Please note this is a refurbished product from Nikon and is covered by a 6-month manufacturer’s warranty. Increase the reach of compatible AF-S NIKKOR lenses like the AF-S NIKKOR 400mm f2.8E FL ED VR or the AF-S NIKKOR 70-200mm f2.8G ED VR without sacrificing image quality, autofocus accuracy, metering or even VR image stabilization. Optimized for sports, action, wildlife and press photographers, the AF-S Teleconverter TC-14E III achieves superb 1.4x enlargement with only a 1-stop loss of light. Fluorine coatings protect the front and rear surfaces, and a durable lens barrel with water-drop resistance ensures the AF-S Teleconverter TC-14E III can hold up to professional use. Maximize the performance and reach of your NIKKOR lens.