TC-20E II
Doubles the effective focal length of your Nikon AF-S lens, without increasing closest focusing distance.

key features
1. New cosmetic design matches the latest AF-S Nikkor lenses
2. Increases the original focal lenght by 100%
3. Reduces lens aperture by two f-stops
4. Autofocus possible with AF-S and AF-I Nikkors having maximum aperture of f/2.8
5. New Front Cap (BF-3A) (can be used as body cap)

Included Accessories
Front lens cover (BF-3), rear lens cover (LF-1)

Main Specifications
Focal lenght [mm] 2x that of the lens in use
Lens Construction: Elements / Groups 7 / 6
Mount-to-mount lenght 55
Dimensions: Dia x Length (extension from lens mount), [mm] 66 x 55