Sony E/FE/NEX to 49mm reversed lens adapter

thingiverse

This is a versatile adapter for Sony E and EF mounts, featuring a 49mm thread on its opposite end. It enables users to repurpose budget-friendly or vintage lenses in the 24-35mm range as high-quality macro lenses. I successfully paired an old Pentacon 30/3.5 lens with this adapter, and future projects may involve creating similar adapters with increased diameter capabilities. The design was created with a focus on efficient printing, utilizing supports that only touch the baseplate. Printing began at the bottom of the adapter, with its 49mm side facing downwards.