Designed for still lenses , this donut ring screws onto the inner 77mm thread of the lens to step up the diameter to 114mm to be used with a matte box.
• Converts the outer diameter interface of your lens to 114mm
• Minimum overhang to allow for maximum field of view
• Compatible with our Black Hole donut and any donut or back plate with a 114mm inner diameter
• Built from anodized aluminium for maximum durability
• Dimensions (mm) 114 X 15
• Weight (grams) – 57