sample 61 moss
this is a very small sample, it's the best i could get
it's flat enough. But it's very strange: this one gets brighter 
at high angles. That is because at high angles the hairs of the 
moss are view from the side and then they are much brighter. 
When you view it head on you see more of the soil underneath.

aperture: 2, we never had it so wide open
zoom: maximum
parameters: 

upper strip in calibration not usable, maybe middle strip also 
unusable. measurements for upper strip not performed

standard gray is completely white, skipped millimeter paper

i attached the sample with two nails with their heads cut off. 
They're not visible, i think.

2:00 pm finished!

Now I'll do a full lamp calibration. Since I'm left with only 
one hard-disk there is no time to do any more samples.

lamp calibration in 960223