M52x0.75 male to M39x0.75 female thread adapter, flangeless

• Front side - M39x0.75 female thread
• Rear side - M52x0.75 male thread
• Thickness - 3mm
• Machined from high quality aluminium alloyWhy aluminium?.

This adapter allows using attachments and filters with M39x0.75 thread on lenses with standard 52mm filter thread.

Flangeless design minimizes added optical path and reduces the risk of vignetting.