Nikon MB-D100 Multi Function Battery Pack for D100
Nikon MB-100 Multi-Function Battery Pack for D100 Digital body. This battery pack attachment for the D100 allows the use of 2 EN-EL3 rechargeable batteries or 6 AA batteries. It is also equipped with a microphone and speaker for recording and playback of voice memos, a shutter-release button, command dials and AE-L/AF-L button (which also doubles as a focus-area selector) for taking photographs in vertical (portrait) orientation. There is a ten-pin remote terminal for connecting remote or automatic control devices.