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Nikon/Inon optical connection timing issue - Help!


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#1 coinee

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Posted 03 April 2015 - 10:00 AM

Hi there! I'm on a boat in Egypt about to leave for Daedalus, and I screwed up a setting on my camera. I know this because I was warned of this scenario. And promptly forgot the setting.

Does anyone know what setting would cause the strobes to fire but the pictures to come out very dark?

Please save me!

Fabian Schorp

Flickr: https://www.flickr.c.../129488282@N06/

Nikon D750, NA-D750, 105mm macro, 16-35mm, Sigma 15mm fisheye, Dual YS250 Pro


#2 ChrigelKarrer

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Posted 03 April 2015 - 10:48 AM

What camera and what strobe?

 

- Inon Z-240 pre-flash push button in the wrong position

- Inon Z-240 dials in wrong position

- check strobe settings in the cameras menu

- Do a factory reset of the camera, the it should work

- my D800 and my Z-240's work perfectly together

 

Chris


Nikon D800 + Sigma 15mm + Nikon 105mm Micro VR + Hugyfot Housing + 3 Inon Z-240 strobes + 2x2 8'' ULCS arms - Panasonic LX100 + Nauticam Housing + SubSea +10 diopter
Nikon D90 + Ikelite housing + Ikelite DS125 strobe (for sale) - Nikon D7000 + Hugyfot housing (for sale) 
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#3 coinee

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Posted 03 April 2015 - 10:52 AM

Merci Chrigel!

I got it to work by switching to TTL mode from manual, we'll see how that holds up. It's super annoying because Martin Edge told me about this exact issue in January, we laughed about it, and now I can't remember. So silly.

Alright, boat is leaving Abu Dabbab - I'll let you know how it went next week. :)

Fabian Schorp

Flickr: https://www.flickr.c.../129488282@N06/

Nikon D750, NA-D750, 105mm macro, 16-35mm, Sigma 15mm fisheye, Dual YS250 Pro


#4 TimG

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Posted 03 April 2015 - 12:07 PM

Hope you got it  going alright, Coinee!

 

If you are using fibre optic to fire the D800 and want TTL, set the Inon to STTL on the left hand dial. I usually set the right dial to the 9 o'clock TTL position. The pre-flash should be locked in.  Those settings work for me with a D800.

 

Good luck - and have a great time!


Tim
(PADI IDC Staff Instructor and former Dive Manager, KBR Lembeh Straits)
Nikon D800 and D500, Nikkors 105mm and 16-35mm, Sigma 15mmFE, Tokina 10-17,  Subal housing

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#5 ChrigelKarrer

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Posted 05 April 2015 - 06:43 AM

Grüezi Fabian,

I'm glad that you made it work!

The Inon strobes (including you d-2000) are incredible machines and the work perfectly in sTTL with virtually any camera who can trigger them optically.
The back draw is that the various settings can make the use confusing and the original manual is extensive but very bad written and even more confusing.
But as i wrote, setting them to sTTL and the right pre-flash position and they will work in 99% of the cases.

 

In an case, investigate further why you got underexposed results as you should be able to have it working also in manual mode.
I use mainly sTTL but switch to full power for extreme wide angle like wrecks using 3 Z-240 and that works great.

 

Chris


Nikon D800 + Sigma 15mm + Nikon 105mm Micro VR + Hugyfot Housing + 3 Inon Z-240 strobes + 2x2 8'' ULCS arms - Panasonic LX100 + Nauticam Housing + SubSea +10 diopter
Nikon D90 + Ikelite housing + Ikelite DS125 strobe (for sale) - Nikon D7000 + Hugyfot housing (for sale) 
Canon G1X + Canon OEM housing (sold) - Canon G12 + Patima aluminium housing  (for sale) - - Fuji E900 + Ikelite housing (for sale)
Visit My Costa Rica Website - Visit My Italy Website


#6 Aliens

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Posted 07 April 2015 - 01:19 AM

What f stop and speed are you using?


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#7 coinee

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Posted 14 May 2015 - 01:00 AM

I've got it working! The only issue: I don't know why it worked on my Lembeh trip in February.

 

This thread: http://wetpixel.com/...showtopic=49631and this post: http://reefphoto.com/kb.php?id=7 gave me the idea to try it with the magnets in. And that works. Money quote:  If your camera does not fire a pre-flash, ACC must be disabled.

 

I am 100% sure I didn't have the magnets in when I went to Lembeh, but maybe I had the camera set to TTL? Oh well. In any case: Magnets. How do they work?!? :D


Fabian Schorp

Flickr: https://www.flickr.c.../129488282@N06/

Nikon D750, NA-D750, 105mm macro, 16-35mm, Sigma 15mm fisheye, Dual YS250 Pro


#8 hellhole

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Posted 14 May 2015 - 05:20 AM

No preflash.. Magnet in. Not sure... If u have pre flash or not. Fire on land and see...