Spiratone Auto TelXtender 2x for Exakta 35mm Camera

The Spiratone Auto TelXtender 2x was a teleconverter specifically designed for Exakta 35mm cameras, produced by Spiratone, a company known for manufacturing camera accessories in the mid to late 20th century.

Condition: Mint condition comes with original box and leather case. 

Here are some key features and details about the Spiratone Auto TelXtender 2x:

1. Teleconverter Functionality: The primary function of the Spiratone Auto TelXtender 2x was to extend the focal length of the attached lens by a factor of 2x. This effectively doubled the focal length of the lens, providing increased magnification and making it suitable for telephoto photography.

2. Compatibility: As indicated by its name, the Spiratone Auto TelXtender 2x was designed to be compatible with Exakta 35mm cameras. Exakta cameras were popular in the mid-20th century and were known for their robust build quality and interchangeable lens system.

3. Auto Functionality: The "Auto" designation in the product name suggests that this teleconverter may have had some automatic features, such as automatic aperture coupling, which would allow for automatic exposure control with compatible lenses.

4. Build Quality: Spiratone accessories were generally well-regarded for their build quality, and the Auto TelXtender 2x was likely no exception. It would have been constructed from durable materials to withstand regular use in various photographic conditions.

5. Optical Performance: Teleconverters like the Spiratone Auto TelXtender 2x typically provide increased focal length but may also introduce some optical compromises, such as reduced aperture and potential degradation in image quality. However, the extent of these compromises would depend on the specific design and construction of the teleconverter.