Was browsing the Web and came across this article. I don't know if it has been linked to before?
http://www.microscopy-uk.org.uk/mag/art ... lides.html
DaveW
Photomacrography of Microscope Slides
Moderators: rjlittlefield, ChrisR, Chris S., Pau
-
augusthouse
- Posts: 1195
- Joined: Sat Sep 16, 2006 1:39 am
- Location: New South Wales Australia
I went through the Student Links at the bottom of the above aritcle and found one on stacking using a copy stand and a lab jack:-
http://www.microscopy-uk.org.uk/mag/art ... kl-cz5.pdf
I would have thought a lab jack would have been rather too coarse an adjustment for stacking, at least at higher magnifications? Also their height adjustment is non linear, at least with the one I have, as it uses the "lazy tongs" principle, so the higher it gets the quicker it rises per turn of the adjustment knob.
DaveW
http://www.microscopy-uk.org.uk/mag/art ... kl-cz5.pdf
I would have thought a lab jack would have been rather too coarse an adjustment for stacking, at least at higher magnifications? Also their height adjustment is non linear, at least with the one I have, as it uses the "lazy tongs" principle, so the higher it gets the quicker it rises per turn of the adjustment knob.
DaveW
-
microcollector
- Posts: 261
- Joined: Wed Mar 14, 2007 7:19 pm
- Location: Port Orchard, Washington
I use a micrometer driven z-axis stage that I purchased from Edmunds Optical. It has 1 cm of total travel and can be adjusted in .01 mm with ease as that it the division on the micrometer thimble. I had used a lab jack at one time and this is a vast improvement as it eliminates any slop. It has worked well for photographing minerals. The only drawback would be the cost, $360.00 US.
Doug
Doug
micro minerals - the the unseen beauty of the mineral kingdom
Canon T5i with Canon 70 - 200 mm f4L zoom as tube lens set at 200mm, StacK Shot rail, and Mitutoyo 5X or 10X M plan apo objectives.
My Mindat Mineral Photos
http://www.mindat.org/user-362.html#2
Canon T5i with Canon 70 - 200 mm f4L zoom as tube lens set at 200mm, StacK Shot rail, and Mitutoyo 5X or 10X M plan apo objectives.
My Mindat Mineral Photos
http://www.mindat.org/user-362.html#2
-
augusthouse
- Posts: 1195
- Joined: Sat Sep 16, 2006 1:39 am
- Location: New South Wales Australia
Hi Doug,
I've been building a positioner using similar components to those you mentioned for 'fine focus'.
See thread here
The precision and build quality deserve respect. You can usually buy S/H units and components at reasonable prices. The options are almost endless in regard to add-ons.
DaveW, I've been reading through some of the other articles also. It's always good to see other peoples' methods and approach. I didn't know what a 'thimble lens' was and then worked out from some of the student's setups displayed that I have at least two of them.
I know this forum would be of priceless help to any serious student and any seasoned professional for that matter. The vast and respectable array of tutors and mentors we have here, not to mention the accumulated years of experience, quite often astounds me - a humble apprentice.
Craig
I've been building a positioner using similar components to those you mentioned for 'fine focus'.
See thread here
The precision and build quality deserve respect. You can usually buy S/H units and components at reasonable prices. The options are almost endless in regard to add-ons.
DaveW, I've been reading through some of the other articles also. It's always good to see other peoples' methods and approach. I didn't know what a 'thimble lens' was and then worked out from some of the student's setups displayed that I have at least two of them.
I know this forum would be of priceless help to any serious student and any seasoned professional for that matter. The vast and respectable array of tutors and mentors we have here, not to mention the accumulated years of experience, quite often astounds me - a humble apprentice.
Craig