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About dhoro

  • Rank
    Sea Nettle

Additional Info

  • Camera Model & Brand
    Olympus C7070
  • Camera Housing
    Olympus PT-027
  • Strobe/Lighting Model & Brand
  • Accessories
  1. Can anyone outline for me the process for turning off the histogram display on an Olympus E-M1 camera? Dan
  2. Thanks Yako, I had not paid much attention to the playback section of the menu. This is just what I want so as to have a better preview of the image for underwater portrait photos to check for sharp focus.
  3. Can the image preview in the LCD on the Olympus E-M1 camera be set so that images taken vertically can be viewed in full screen, not as a thin strip? I have not been able to find whether one can turn off a "rotate tall" or "auto-rotate" feature with the E-M1 camera. If it can be done please tell me how! dhoro
  4. Thanks, Wolf Eel, With the strobe set on manual 2 it fires when I tested it with the G11 in manual mode. I was using the strobe's manual 1 setting as this is where I had it set and where it works whenI set the camera to Aperture priority. Interestingly, I tried the flash on manual 2 and the G11 in Aperture priority-- the strobe fired but gave insufficient light to expose the image (even though strobe was set for full power). Using the same camera settings and the strobe set back on manual 1, the image received sufficient strobe light for proper exposure. Go figure that, in both situations the strobe appeared to be flashing with the same intensity. J. Daniel
  5. Thanks for the suggestion, however I do not know how to do this. The G11 provides a pre-flash and I have set the Y-110a accordingly and it works when I am in Aperture Priority. I cannot find anything in either manual that describes any other way to set the Y-110a to respond to the pre-flash. Dan
  6. Hi! I am unable to get my Sea & Sea Y-110a strobe (connected to the FIX housing with fibre optic cables) to fire when I set the G11 camera to manual mode to control both shutter speed and aperture. Is this a characteristic of the G11 and the fibre optic connection or am I missing some other setting in the menu? If I switch to Aperture priority the strobe will fire in sync without fail. Any suggestions or helpful hints are appreciated. J. Daniel
  7. The G11 is set to macro mode because the manufacture of the FIX housing and fisheye lens and the retailer (Backscatter in Monterey Ca) state that this is what you do. I also use Aperture Priority more often than Manual. Interestingly, I tested the set up on land the other day using my adult daughter (5' 7"), standing 3' from the lens and took three photos with three different settings-- macro, normal and manual focus. They came out identical and can only tell the difference by checking Exif 'focus mode' that shows "0" for manual and a "1" for macro and normal. Here is a the Exif data for a photo of a shark in focus and at about 15-20 distance. Dan (Incidentally do you have a reference that provides a detailed data sheet for the tags and fields for the G11 Exif data?) Aperture Value: 4.34375 Color Space: sRGB Compressed Bits Per Pixel: 3 Custom Rendered: Normal process Date Time Digitized: 2010:11:04 06:36:12 Date Time Original: 2010:11:04 06:36:12 Digital Zoom Ratio: 1 Exif Version: 2.2.1 Exposure Bias Value: 0 Exposure Mode: Auto exposure Exposure Time: 1 / 60 Flash: Flash fired, compulsory flash mode, red-eye reduction mode FlashPix Version: 1.0 FNumber: 4.5 Focal Length: 6.1 Focal Plane Resolution Unit: inches Focal Plane X Resolution: 12493.15 Focal Plane Y Resolution: 12493.15 ISO Speed Ratings: 200 Max Aperture Value: 2.96875 Metering Mode: CenterWeightedAverage Pixel X Dimension: 3648 Pixel Y Dimension: 2736 Scene Capture Type: Standard Sensing Method: One-chip color area sensor Shutter Speed Value: 5.90625 White Balance: Auto white balance _ImageStabilization: 3 AFInfo: 0.45, 0.45, 0.1, 0.1, f Firmware: Firmware Version 1.00 Flash Compensation: -2 Focus Mode: 1 Lens ID: 65535 Lens Info: 6.1, 30.5, 0, 0 Lens Model: 6.1-30.5 mm
  8. I have just returned from a dive trip, cage diving with great white sharks, at Guadalupe off the Baja. I was using my new Canon G11 in an FIX housing with an FIX Fisheye wide lens. Photos of my cage buddy ( about 4 to 5 feet away ) came out in focus and great color. However, every time a great white shark came near the cage the G11 would not autofocus and the shutter would not open. If the sharks were more distant the camera focused, the shutter open and the photos were taken. Yes, the camera was set to macro mode. Another diver/photographer onboard suggested that the failure to focus may have been due to the lack of contrast between shark and the blue water. Two other divers using a G10 and Ikelite housing and a G11 in a Canon housing with standard ports were getting excellent results. Can anyone suggest what I might have been doing wrong or what I should have done to get some exciting close up photos of large sharks within 4 to 5 feet of my lens?
  9. Arnon, Thanks for replying to my question. I will attempt to go through my manual, which is on a CD, but which I find very complex and somewhat over my head. J. Daniel Thanks Gary, I will check out the discussion on the url that you suggested. As I indicated to Arnon I find my user manual somewhat advanced for my camera knowledge lever. J. Daniel
  10. I have recently moved to using an Oympus C-7070 with an Olympus PT-027 housing. My previous UW photos were taken with a Nikonos-V 35mm. I am trying to use the Nikonos SB 105 strobe, in the slave setting, with my digital system. Visually the strobe appears to flash simultaneously with the Olympus built in flash, but results in photos that are underexposed when compared to the same subject taken with the slave off and only the built in flash on. What am I missing in this situation? Is the some setting in my Olympus that I need to deal with in order to get an enhance benefit of the strobe flash? Or are these two systems incompatable for what I am attempting to achieve? Can anyone comment on this and help me with the problem? J. Daniel
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