What is the size of the object to be photographed?

~50 micron

Is it two dimensional?

3D

Is it important to keep the entire depth in focus?

No.

How much depth is there?

They are roughly spherical in shape.

Is the surface shiny or flat?

Not sure. Not important. Suspended, submerged in clear water, so of high
contrast.

Is there a lot of detail?

No. Confirming presence and number will be sufficient.

Does the subject move?

No.

What type of camera are you using or do you have available?

Have Canon P&S A95 digital.

How will the results be viewed? Digital photos to be e-mailed to other
researchers.
--
Dr. Leonard. H. McCoy
"I'm a *doctor*, Jim, not a *magician*!"