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maelstrom

Member Since 20 Jan 2005
Offline Last Active Aug 05 2014 11:15 AM
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Posts I've Made

In Topic: How did you flood?

09 February 2014 - 09:13 AM

Interesting to note that one housing manufacturer seems to be  over represented here, especially where there was no blatant user error involved.  This agrees with my observations, as well.  It always baffles me that people who happily pay $6000+ for a trip will try to save $1500 on a housing which malfunctions or floods, spoiling their trip, and costing them a great deal to replace the ruined camera and lens.

 

I have also seen a few floods from gross user error when the housing was worked on in the evening, after consuming alcohol.  I will never work on my camera after drinking.

 

I have flooded 2 cameras due to the main housing o-ring popping out of it's groove, one in a test dunk, both due to user error.  Now, I remove this o-ring as infrequently as possible during a trip, and have gone 7 years without any more camera floods.

 

I had a vacuum system installed on my Nauticam housing.  It is simple to use, and gave me much confidence during a recent trip to Mexico, where the camera facilities on the liveaboard were decidedly suboptimal.  Time will tell if this confidence is misplaced, but I am certain it will detect any large breaches of housing integrity.

 

I have had continual and ongoing problems with the battery compartment o-ring binding in my Inon 240-Zs while screwing the cap on, resulting in a danger of flooding.  Usually this is obvious, but not always.  More grease, and new o-rings have not improved this situation.


In Topic: Canon 70D

08 February 2014 - 08:12 AM

I have done about 70 dives with my 70D in a Nauticam housing.   I am very impressed by the camera.  It shoots excellent stills, and video that is vastly better then previous DSLRs, mostly due to the dual pixel autofocus.  I just returned from the Revillagigedos, which is pretty much all pelagics.  The still and video autofocus worked flawlessly, even on Mantas in fairly murky water.  I used the Tokina 10-17mm, which works very well with this camera.  For stills, I shoot RAW in manual mode.  For video, I shoot "all i" format, and custom white balance.  The housing has had some issues which required a return to the dealer for repair.  Images from my first trip with this rig are at: 

 

http://www.pbase.com...nes_12201312014


In Topic: Your Favourite/Best Image of 2013

13 January 2014 - 05:51 PM

My favorite image of 2013: a Decorated War Bonnet on red soft coral.  It was taken at my favorite dive site in the world:  Browning Pass, Port Hardy, British Columbia, Canada.

 

Hal


In Topic: Lens choice for Socorro

09 November 2013 - 11:11 PM

I normally shoot the 10-17mm with a mini dome, but thinking of adding a 1.4x Kenko telextender for this location.  What extension ring should be used with a 7D and Nauticam housing?

 

Hal


In Topic: Nauticam extension ring/Zen minidome

21 April 2013 - 08:31 PM

I cannot recall the specific oring now, but the information is readily available on Reef Photo's web site.  The Nauticam port orings are much thicker.  I would not even consider using one.  E_Viking may have solved this problem.  if you turn it fully counter clockwise, it locks again.  Backing off just a little frees it up.  I was not quite sure what he meant, but stopped in Ocean Optical, and Jack Connick showed me in Person.  Many Thanks.

 

Hal