[OM] New Very High Speed CMOS imagers

Subject: [OM] New Very High Speed CMOS imagers
From: Hughes <hi100@xxxxxxxxxxxxx>
Date: Sun, 4 Jan 2009 05:17:49 -0800 (PST)
Interesting new HS imaging chips.

This is not super high resolution (3MP), but the readout rate < 1/500 sec is 
very fast for a purely electronic shutter at this resolution. 


Not needing a mechanical shutter would be big advantage:  in allowing the 
design of a much simpler, smaller,lighter cameras. As well as combined HS 
video/still cameras. 

Normally the slow electronic readout of cmos imagers in DSLRS, makes it 
essential to use a mechanical shutter. Otherwise, any moving image or hand 
shake gives very smeared picture results. 

This readout speed would translate to a 1/250 sec in a 6M size sensor. This is 
within striking distance of being fast enough for use, without any mechanical 

Tim Hughes

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