount GFX Mirrorless Digital Camera Systems (such as GFX 50S and more) Adapter Type_Auto Macro Tube please check the Fotodiox KnowledgeFeatures: Double adapter mounts Kiev 88 SLR & Canon EOS (EF EF S) D SLR Lenses to Fujifilm G Mount GFX Mirrorless Digital Cameras Enhanced craftsmanship and high tolerance construction for demanding professionals; infinity focus or beyond guaranteed Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required Precision all metal construction with chrome plated brass mounts for secure and solid