Colour casting from stock lens at DVinfo.net

Ron German · September 25th, 2008, 01:25 PM

Hi
I gess someone has talked about it.
I have noticed a magenta/pink colour casting in the upper part of the frame and a greenish downside of the frame, mainly when the iris is wide opened.
Is this a "special deffect" from the stock zoom lens or from the camera itself?
Thanks
Ron

Drew Cusick · September 25th, 2008, 01:35 PM

It's the lens. You can use the camera's "shading" feature to limit it.

Marc Colemont · September 25th, 2008, 01:44 PM

CA : Chromatic Aberration, if you do a search on this form or Wikipedia you will find lot's of info about it.

Tim Dashwood · September 25th, 2008, 04:15 PM

"Lens shading" is only available on HD200 series cameras. HD100 series cameras don't have it.

You can also avoid this issue by closing the iris to at least F/2.8. The CA will be worst at F/1.4.

Ron German · September 26th, 2008, 01:37 PM

Thank you all.
I ask myself if it worth buying the camera with this lens, even costing around U$800,00, with such big limitation, because I can`t (difficult) deal with depth of field and other situations.
Regards
Rona

Dennis Robinson · September 26th, 2008, 04:03 PM

Quote:

Originally Posted by Ron German

Thank you all.
I ask myself if it worth buying the camera with this lens, even costing around U$800,00, with such big limitation, because I can`t (difficult) deal with depth of field and other situations.
Regards
Rona

Millions of people have this camera and love it. Using any pro equipment has to be learnt.

Werner Wesp · September 29th, 2008, 05:14 AM

It is indeed the shading that needs to be set (CA has nothing to do with this, it's also no defect). On the HD200 you can set it (and therefore get rid of it), on the HD100 it is alas fixed.
You will notice however that the shading is aperture-related and the gradient will become invisible at F2.0 or more. It shouldn't be a problem in any real situation.

I say all this, supposing the lens hasn't had any knocks and stuff...

Ron German · September 29th, 2008, 01:04 PM

Thank you Werner, I think you got the point.
My lens is like new, no "knocks and stuff".
Ron

September 25th, 2008, 01:25 PM	#1
Ron German Major Player Join Date: Feb 2005 Location: Rio de Janeiro - Brasil Posts: 304	Colour casting from stock lens Hi I gess someone has talked about it. I have noticed a magenta/pink colour casting in the upper part of the frame and a greenish downside of the frame, mainly when the iris is wide opened. Is this a "special deffect" from the stock zoom lens or from the camera itself? Thanks Ron

September 25th, 2008, 01:44 PM	#3
Marc Colemont Major Player Join Date: Nov 2005 Location: Belgium Posts: 695	CA : Chromatic Aberration, if you do a search on this form or Wikipedia you will find lot's of info about it. __________________ Marc Colemont - Belgium - http://www.mc-productions.be JVC GY-HM850's, HM890, HM600

September 25th, 2008, 04:15 PM	#4
Tim Dashwood Wrangler Join Date: Aug 2005 Location: Toronto, ON, Canada Posts: 3,637	"Lens shading" is only available on HD200 series cameras. HD100 series cameras don't have it. You can also avoid this issue by closing the iris to at least F/2.8. The CA will be worst at F/1.4. __________________ Tim Dashwood

September 29th, 2008, 05:14 AM	#7
Werner Wesp Major Player Join Date: Aug 2005 Location: Belgium Posts: 497	It is indeed the shading that needs to be set (CA has nothing to do with this, it's also no defect). On the HD200 you can set it (and therefore get rid of it), on the HD100 it is alas fixed. You will notice however that the shading is aperture-related and the gradient will become invisible at F2.0 or more. It shouldn't be a problem in any real situation. I say all this, supposing the lens hasn't had any knocks and stuff... __________________ High-Definition Video Consultant - CEO of Delimex NV - http://www.delimex.be gear of choice : http://www.wespgear.com

September 25th, 2008, 01:35 PM	#2
Drew Cusick Regular Crew Join Date: Jan 2006 Location: Yorba Linda, CA Posts: 65	It's the lens. You can use the camera's "shading" feature to limit it.

September 26th, 2008, 01:37 PM	#5
Ron German Major Player Join Date: Feb 2005 Location: Rio de Janeiro - Brasil Posts: 304	Thank you all. I ask myself if it worth buying the camera with this lens, even costing around U$800,00, with such big limitation, because I can`t (difficult) deal with depth of field and other situations. Regards Rona

September 29th, 2008, 01:04 PM	#8
Ron German Major Player Join Date: Feb 2005 Location: Rio de Janeiro - Brasil Posts: 304	Thank you Werner, I think you got the point. My lens is like new, no "knocks and stuff". Ron