Features:
Without glass, not focus to infinity.
Completely manual control, manual focus and manual exposure.
Macro shooting, the shooting distance depends on the lens, generally not more than 30cm.
Made of high quality aluminum alloy material, durable in use.
This adapter ring suits for Canon EOS EF Mount camera

Specifications:
Item Name: Lens mount adapter
Material: Aluminium alloy
Shape: Round
Camera for Canon EOS EF Mount
Lens for Canon FD lens
Outer Diameter: 6.5cm/2.56''
Inner Diameter: 5cm/1.97''

Package include:
1 x Lens mount adapter