Key features

• Connects the lens filter thread to the Cokin S-size filter holder.
• One holder can be shared between several lenses by changing only the adapter ring.
• The S/A system uses 67 × 67mm square filters and 67 × 72mm rectangular filters.

Use and compatibility

The ring screws directly into the lens’s 39mm filter thread and the Cokin BA400 holder then slides onto it. The holder accepts up to three S/A-size filters.

Technical data

• System: Cokin S / A Series
• Model: A439D
• Lens filter thread: 39 mm
• Thread pitch: 0.5 mm
• Compatible holder: Cokin BA400
• Filter format: 67 × 67 mm / 67 × 72 mm

Package includes:

• Cokin A A439D 39mm Adapter Ring — S Size
• original packaging