SM2 male to M47x0.75 female thread adapter for Schneider Xenar 4.5/210mm lens

• Front side - M47x0.75 female thread
• Rear thread - SM2 male thread (2.035″ - 40 tpi, used by ThorLabs)
• Weight - 8 g

This adapter is purposed to use Schneider Xenar 4.5/210mm lens as a tube lens for infinity microscope optics.

Made of anodized aluminium.