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Photography Gear and Technique / Archived topic

INON UWL-100 and dome unit

Started by Timmoranuk ·

  • 4Posts
  • 4Replies

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INON UWL-100 and dome unit

4 posts
  1. I've been using a INON UWL-100 and dome unit for a while on my Ike housed G9 and I've always shot on 'normal' focus mode. On CFWA shots I've noticed poor DOF despite an aperture of f8. W/a shots are pin sharp at minimum zoom setting.

     

    Yesterday I was browsing the INON Amica www site and happened on the dome unit manual:

     

    http://www.inonamerica.com/content/docs/Do...anual_v1.10.pdf

     

    The manual advises that with the dome, camera settings should generally be set on macro and specifically identifies some compacts, but not the G9.

     

    Can I get a 'take' from other G9, UWL-100 and dome unit users out there?

  2. I've been using a INON UWL-100 and dome unit for a while on my Ike housed G9 and I've always shot on 'normal' focus mode. On CFWA shots I've noticed poor DOF despite an aperture of f8. W/a shots are pin sharp at minimum zoom setting.

     

    Yesterday I was browsing the INON Amica www site and happened on the dome unit manual:

     

    http://www.inonamerica.com/content/docs/Do...anual_v1.10.pdf

     

    The manual advises that with the dome, camera settings should generally be set on macro and specifically identifies some compacts, but not the G9.

     

    Can I get a 'take' from other G9, UWL-100 and dome unit users out there?

    I actually set my G9 on macro focus as the default when underwater ... don't have the dome, but I generally find that since I'm generally looking to focus on something between 1 inch and three feet away, macro is a better starting point for the auto-focus.

     

    I even leave it in macro when shooting video.

     

    The only other technique I use is to leverage the hyperfocal distance and set the camera at a fixed focus of about 24 inches. When doing so, almost everything from about 18 inches and beyond is in focus without any wasted time achieving focus lock. I tend to do this more with video than stills.

  3. Hi Jeremy,

     

    Unless I were shooting CFWA, at 1 inch to 3 feet distance I'd be using a UCL or two in which case I'd be on the 'normal' focus setting and letting the glass do the work.

     

    When shooting CFWA (UWL-100 and dome) with grey seals recently I've been playing with the AF lock (page 123 / 124) which reduces shutter lag significantly but I'm still not happy with the DOF (at f8) or sharpness.

     

    I'd like to hear from anyone who used their G9, UCL-100 and dome on a macro setting whether CFWA or W/A. Does the little INON dome project a virtual image which needs to be considered by shooting on the macro setting?

  4. And INON Japan have said to me that the UWL-100 and dome will not work with the G9 :)

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