Up for sale is a classic Soviet 2x teleconverter, model TK-2M. It is designed to double the focal length of any vintage M42 screw mount lens (such as Helios-44M, Jupiter-21M, Pentax, Praktica, etc.).
This specific "M" version features an integrated aperture pusher mechanism, supporting lenses with automatic ("blinking") diaphragms.
Specifications:
- Mount: M42x1 screw mount
- Magnification: 2.0x
- Material: Aluminum barrel
- Made in USSR
Condition
Excellent vintage working condition. The glass is clear with no fungus, heavy scratches, or fog.
📦 PACKAGING AND SHIPPING:
The item will be carefully and securely packaged to help ensure safe international delivery.
Handling time may vary depending on the item and shipping conditions. The order will be dispatched as soon as possible after payment.
Tracking information will be provided when available.
💬 Questions? Feel free to contact me — I will be happy to help!