39mm to M55x0.75 adapter (for Kowa 16-A lenses)

• Front side - smooth, diameter 39 mm
• Rear side - M55x0.75 male thread
• Full length - 16 mm
• Weight - 42 g

This adapter allows using projection lenses that have 39 mm barrel diameter (like Kowa Prominar 16-A, for example) on lenses with M55x0.75 filter thread.

The adapter is secured by 3 screw (installed).

The screws are long enough to keep lenses with smaller diameters - down to about 30 mm.

Made of anodized aluminium.