Hanimex Auto 2X Converter M42 mount + Case Teleconverter JCII 42 Japan Screw Fit

The Hanimex Auto 2X Converter with M42 mount is a high-quality teleconverter designed for SLR cameras. Made in Japan, this converter has a maximum aperture range of f/2.8-32.0 and a focal length multiplier of 2.0x, allowing you to double the focal length of your lens. Compatible with M42 cameras, this zoom converter is perfect for photographers looking to extend the reach of their lenses. The package includes a case for convenient storage and protection when not in use.