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some more on difference between 21AF04 and 21F04
Dug up the old e-mails from imaging source on the benefits of the "AF" over the "F".... they say...
"The DMK 21AF04 has an identical mount and nearly identical form factor, however, the quality of the internal components are far superior to the DMK 21F04. This camera is a very low noise camera ....The DMK 21AF04 cameras are capable of longer integrations times and have superior digitization technology than the 21F04 models. These models have a seperate Analog Front End, DSP and firewire packet renderer, all on different layers of the board. This is much better than the problematic all in one TSB15LV01 chipset from Texas Instruments included in the 21F04 series. The bottom line is a higher quality image and more control over exposure settings and frame rates."
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