That's fantastic Don. I can see that with a macro lens it will work by focussing with the lens ring, however with the super macro stuff I see that I do need some type of focussing rail. Any ideas on how that can be done on the cheap? I don't happen to have a milling machine at hand.
One thought I did have was to use a device we had at school where I taught called a lab-jack (or scissor-jack) to move the subject rather than the camera. They however cost in the region of £70-£80 and can support 20kg which is rather more than a macro specimen is likely to be. A miniature version is all that would be needed but nothing seems available. Any ideas?
Dave
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