Pocketwizard Plus II Transceiver  type_Light Modifier this lens is clearly not

this lens is clearly not meant for day to day shooting: it produces a circular image in the middle of the frame

) There's no additional power supply required

Before you mash that "buy" button

and delicate in the way these old cameras often are

Pocketwizard Plus II Transceiver &nbsptype_Light Modifier this lens is clearly notThe Pocketwizard Plus II Transceiver can be set to send or receive radio signals at distances of up to 488 metres, which is pretty darn far. Slips into a hot shoe for triggering; a receiving unit can be connected to a camera or flash with appropriate cables; a PC sync cable is included. Note that this item is a single transceiver; you will need at least two of these to trigger a camera or flash as described above.