This RadioPopper Receiver for Einstein 640 Flashplugs into the body of the Paul C. Buff Einstein 640 allowing triggering of the flash from distances up to 1,750'. The receiver works with virtually all RadioPopper systems and requires an optional Jr2, PX, JrX or Nano transmitter for use. In addition to remote triggering, the optional Jr2 transmitter is also capable of controlling the Einstein's power levels. Since the receiver draws its power from the flash head, no batteries are needed.

No Batteries Needed, Runs off Flash    16 Channels, 4 Groups    Works with Jr2, PX, JrX, Nano Systems    Jr2 Transmitter Adjusts Power Levels    1,750' Range

Related Questions and Answers

Q: 1. Can this Jr2 transmitter trigger Jrx receiver?

A: I think it can, but the folks at Radio Popper are super helpful I would call them to verify!

Q: 2. Will this control power on Nikon SB 900?

A: Yes it will.

Q: 3. There aren't any pictures showing the bottom of the receiver. Nor description indicating there's a thread to mount the receiver to a stand. The picture does show it mounted to a stand as indicated in the image in use 1 ...Do I need an adapter to mount to my stand or does it have a thread on bottom?

A: I was able to attach the Nano Receiver directly to a stand. On the Nano Receiver, there is a female threaded Brass Insert on the underside that is not shown. There was a brass top on my stand that I removed a plastic cover from and it revealed a threaded stud which I threaded the Nano Receiver to and then attached a Speedlight to the receiver.

Q: 4. Is there a bracket for the PX-RN receiver for the Nikon SB-700? It looks like the bracket supplied here is only for the SB-900 and SB-800.

A: The RadioPopper PX Receiver Mounting Bracket and Base included with this receiver can also work with the SB-700.

Q: 5. I've read that photographers will use these poppers in conjunction with Nikon's $230 optical slave for better results, what say you?

A: The RadioPopper Nano Receiver is a radio wireless sync and does not work with an optical slave.

Q: 6. How can I connect it to Nikon dc-2 camera plug to remotely trigger the shutter?

A: You would connect a remote cable with the DC-2 connector to this receiver into the miniphone jack on the side of it. One such cable you can use is the Vello 3.5mm Remote Shutter Release Cable for Nikon DC-2 Cameras, B&H # VERCCN235. Please see the image below for reference.

Q: 7. Will this trigger a Norman 200C flash?

A: You can check the compatibility by going to the Jr2 site and you will find the list of flashes it will trigger.

Q: 8. Any issues with this working with Sony a7rII?

A: Unable to answer. Using Canon equipment. So far excellent.

Q: 9. Will this receiver work with an older rp transmitter? I lost one of the rp cubes but see that you dont make that model anymore.

A: Unfortunately no. I bought an older version of this thinking it will work with my RP JR2 setup (1 JR2 transmitted, 2 JR2 receivers). The older RP JR1 received did not sync or recognize the RP JR2 transmitter. Recommend by like for like in this case.

Q: 10. what do I need to use the tx with slt-a65 and rx with hvl-f42am? ( besides the tx & rx)

A: The transmitter has a standard hotshoe. To use that with the Sony a65 you need a transmitter two adapters.RadioPopper Nano TransmitterB&H # RANANOT Mfr # NANO-Thttp://bhpho.to/1yMjB7b This is for the camera.Sony Auto-Lock Shoe AdapterB&H # SOADPAMA Mfr # ADPAMAhttp://bhpho.to/1gjWYR5This is for the flashSony Multi-Interface Shoe AdapterB&H # SOADPMAA Mfr # ADPMAAhttp://bhpho.to/1cjK16q