[Elphel-support] rolling shutter or global shutter

[Servaas van Mensvoort - Maxifoto International BV]

Dear Andrey,

I'm a bit confused now.
On aptina's website i read that the MT9P006 has shuttertype ERS 
In the datasheet for the MT9P006 i can read that among the feartures
is "snapshot modes" and "global reset".
I thought these last 2 features belonged to global shutter camera's.
So can you tell me if your camera is good to use with flash?
And if not would it be possible to use the aptina MT9P031sensor
instead?

Regards,
Servaas.

Op Vrijdag, 11-10-2013 om 18:52 schreef support-list:

Dear Servaas,

Rollins shutter sensors have both advantages and disadvantages
compared to snapshot ones, so it is difficult to reply about "good
quality pictures". You may find illustrations of the artifacts of the
of the high-resolution snapshot shutter CCD
http://wiki.elphel.com//index.php?title=File:Image_sensors_and_shutter_related_artifacts.odp
(LibreOffice presentation). Rolling shutter works for any resolution
sensors (5MPix Aptina sensor we use can go down to ~1/40,000 (one scan
line at full resolution).

That said, a strobe flash is better for snapshot shutters as it
cancels the snapshot shutter weak spot - poor shutter ratio for high
resolution sensors, unwanted light leak to the pixels (or moving pixel
charges in case of the CCD) waiting to be readout after exposure.

Andrey

---- On Fri, 11 Oct 2013 02:51:19 -0700 SERVAAS VAN MENSVOORT -
MAXIFOTO INTERNATIONAL BV  wrote ---- 

Dear Sir/Madam

I would like to know if the NC353L-369 can make good quality pictures
of moving objects.
Similar to a simple consumer camera at shutterspeed 1/1250.
I'm planning to use a strobe flash.
Will the rolling shutter be able to make a good picture or should i
search for a global shutter camera?

Kind regards,

 S. van Mensvoort 

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