HD1000 Blue Halo example picture

Daniel Kissel · October 11th, 2007, 11:40 AM

This is a random shot of the top of a Coke can under incandescent 40W lighting. Notice the blue fringes around the highlights.

While this is a mild effect, try filming in an artificially lit environment like a stadium or airport. All bright lights will have this fringing effect.

Haven't played with different settings yet but this should not be, period.

Domenico Cappello · October 11th, 2007, 02:34 PM

I see what you call Hallo, most consumer and prosumer digital photography cameras have the same cromatic problem. I think it is call fringing or chromatic aberration, in the link you can see the explanation for that phenomenon
http://www.dpreview.com/learn/?/key=...tic+aberration

Mike Marriage · October 11th, 2007, 02:38 PM

CA is caused by the lens. Which isn't all that great on the HD100. It's okay for the price, but far from perfect, so you will see some purple and green fringing.

Greg Boston · October 11th, 2007, 03:05 PM

This is the blue fringing phenomenon that plagues many cameras and lenses. I've seen it on high end HD broadcasts.

What I've learned is that it usually manifests itself when the key light (usually the sun) is up high. It will virtually always fall on the right hand side of the object where there is a high contrast edge.

Some have stated that this blue fringing is more about CCD overload than actual chromatic aberration. Highly reflective objects will make it worse. I posted a pic taken with a still camera of a motorcycle rim in mid day sun that shows the same issue. I'm willing to bet your 40 watt light is up high compared to the can.

-gb-

October 11th, 2007, 11:40 AM	#1
Daniel Kissel Regular Crew Join Date: Mar 2006 Location: Suzhou, China Posts: 34	HD1000 Blue Halo example picture This is a random shot of the top of a Coke can under incandescent 40W lighting. Notice the blue fringes around the highlights. While this is a mild effect, try filming in an artificially lit environment like a stadium or airport. All bright lights will have this fringing effect. Haven't played with different settings yet but this should not be, period. Attached Thumbnails

October 11th, 2007, 02:34 PM	#2
Domenico Cappello New Boot Join Date: May 2007 Location: Mexico Posts: 6	Chromatic Aberration I see what you call Hallo, most consumer and prosumer digital photography cameras have the same cromatic problem. I think it is call fringing or chromatic aberration, in the link you can see the explanation for that phenomenon http://www.dpreview.com/learn/?/key=...tic+aberration

October 11th, 2007, 03:05 PM	#4
Greg Boston Wrangler Join Date: Oct 2003 Location: The Colony, TX Posts: 5,581 Images: 1	This is the blue fringing phenomenon that plagues many cameras and lenses. I've seen it on high end HD broadcasts. What I've learned is that it usually manifests itself when the key light (usually the sun) is up high. It will virtually always fall on the right hand side of the object where there is a high contrast edge. Some have stated that this blue fringing is more about CCD overload than actual chromatic aberration. Highly reflective objects will make it worse. I posted a pic taken with a still camera of a motorcycle rim in mid day sun that shows the same issue. I'm willing to bet your 40 watt light is up high compared to the can. -gb- __________________ Greg Boston Sony PDW-F350, Panasonic PV-DV953, FCP Studio

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October 11th, 2007, 02:38 PM	#3
Mike Marriage Major Player Join Date: Sep 2005 Location: NE of London, England Posts: 419	CA is caused by the lens. Which isn't all that great on the HD100. It's okay for the price, but far from perfect, so you will see some purple and green fringing.