Designed for AF-S and AF-I Nikkor lenses Increases the original focal length by 40% Reduces lens aperture by one f-stop Autofocus possible with AF-S and AF-I Nikkor lenses New Front Cap BF-3A (can be used as body cap) Lens construction: 5 elements in 5 groups Dimensions: 66 x 24.5mm Weight: 200g Note: Compatible with AF-S and AF-I Nikkor lenses except AF-S 17-35mm f/2.8D IF-ED and AF-S 28-70mm f/2.8D IF-ED.
