This is the Nikon Ai-s 1.4x Teleconverter, TC-14A. Both the exterior and optical system are in reasonably good condition. There is no mold. - There are minor scratches on the rear element. Operation has been confirmed. Accessories: Front and rear caps Immediate purchase is OK, price negotiation is not possible. Features An attachment lens that is attached between an AI-type lens and a camera to magnify the focal length of the main lens by 1.4 times. Primarily for lenses with a focal length of 200mm or less. The coating is effectively applied to minimize ghosting and flare, resulting in good image quality with balanced color tones. Specifications when combined with a main lens: - Focal length: 1.4 times the main lens's focal length - Brightness: 1 stop darker than the main lens's brightness - Aperture linkage range: F1.8-F32 (Effective F-number: F2.5-F45) - Magnification: 1.4 times the main lens's magnification - Depth of field: 0.7 times the main lens's depth of field - Minimum focusing distance: Same as the main lens ■ Autofocus shooting is not possible even when used with AF lenses. It will be manual focus shooting.