Please upload frame grabs of Chromatic Aberration at DVinfo.net

Tim Dashwood · August 7th, 2009, 06:14 PM

Please upload your worst frame grabs (in full resolution please) of.

1. Green/Magenta fringing on high-contrast edges

2. Green at top/Magenta at bottom (or vise-versa) aberration requiring white shading adjustment.

3. Split-screen Effect (if anyone still gets it.)

Use the "Manage Attachments" button when you post a reply to upload a still frame. Please also mention which lens you used.

As some of you may already know I've been working on writing a FCP/Avid/AE/Motion plugin solution to compensate for the types of chromatic aberration inherit in the old stock 16x5.5 lens. It would help if I had more real-world samples.

Thanks,

Eugen Oprina · August 10th, 2009, 06:07 AM

HM 700, 3,5X13,F2
The elbow.
A plugin to solve this issue will be very welcome.
Good luck
Eugen

Kennedy Maxwell · October 4th, 2009, 07:26 PM

Tim -

Have you been able to complete your plug-in for chromatic aberration?

Regards,

Ken

Tim Dashwood · October 5th, 2009, 01:21 AM

I'm sorry to say it's actually pretty low on my personal priority list. I have the Complete Guide to ProHD Volume II DVD, Stereo3D Toolbox support/development and my day-to-day clients taking up 100% of my time right now.
I have had some success with CA compensation in FCP but it isn't ready for primetime yet.

Claude Mangold · February 22nd, 2010, 02:13 AM

Eugen,doesn't this look more like fringing ? you've got a shady underside of elbow against a very bright (maybe even in parts blown) surface on the wall. and on the dark blue edge of dress next.

I'm not really sure any digital cam could handle such enormous contrast without any side effects.

For me, I'd be worried about the green rim on the wall top, and aren't there just hints of real CA in the out-of-focus metal fence?

I'll upload some images of CA with a Zeiss Prime soon. at deliberately blown whites.

August 7th, 2009, 06:14 PM	#1
Tim Dashwood Wrangler Join Date: Aug 2005 Location: Toronto, ON, Canada Posts: 3,637	Please upload frame grabs of Chromatic Aberration Please upload your worst frame grabs (in full resolution please) of. 1. Green/Magenta fringing on high-contrast edges 2. Green at top/Magenta at bottom (or vise-versa) aberration requiring white shading adjustment. 3. Split-screen Effect (if anyone still gets it.) Use the "Manage Attachments" button when you post a reply to upload a still frame. Please also mention which lens you used. As some of you may already know I've been working on writing a FCP/Avid/AE/Motion plugin solution to compensate for the types of chromatic aberration inherit in the old stock 16x5.5 lens. It would help if I had more real-world samples. Thanks, __________________ Tim Dashwood

August 10th, 2009, 06:07 AM	#2
Eugen Oprina Major Player Join Date: Aug 2005 Location: Bucharest Romania Posts: 221	Recent one HM 700, 3,5X13,F2 The elbow. A plugin to solve this issue will be very welcome. Good luck Eugen Attached Thumbnails

October 4th, 2009, 07:26 PM	#3
Kennedy Maxwell Regular Crew Join Date: May 2007 Location: Maryville, Tennessee Posts: 65	Tim - Have you been able to complete your plug-in for chromatic aberration? Regards, Ken __________________ Ken

October 5th, 2009, 01:21 AM	#4
Tim Dashwood Wrangler Join Date: Aug 2005 Location: Toronto, ON, Canada Posts: 3,637	I'm sorry to say it's actually pretty low on my personal priority list. I have the Complete Guide to ProHD Volume II DVD, Stereo3D Toolbox support/development and my day-to-day clients taking up 100% of my time right now. I have had some success with CA compensation in FCP but it isn't ready for primetime yet. __________________ Tim Dashwood

February 22nd, 2010, 02:13 AM	#5
Claude Mangold Major Player Join Date: Dec 2006 Location: Berlin and Geneva Posts: 259	Eugen,doesn't this look more like fringing ? you've got a shady underside of elbow against a very bright (maybe even in parts blown) surface on the wall. and on the dark blue edge of dress next. I'm not really sure any digital cam could handle such enormous contrast without any side effects. For me, I'd be worried about the green rim on the wall top, and aren't there just hints of real CA in the out-of-focus metal fence? I'll upload some images of CA with a Zeiss Prime soon. at deliberately blown whites.