M42x1 extender (15mm) with additional female M52x0.75 accessories thread

• Front side – M42x1 female thread + M52x0.75 female thread
• Rear side – M42x1 male thread + M38x0.5 female thread
• Added length – 15 mm
• Weight – 20 g

This adapter allows using M42x1 objectives for macro purposes, and keep an accessory like a circular light behind them, so you can get closer to your small scene object.

Rear side of the adapter has female M38x0.5 thread that allows using some tube lenses from Thorlabs.

Made of anodized aluminium.