Vizelex Cine ND Throttle Lens Mount Adapter - Arri PL (Positive Lock) Mount Lens to Sony Alpha E-Mount Mirrorless Camera Body with Built-In Variable ND Filter (2 to 8 Stops) Lens Mount_Bronica SQ Mount a spring cushioned center column

a spring cushioned center column that adds safety to the light fixture and a wide spread leg base which adds more stability

then lash them in with the included zip ties

75mm female side screws onto your wide field telescope and the camera bayonet side mounts securely to your mirrorless camera as if it was a native lens

M4/3) mount mirrorless cameras

9 x 24 in (152 x 152 x 61 cm)

Vizelex Cine ND Throttle Lens Mount Adapter - Arri PL (Positive Lock) Mount Lens to Sony Alpha E-Mount Mirrorless Camera Body with Built-In Variable ND Filter (2 to 8 Stops) Lens Mount_Bronica SQ Mount a spring cushioned center columnDescription Specs Compatibility Notes Bring new life to vintage work horse lenses: Mounts Arri PL (Positive Lock) Mount Lenses to Sony Alpha E Mount Mirrorless Cameras Built in Variable Density Filter: ND4 ND256 (2 8 stops); Integrated aperture control dial for adjusting the lens aperture Precision all metal construction with chrome plated brass mounts for secure and solid fit; infinity focus or beyond allowed Enhanced craftsmanship and high tolerance