CMOS Global Shutter at DVinfo.net

Rick Bolton · April 12th, 2009, 09:08 AM

In December 2003 Kodak released the linked Application Note for CMOS Global Shutter.

Any ideas as to why - in April 2009 - we are still dealing with motion and flash artifacts caused by CMOS rolling shutter?

http://www.isgchips.com/pdf/Shutter_...k_App_Note.pdf

Tripp Woelfel · April 13th, 2009, 08:52 PM

It's starting to happen, I think. There's a camera I read about that solves the rolling shutter effect. Unfortunately, I can't remember which model.

I think we're still saddled with this problem because of manufacturing lead times and inventory. Although technology seems to change overnight. The reality is it takes time for these new revelations to trickle down through the supply chain. Since "global shutter" CMOS chips are apparently available, it would be logical to assume they'd show up in a bunch of cameras before long.

Rick Bolton · April 13th, 2009, 09:22 PM

Tripp - yikes - the Kodak notes were 2003 :-0

Everyone of the new camcorders I am looking at have one or two "show stoppers". Oddly - some other manufacturer does not have those show stoppers but some different ones.

Some other thread hit it on the head - they need to get together and compare notes. Of course that would reduce our trading cameras in search of the perfect solution - lower sales.

Simon Wyndham · April 21st, 2009, 01:07 PM

You can have global shutter CMOS chips, but they are expensive and complex to produce. So if they did come about you would see them on the high end before the low end.

Tripp Woelfel · April 21st, 2009, 07:25 PM

Excellent point. Prices will drop as the manufacturing intricacies are simplified.

I only hope I live long enough to see it.

April 12th, 2009, 09:08 AM	#1
Rick Bolton Regular Crew Join Date: Oct 2008 Location: Palo Alto California Posts: 110	CMOS Global Shutter In December 2003 Kodak released the linked Application Note for CMOS Global Shutter. Any ideas as to why - in April 2009 - we are still dealing with motion and flash artifacts caused by CMOS rolling shutter? http://www.isgchips.com/pdf/Shutter_...k_App_Note.pdf

April 13th, 2009, 08:52 PM	#2
Tripp Woelfel Trustee Join Date: Jan 2008 Location: North Conway, NH Posts: 1,745	It's starting to happen, I think. There's a camera I read about that solves the rolling shutter effect. Unfortunately, I can't remember which model. I think we're still saddled with this problem because of manufacturing lead times and inventory. Although technology seems to change overnight. The reality is it takes time for these new revelations to trickle down through the supply chain. Since "global shutter" CMOS chips are apparently available, it would be logical to assume they'd show up in a bunch of cameras before long.

April 13th, 2009, 09:22 PM	#3
Rick Bolton Regular Crew Join Date: Oct 2008 Location: Palo Alto California Posts: 110	Tripp - yikes - the Kodak notes were 2003 :-0 Everyone of the new camcorders I am looking at have one or two "show stoppers". Oddly - some other manufacturer does not have those show stoppers but some different ones. Some other thread hit it on the head - they need to get together and compare notes. Of course that would reduce our trading cameras in search of the perfect solution - lower sales.

April 21st, 2009, 01:07 PM	#4
Simon Wyndham Trustee Join Date: Dec 2003 Location: Malvern UK Posts: 1,931	You can have global shutter CMOS chips, but they are expensive and complex to produce. So if they did come about you would see them on the high end before the low end.

April 21st, 2009, 07:25 PM	#5
Tripp Woelfel Trustee Join Date: Jan 2008 Location: North Conway, NH Posts: 1,745	Excellent point. Prices will drop as the manufacturing intricacies are simplified. I only hope I live long enough to see it.