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Need suggestion to buy a straight fiber optic cable


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#1 Interceptor121

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Posted 09 July 2019 - 11:03 AM

As the thread says I would like to buy a 3m straight cable to use with my remote trigger. Unfortunately none are on sale so am planning to buy a multicore cable and terminate it myself

 

Anyone can recommend some specifications??


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#2 davehicks

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Posted 09 July 2019 - 11:10 AM

I am using this 3mm fiber for my Inon 330 strobes.  Works perfectly, very durable.   I'd suggest getting the 10m length ($13) so you have lots of extra for spares.

 

https://www.amazon.c...e?ie=UTF8&psc=1


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#3 TimG

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Posted 09 July 2019 - 12:18 PM

Toslink? I’ve made backup cables using Toslink from Amazon and it works fine with my Z240s.

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#4 davehicks

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Posted 09 July 2019 - 03:48 PM

Toslink is barely 1mm and some strobes seem to need more light to trigger.  Sea&Sea seems to need a lot.  The expensive multi-fiber or cheap 3mm example above works more reliably.


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#5 Interceptor121

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Posted 09 July 2019 - 10:44 PM

@davehicks the cable is translucent and naked ie not coated.
Does it make a bit fragile? The translucent color I bet becomes invisible in water so this looks very interesting. Can you put the cable on a spool or is too rigid?


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Edited by Interceptor121, 09 July 2019 - 10:46 PM.

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#6 ChrisRoss

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Posted 10 July 2019 - 02:10 AM

I've made a backup fibre optic from an already terminated toslink cable and it works fine for INON strobes.  The Toslink plug can be trimmed down to fit in the S&S style connector as used on housings such as Nauticam m43 housings, just take the corners off.  You would have to trim down the cable to fit into an INON connector on the other end.



#7 TimG

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Posted 10 July 2019 - 04:04 AM

I've made a backup fibre optic from an already terminated toslink cable and it works fine for INON strobes.  The Toslink plug can be trimmed down to fit in the S&S style connector as used on housings such as Nauticam m43 housings, just take the corners off.  You would have to trim down the cable to fit into an INON connector on the other end.

 

Yeah, I did the same for my Inons - but davehicks is saying that Toslink cable is not enough, I think, for Sea and Sea strobes. A few posts some time back suggested that S&S strobes need more output to activate a slave.


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#8 Interceptor121

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Posted 10 July 2019 - 04:18 AM

I think toslink js an alternative to on camera the translucent good for off camera and I just bought 10 meters


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#9 davehicks

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Posted 10 July 2019 - 11:32 AM

The cheap Amazon 3mm fiber is really robust. It does have a outer clear coating. Much better than official branded optical connectors on the market which get crimped and bent easily. I've had much longer life span with this in 2 years than I ever got with the real thing.

As for spooling, I think it's OK for a few inches diameter. I have seen some people use hot water to spiral it up like a coiled cable so I guess it could go tighter if needed.

Edited by davehicks, 10 July 2019 - 11:33 AM.

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#10 gobiodon

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Posted 11 July 2019 - 03:50 AM

I am using this 3mm fiber for my Inon 330 strobes.  Works perfectly, very durable.   I'd suggest getting the 10m length ($13) so you have lots of extra for spares.

 

https://www.amazon.c...e?ie=UTF8&psc=1

It's a sideglow cable. Why don't you go for an endglow cable?


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#11 gobiodon

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Posted 11 July 2019 - 03:55 AM

I ordered endglow (less light loss) cables from here for other projects:

https://www.lichtdek...chtfasern-PMMA/

multiple fibers with coating:

https://www.lichtdek...er-Ummantelung/


Edited by gobiodon, 11 July 2019 - 03:56 AM.

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#12 Interceptor121

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Posted 11 July 2019 - 04:10 AM

I ordered endglow (less light loss) cables from here for other projects:
https://www.lichtdek...chtfasern-PMMA/
multiple fibers with coating:
https://www.lichtdek...er-Ummantelung/


Good point
Found on ebay end glow with sheath


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#13 davehicks

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Posted 11 July 2019 - 07:43 AM

It's a sideglow cable. Why don't you go for an endglow cable?


Makes Zero difference. These cables transfer a ton of light. I think for the side glow you would need a constant source to have any visible effect. Also I think that due to the "On display" nature of the side glow cables they are more rubust and coated for durability.

Edited by davehicks, 11 July 2019 - 08:17 AM.

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#14 Interceptor121

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Posted 11 July 2019 - 07:45 AM

Makes Zero difference. These cables transfer a ton of light. I think for the end glow you would need a constant source to have any visible effect. Also I think that due to the "On display" nature of the side glow cables they are more rubust and coated for durability.


I have bought 10 meters of side and 3 meters of end glow. End glove comes in 2mm fiber with black sheath 3mm total. Side glow as by davehicks
Considering the cost £16 for both am happy to test them both


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#15 Interceptor121

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Posted 12 July 2019 - 02:47 AM

ebay item arrived today just tested it with my anglerfish fires reliably along the 3 meters cable

 

The cable itself is an endglow 2mm fiber within a black PVC sheating that feels really rugged £5.25 including shipping seems very good to me. 3 meters feels a good length

 

Also available in 1.8mm but looks a bit thin. Standard inon and sea and sea nauticam are 2.2mm external


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#16 bvanant

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Posted Today, 02:54 AM

for multi-core fiber (like the S&S) the only place that you can get short pieces is industrial fiber optics about $6/meter for the 600+ core stuff

BVA
 


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#17 Interceptor121

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Posted Today, 05:37 AM

for multi-core fiber (like the S&S) the only place that you can get short pieces is industrial fiber optics about $6/meter for the 600+ core stuff
BVA
 

Bill am getting cuts of bigger spools
The cable i got triggers my z240 with a remote trigger just fine
Am not sure about number of cores but works reliably


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