I got both a genuine Manfrotto 323 and the 12$ ebay clone and took some pictures for you to compare. The Manfrotto one looks more valuable. The release lever of the clone is a bit loose bit holds the plates in very well. The Manfrotto plates fit the clone very well too.
I think the clone is good enough for what I’m doing with it so I will stick with it.
I made another Infrared vs. RGB comparison but this time with different wavelength Infrared-cut filters.
I took this pictures on 14th Nov. 2015 at the Alte Donau subway station in Vienna/Austria.
You can click the knob (< >) and move the slider. By clicking the buttons you can load different wavelength images and their description texts to compare.
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EV calculated usind this Calculator