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davehicks

Member Since 16 Nov 2003
Offline Last Active Today, 05:05 PM
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Posts I've Made

In Topic: DIY - Make your own fiber optic cable for your underwater flash - works with...

02 April 2018 - 05:06 PM

Kudo's to Tor for this excellent tip.  After a trip to Hornby Island in January where the Stellar Sealions chomped and mangled at least three of my fibre optic cables, I was looking a couple hundred dollars to by all need cables and spares.  I started looking into various DIY suggestions, including the use of old Toslink cables.  I found the Toslink worked ok, but the fibres were really very thin.  I've had reliability problems even with purpose-built cables transmitting enough light.  

 

I decided to try out this suggestion and purchased 5 meters of the 3mm end glow optical fiber recommend here from Amazon at a cost of about $15 US.  I already had some modular end plugs form existing (mangled) cables to reuse.  It works great!  The 3mm cable is very sturdy and transmits a lot of light for a strong signal.  I used velcro strip to attach it to my arms, and a bit of Sugru on the end caps to prevent too much bending at the attachment point.   Bonus - I have about 2.5 meters of cable in reserve for replacement spares in the field.


In Topic: Nauticam D800 with Sigma 15 Fisheye - which port?

29 December 2017 - 12:26 PM

Dave,
Do you feel it’s necessary to use the Kenko 1.4 TC on the Sigma 15?

No, definately not necessary.  However there are some nice advatages to using this setup. I found that in shooting large pelagic creatures in places like Soccoro or Galapagos you really benefit from some extra reach.  Sharks rarely come in close enough to get the full benefit of the 15mm frame so you end up cropping an awful lot.

 

You get a bit more reach with the TC without cropping but it's still very wide.  You also get a reduction in the typical fisheye curvature with the TC than without.  You can apply some Lens Corrections to distortion in Lightroom to fine tune this to your liking.  Finally the TC will also get you that much closer for CFWA as well which I like to use for reef life.


In Topic: Variety of Colours in the Emerald Sea

31 October 2017 - 09:26 PM

That was a great trip report, thanks for sharing!  Browning Pass is one of my favorite dive destinations and I am glad you got a chance to experience it.

 

 


In Topic: Wi-Fi reception in Guadalupe Island GWS live aboard?

28 July 2017 - 11:45 AM

Switch your booking to the Nautilus Explorer.  They provide satellite internet for a small fee.  


In Topic: Nauticam D800 with Sigma 15 Fisheye - which port?

09 June 2017 - 08:30 PM

I just completed a trip to Socorro where I primarily used my D800 / Nauticam system with the Sigma 15mm FE + Kenko 1.4TC under the Nauticam 8.5" dome with 20mm extension.  I was very happy with this setup and found the field of view plenty wide, FE effect minimized, and corner sharpness quite good.  Certainly better sharpness than I've seen with Nikon 16-35 lens under the same dome.

 

Here a few few sample shots:

 

Attached File  Dave Hicks Socorro Highlights (13 of 36).jpg   60.25KB   14 downloads

 

Attached File  Dave Hicks Socorro Highlights (25 of 36).jpg   59.96KB   14 downloads

 

Attached File  Dave Hicks Socorro Highlights (28 of 36).jpg   58.83KB   14 downloads