The Nikon AF-S Teleconverter TC-20E III is a completely new optical design designed to minimise its impact on image quality.

The Nikon 20E III AF-S Teleconverter doubles the effective focal length of select compatible NIKKOR lenses, offering an affordable and portable gateway to extend telephoto reach; ideal for sports shooting, wildlife, surveillance and more.

The Nikon TC-20E III features:

- Enhanced Telephoto Versatility
- 2x Optical Conversion Factor
- Aspherical Lens Element
- Nikon Integrated Coating (IC)
- Advanced Optical Design

The Nikon TC- 20E III is compatible with the following lenses 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!

2160 AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED Autofocus not possible
2150 AF-S VR NIKKOR 200mm f/2G IF-ED No limitations
2186 AF-S NIKKOR 300mm f/2.8G ED VR II No limitations
2154 AF-S VR NIKKOR 300mm f/2.8G IF-ED No limitations
1942 AF-I NIKKOR 300mm f/2.8D IF-ED No limitations
1909 AF-S NIKKOR 300mm f/4D IF-ED Autofocus not possible
2171 AF-S NIKKOR 400mm f/2.8G ED VR No limitations
2127 AF-S NIKKOR 400mm f/2.8D IF-ED II No limitations
1949 AF-S NIKKOR 400mm f/2.8D IF-ED No limitations
1948 AF-I NIKKOR 400mm f/2.8D IF-ED No limitations
2172 AF-S NIKKOR 500mm f/4G ED VR Autofocus not possible
2131 AF-S NIKKOR 500mm f/4D IF-ED II Autofocus not possible
1937 AF-S NIKKOR 500mm f/4D IF-ED Autofocus not possible
1941 AF-I NIKKOR 500mm f/4D IF-ED Autofocus not possible
2173 AF-S NIKKOR 600mm f/4G ED VR Autofocus not possible
2133 AF-S NIKKOR 600mm f/4D IF-ED II Autofocus not possible
1952 AF-S NIKKOR 600mm f/4D IF-ED Autofocus not possible
1951 AF-I NIKKOR 600mm f/4D IF-ED Autofocus not possible
2185 AF-S NIKKOR 70-200mm f/2.8G ED VR II No limitations
2139 AF-S VR Zoom-NIKKOR 70-200mm f/2.8G IF-ED No limitations
1993 AF-S Zoom-NIKKOR 80-200mm f/2.8D IF-ED No limitations
2146 AF-S VR Zoom-NIKKOR 200-400mm f/4G IF-ED Autofocus not possible

The Nikon TC 20E III includes:
- BF-3A front lens cap
- LF-1 rear lens cap
- Cl-0715 Lens Case