Promaster Spectrum 7 Extension Tube Set for Nikon F what kind of battery_Lithium This accessory screws into the

This accessory screws into the front of any lens with a 52mm filter thread and provides a wider field of view

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Lens and back are sold separately

Includes slide copier attachment

ISO settings to 6400

Promaster Spectrum 7 Extension Tube Set for Nikon F what kind of battery_Lithium This accessory screws into theA set of three extension tubes for Nikon F mount: 12mm, 20mm, and 36mm. These tubes have the electronic contacts necessary to maintain autofocus and autoexposure capabilities. If you're curious about dabbling in macro work, this is an inexpensive way to get started. Good working order, light cosmetic wear. Includes rear cap; lens and camera sold separately.