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Nikon AF-S Teleconverter TC-14E III

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Nikon AF-S Teleconverter TC-14E III - Main image
$187.49 $249.99 In stock

Category: Lens Adapters & Accessories

Nikon AF-S Teleconverter TC-14E III
Premium 1.4x F-Mount Teleconverter – Fully Functional / Missing Front Cap
The Nikon AF-S Teleconverter TC-14E III is an elite, high-performance 1.4x optical teleconverter engineered specifically to extend the reach of select full-frame (FX) and crop-sensor (DX) Nikon F-mount AF-S NIKKOR lenses. By magnifying the focal length of your primary lens by 40%, this compact modifier instantly transforms telephoto and zoom lenses into longer-reaching configurations with only a minimal, single-stop loss in exposure light.

Designed with an advanced optical layout that preserves the signature sharpness and contrast of professional NIKKOR glass, the TC-14E III retains full electronic integration—ensuring flawless high-speed autofocus performance, accurate exposure metering, and optical Vibration Reduction (VR) image stabilization.

Please note: This teleconverter is fully functional and the rear glass is protected, but it is missing the front body cap.

Key Features & Optical Integration
40% Focal Length Extension: Adds a powerful 1.4x magnification factor to your existing lens arsenal, turning a 300mm lens into a 420mm equivalent setup with only a 1-stop drop in maximum aperture brightness.

Uncompromised Electronic Data Pass-Through: Engineered to maintain direct, lightning-fast communication between your camera body and attached AF-S lens, preserving full autofocus tracking, matrix metering, and VR stabilization.

Pro-Grade Weather-Resistant Build: Built with a durable, weather-sealed barrel assembly to safeguard internal junctions against dust and moisture ingress during challenging outdoor field shoots.

Fluorine Protection Coatings: The exterior front and rear optical glass surfaces are finished with a premium fluorine coating that actively repels water droplets, grease, dirt, and fingerprints for effortless cleaning.

Nikon F-Mount Versatility: Natively supports professional FX and DX format AF-S NIKKOR lenses, making it a staple tool for sports, wildlife, and aviation photographers.

Item Condition & Inventory Disclosures
Operational & Optical Status: Fully operational. The rear glass element is immaculate, the mechanical mounting bayonets lock tightly on both sides, and all electronic contact pins transfer data seamlessly.

Included Accessories: Comes equipped with a compatible rear lens cap.

Missing Components: Missing the front cap. The front mounting side will ship wrapped safely to prevent damage during transit, but you will need to source a standard Nikon BF-3B teleconverter front cap (or keep it permanently attached to a lens) to protect the exposed front alignment tab during long-term storage.

Technical Specifications
Device Classification: 1.4x Optical Teleconverter

Lens Mount Type: Nikon F-Mount (AF-S Series Only)

Magnification Factor: 1.4x

Light Loss Exposure Correction: 1.0 Stop

Electronic Integration: Full Autofocus, Auto-Exposure Metering, and VR Stabilization Pass-Through

Environmental Sealing: Weather-Resistant Seals with Front & Rear Fluorine Coatings

Dimensions (Diameter x Length): Approx. 2.5 x 1.0 inches / 64.0 x 24.5 mm

Weight: Approx. 6.7 oz / 190 g

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Miles ★★★★★

Putting this 1.4x on my 300mm f/2.8 is like getting a 420mm f/4 for a fraction of the price, and autofocus still feels snappy even in low light. The extra reach is exactly what I needed for wildlife without any noticeable drop in sharpness.

Evelyn ★★★★★

This teleconverter locks onto my 70-200mm with zero wobble, and the extra reach is perfect for wildlife shots without any noticeable loss in sharpness. It came missing the front cap, but the glass is pristine and it works flawlessly.

Thomas R. ★★★★★

I was worried about image quality loss with a teleconverter, but the optics on this are surprisingly sharp even at f/4. The 1.4x multiplier gave my 300mm lens just the extra reach I needed for wildlife shots, and autofocus still locks on quickly. It’s a solid build too—feels premium and connects sea