Inon Z-240 TTL Insulating Plates

Real newb question: I have two Inon Z-240s that will connect to a Subal ND-30 via a Sea&Sea 5-pin dual sync cord. The Inon manual says to insert the TTL insulating plates "when using a Nikon D100 in a Nexus D100". So, do I need these insulating plates for a Subal with a Nikon D-300?

Thanks in advance.

The Inon manual says to insert the TTL insulating plates "when using a Nikon D100 in a Nexus D100". So, do I need these insulating plates for a Subal with a Nikon D-300?

Hi,

I just went through this in Cozumel with Steve Philbrook, the U.S. Inon Rep. The answer is that you do need them if you are not using TTL. I do not use TTL so they are required in my case. As Steve and his wife explained to me, the plate covers a pin that is used when shooting TTL. If the plate does not cover the pin, weird unintended things can happen electrically that are not desired. I had lost one of my insulating plates and Steve set me up to shoot one of my Z240 strobes as a slave. Of course, the strobe that was set up as a slave often went off when another diver's strobe fired leading one of the divers I was buddying with to avoid me like the plague

If you do need the insulating plates, you might want to get more of them as backups because they do tend to get lost easily. I had lost one of mine when disassembling my rig on a boat after a dive.

I can't imagine that the D-300 would be any different as far as requiring the insulation plates (when TTL is not used) than my own D70S.

If, OTOH, you are using TTL then the plates are not needed.

Hope that helps,

Ellen

Hi,

 

I just went through this in Cozumel with Steve Philbrook, the U.S. Inon Rep. The answer is that you do need them if you are not using TTL. I do not use TTL so they are required in my case. As Steve and his wife explained to me, the plate covers a pin that is used when shooting TTL. If the plate does not cover the pin, weird unintended things can happen electrically that are not desired. I had lost one of my insulating plates and Steve set me up to shoot one of my Z240 strobes as a slave. Of course, the strobe that was set up as a slave often went off when another diver's strobe fired leading one of the divers I was buddying with to avoid me like the plague

 

If you do need the insulating plates, you might want to get more of them as backups because they do tend to get lost easily. I had lost one of mine when disassembling my rig on a boat after a dive.

 

I can't imagine that the D-300 would be any different as far as requiring the insulation plates (when TTL is not used) than my own D70S.

 

If, OTOH, you are using TTL then the plates are not needed.

 

Hope that helps,

 

Ellen

Thanks so much, Ellen. I'll be shooting manual so I'll need to use them. Each strobe came with two plates so I'll have three as backups. I'm going to put everything in the pool tomorrow and play around abit.