I emailed SeaLife support about the vignetting of the wide angle lens and the Glare Ring I was seeing. Here is their response.
“If you back out of the zoom a little bit it should eliminate the vignetting on the corners as well as the glare issue“.
Unfortunatly the Glare ring does happen at all zoom settings but the vignetting does go away at non macro settings.
Although this isn’t very helpful she did email me back several times asking questions. I finally just called and she was very nice and willing to work with me, exchange cameras, or do whatever it takes. I am going to take the camera to the pool and see if the wide angle still gets the glare ring under water.
My feeling is that the flash is reflecting from the targets back into the lens and then bouncing around between camera lens and the Wide angle Lens and causing the Glare Ring. I am going to test this theory tonight. If my assumption is true then the glare ring should show itself by taking a picture of a bright object like a sunset or light bulb.
It’s very clear from talking to support and the design of the camera that it’s designed to use an external plash and not the internal flash when in the housing.
Here are links to some issues I was having.
Vignetteing
http://www.kona-aloha.com/photos/dc500/vignette1.jpg
http://www.kona-aloha.com/photos/dc500/vignette2.jpg
Shadows
Shadow in housing w/o Wide Angle
http://www.kona-aloha.com/photos/dc500/Shadow_In_Housing.jpg
Shadow in housing with Wide Angle
http://www.kona-aloha.com/photos/dc500/shadow_WA.jpg
Note that the shadow in the poinsettia picture is less as I was further back
http://www.kona-aloha.com/photos/dc500/poinsetta.jpg
Here are some sample shots I took over the past few days. They have been shrunk but not touched up.
http://www.kona-aloha.com/photos/dc500/Cherry.jpg
http://www.kona-aloha.com/photos/dc500/Yard.jpg
http://www.kona-aloha.com/photos/dc500/Yard3.jpg
http://www.kona-aloha.com/photos/dc500/Shelf.jpg
http://www.kona-aloha.com/photos/dc500/Pine.jpg
Glare Ring
http://www.kona-aloha.com/photos/dc500/GlareRing.jpg
Macro at Low Light
http://www.kona-aloha.com/photos/dc500/Macro_LowLight.JPG
“If you back out of the zoom a little bit it should eliminate the vignetting on the corners as well as the glare issue“.
Unfortunatly the Glare ring does happen at all zoom settings but the vignetting does go away at non macro settings.
Although this isn’t very helpful she did email me back several times asking questions. I finally just called and she was very nice and willing to work with me, exchange cameras, or do whatever it takes. I am going to take the camera to the pool and see if the wide angle still gets the glare ring under water.
My feeling is that the flash is reflecting from the targets back into the lens and then bouncing around between camera lens and the Wide angle Lens and causing the Glare Ring. I am going to test this theory tonight. If my assumption is true then the glare ring should show itself by taking a picture of a bright object like a sunset or light bulb.
It’s very clear from talking to support and the design of the camera that it’s designed to use an external plash and not the internal flash when in the housing.
Here are links to some issues I was having.
Vignetteing
http://www.kona-aloha.com/photos/dc500/vignette1.jpg
http://www.kona-aloha.com/photos/dc500/vignette2.jpg
Shadows
Shadow in housing w/o Wide Angle
http://www.kona-aloha.com/photos/dc500/Shadow_In_Housing.jpg
Shadow in housing with Wide Angle
http://www.kona-aloha.com/photos/dc500/shadow_WA.jpg
Note that the shadow in the poinsettia picture is less as I was further back
http://www.kona-aloha.com/photos/dc500/poinsetta.jpg
Here are some sample shots I took over the past few days. They have been shrunk but not touched up.
http://www.kona-aloha.com/photos/dc500/Cherry.jpg
http://www.kona-aloha.com/photos/dc500/Yard.jpg
http://www.kona-aloha.com/photos/dc500/Yard3.jpg
http://www.kona-aloha.com/photos/dc500/Shelf.jpg
http://www.kona-aloha.com/photos/dc500/Pine.jpg
Glare Ring
http://www.kona-aloha.com/photos/dc500/GlareRing.jpg
Macro at Low Light
http://www.kona-aloha.com/photos/dc500/Macro_LowLight.JPG