sample 42 

i wanted to do steel wool (anisotropic) but the images looked 
not good, all sorts of colored pixels and hardly any structure 
visible. we saw the same thing to a lesser extend also in the 
styrofoam. it seems that a videocamera is not a good device to 
image these kind of objects (yesterday we made a movie with 
Maria's christmas balls model texture and we saw the same 
thing: lots of colours that aren't there). So I will skip the 
steel wool.

sample 42: ribbed cloth (anisotropic)

aperture at 11
zoom at 1 tick above 60
parameters z=360 p=21 (odd high) l=166
roll angles 90 0

11:09am start measuring

i noticed an error in one of the images (a white line 
somewhere).
this is a camera/framegrabber mistake and it happens sometimes, 
so we should be aware of this in the processing

1:30pm finished

i checked with the spotmeter, the beam is as homogeneous as it 
was. no need for action.