In a message dated 25/04/2010, gmvoeth@........... writes:

Has  anyone tried to use a microscope for measuring small motions or
magnified  video cameras ?



Hi Geoff,
 
    You are then limited by the wavelength of the  light, which is about 
1/2 micron. You need resolutions of 1/10 to 1/100 of this  for earthquakes.  
 
    Regards,
 
    Chris Chapman






In a message dated 25/04/2010, gmvoeth@........... writes:
Has=20
  anyone tried to use a microscope for measuring small motions or
magni=
fied=20
  video cameras ?


Hi Geoff,
 
    You are then limited by the wavelength of the=
=20
light, which is about 1/2 micron. You need resolutions of 1/10 to 1/100 of=
 this=20
for earthquakes.  
 
    Regards,
 
    Chris Chapman