The Nikon TC-20E III 2x Teleconverter is an exceptional teleconverter optimized for use with FX and DX digital SLR cameras. It doubles the focal length of compatible Nikkor lenses. The TC-20E III is constructed of 7 elements in 5 groups and with Nikon's Integrated Coating (IC) you will see improved color and reduced flare. It has one aspherical lens element which virtually eliminates lens aberrations.

The 2x extender (also known as a teleconverter) will double the focal length of your existing lens, and will cut back the amount of light by 2 f/stops. For example, using this teleconverter with a 300mm lens will effectively increase the focal length to 600mm. A lens set to f/2.8 will now be f/5.6. Teleconverters are best used with longer telephoto lenses and are not recommended for lenses wider than 50mm, e.g. 28-105mm (35mm format).

Enhanced Telephoto Versatility

An affordable and portable gateway to extend telephoto reach which is ideal for sports, wildlife, surveillance and more.

2x Optical Conversion Factor

The TC-20E III doubles the focal length of select compatible Nikkor lenses.

Aspherical Lens Element

The aspherical lens element eliminates coma and other aberrations especially at wide apertures.

Nikon Integrated Coating (IC)

The Nikon Integrated Coating (IC) enhances light transmission efficiency, improves color consistency and reduces flare.

Advanced Optical Design

This teleconverter is constructed with 7 elements in 5 groups and is optimized for use with FX and DX digital SLRs, engineered to meet the needs of professional photographers.

Usable Lenses

The following lenses may be used with the Nikon TC-20E III, some with noted functional limitations. NIKKOR lenses not listed cannot be used with the TC-20E III. The rear elements of NIKKOR lenses not listed can contact and damage the Teleconverter element and must not be attached! List includes current lenses along with lenses for which production may have ceased. Lenses that are no longer in production are shown only for your convenience as a compatibility reference.

• AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED (autofocus not possible)
• AF-S VR NIKKOR 200mm f/2G IF-ED (no limitations)
• AF-S NIKKOR 300mm f/2.8G ED VR II (no limitations)
• AF-S VR NIKKOR 300mm f/2.8G IF-ED (no limitations)
• AF-I NIKKOR 300mm f/2.8D IF-ED (no limitations)
• AF-S NIKKOR 300mm f/4D IF-ED (autofocus not possible)
• AF-S NIKKOR 400mm f/2.8G ED VR (no limitations)
• AF-S NIKKOR 400mm f/2.8D IF-ED II (no limitations)
• AF-S NIKKOR 400mm f/2.8D IF-ED (no limitations)
• AF-I NIKKOR 400mm f/2.8D IF-ED (no limitations)
• AF-S NIKKOR 500mm f/4D IF-ED II (autofocus not possible)
• AF-S NIKKOR 500mm f/4D IF-ED (autofocus not possible)
• AF-I NIKKOR 500mm f/4D IF-ED (autofocus not possible)
• AF-S NIKKOR 600mm f/4G ED VR (autofocus not possible)
• AF-S NIKKOR 600mm f/4D IF-ED II (autofocus not possible)
• AF-S NIKKOR 600mm f/4D IF-ED (autofocus not possible)
• AF-I NIKKOR 600mm f/4D IF-ED (autofocus not possible)
• AF-S NIKKOR 70-200mm f/2.8G ED VR II (no limitations)
• AF-S VR Zoom-NIKKOR 70-200mm f/2.8G IF-ED (no limitations)
• AF-S Zoom-NIKKOR 80-200mm f/2.8D IF-ED (no limitations)
• AF-S VR Zoom-NIKKOR 200-400mm f/4G IF-ED (autofocus not possible)

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