Konica Hexanon Teleconverter AR 2X Lens and Leather Case

Konica Hexanon Teleconverter AR 2X Lens and Leather Case: this teleconverter is an accessory used with Konica AR-mount SLR camers and lenses to extend the focal length.  KEY FEATURES: - FUNCTION: It is inserted between the camera body and the lends, doubling the focal length of the attached lens. For example, a 50mm lens becomes a 100mm lens when used with this converter.  - SYSTEM COMPATIBILITY: It is designed specifically for the Konica AR bayonet mount, which allowed for automatic exposure functions.  - LIGHT LOSS: Using the teleconverter results in a loss of two full aperture stops of light.  - QUALITY: It is considered a high-quality teleconverter for the Konica SLR system, minimizing the loss of image quality.  - USAGE: it maintains full integration between the lens and camera, including aperture information transfer.  - ACCESSORIES INCLUDED: Lens caps and protective case as seen in the photos.