383nOther AccessoriesAt the time of writing, the following accessories were available forthe D3.Powersources• Rechargeable Li-ion Battery EN-EL4a, EN-EL4 (pp. 32, 34): AdditionalEN-EL4a/EN-EL4 batteries are available from local retailersand Nikon service representatives. These batteries can berecharged and calibrated using an MH-22 or MH-21 quickcharger.• Quick Charger MH-22, MH-21 (pp. 32, 433): The MH- 22, MH-21 canbe used to recharge and calibrate EN-EL4a and EN-EL4batteries.• AC Adapter EH-6: The EH-6 can be used to power the camera forextended periods.WirelessLANadapters• Wireless Transmitter WT-4: Connects the camera to wireless andEthernet networks. The photographs on the cameramemory card can be viewed by computers on the samenetwork or copied to a computer for long-term storage. Thecamera can also be controlled from any computer on thenetwork using Camera Control Pro 2 (available separately).Note that the WT-4 requires an independent power source;an EH-6 AC adapter or an EN-EL3e battery is recommended.See the WT-4 manual for details.
