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twinner

Member Since 22 Dec 2005
Offline Last Active Dec 12 2013 08:24 PM
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Posts I've Made

In Topic: So totally Green and new to Underwater..... help!

07 December 2013 - 10:52 AM

I would suggest taking some lessons from a good instructor. If you don't have someone in your area you can do skype or FaceTime lessons. Personally I think hands on tranning on how to properly setup, use and maintain your gear would be a better investment to start with over a vacuum system.

In Topic: Canon 16-35mm f2.8L II Dome?

17 October 2013 - 08:03 AM

You are going to need the proper extension ring with any of theses setups. I use a 70mm with the Zen 9" and nauticam housing. I,m not familiar with the pro-one domes so I can't comment on that one.

In Topic: Canon 16-35mm f2.8L II Dome?

17 October 2013 - 07:15 AM

Unfortunately all rectilinear lenses lack some corner sharpness behind a dome. The best solution is to use the largest dome you can and stop down on the lens. I use the 16-35 II with the Zen 9" without a diopter on 5D Mark III and find the corners quite acceptable. On a cropped body the corners will be even better. By adding a diopter you may add some sharpness to the corners but I don't think the 16-35 II needs it.

In Topic: Love hurts!

09 August 2013 - 07:23 PM

Nice! The second one is great!

In Topic: Interesting Reflection

08 August 2013 - 08:59 PM

Unfortunately this is more common with acrylic domes. not so much with glass. you can mask out the rings and wording like the other posts said and not aim into the sun.