Not my auction, just noticed a good deal on a nikon MM base if someone wants to add some weight to their setup to get rid of those pesky vibrations . $125 with $85 shipping.
https://www.ebay.com/itm/Nikon-UM2-Meas ... %7Ciid%3A1
Good deal for microscope base
Moderators: rjlittlefield, ChrisR, Chris S., Pau
I don't know if you've seen one Lou, but keep a look out for the base which goes on those dovetails.
You usually get 50mm of micrometer x-y, and a rotating glass middle.
Only another 20kg or so.
There were simpler ones too.
If you see the one with fat encoders, they're 200mm/pi diameter; I'm sure you can work out what to do with that .
They have complex electronics inside, they aren't simple quadrature encoders, to my eyes. I didn't get the counter part, but I doubt I'd use it.
I know nothing about the base illumination system, I've not come across a manual for the UM-2.
You usually get 50mm of micrometer x-y, and a rotating glass middle.
Only another 20kg or so.
There were simpler ones too.
If you see the one with fat encoders, they're 200mm/pi diameter; I'm sure you can work out what to do with that .
They have complex electronics inside, they aren't simple quadrature encoders, to my eyes. I didn't get the counter part, but I doubt I'd use it.
I know nothing about the base illumination system, I've not come across a manual for the UM-2.
Chris R
as I looked at the first link I found those focus blocks
column only
https://www.ebay.com/itm/Stereo-Microsc ... Sw~RVZ-Y1O
column with bracket
https://www.ebay.com/itm/Microscope-Rac ... SwD99avaIq
column only
https://www.ebay.com/itm/Stereo-Microsc ... Sw~RVZ-Y1O
column with bracket
https://www.ebay.com/itm/Microscope-Rac ... SwD99avaIq
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lothman wrote:they say 0,002mm on scale, that would be the same as Nikon focus blocksLou Jost wrote:Those look nice! But I wonder, since they are for stereo microscopes, the fine focus might not be fine enough for focus stacking with high-magnification objectives?
yes, exactly the same block as used on the Optiphot microscope. In this case, the focus block *behind* it gives a much bigger range of movement, but only coarse.
regards, Mike.
Time flies like an arrow, fruit flies like bananas.
https://www.flickr.com/photos/66189529@N08/
Time flies like an arrow, fruit flies like bananas.
https://www.flickr.com/photos/66189529@N08/
My setup with a similar base
I actually use a very similar base, laid flat on it's back on a diy isolation table. I removed the optical head and attached a plate with a THK rail where the head was attached. I initially intended on using it vertically but the head wouldn't hold very much weight and had a habit of sliding down unexpectedly.
The X/Y tables pop up cheap sometimes and they are very easy to install. Did a quick search and found one actually (if I didn't have one i'd buy it!): https://www.ebay.com/itm/Nikon-37371-2- ... OSwk1haOTy~
Micrometer heads pop up cheap as well. Laying it down flat on it's back you will lose an axis of movement, but if you replace the stock springs with high tension versions, you can get that axis back if they are strong enough to pull up the stage. The springs need to be fairly strong - it's very heavy. Pretty much eliminates any vibrations. The coarse movement isn't accurate enough for high magnification, but it's useful for a quick & dirty stack with an mp-e at lower magnifications, or as a quick coarse movement with a ton of travel.
The X/Y tables pop up cheap sometimes and they are very easy to install. Did a quick search and found one actually (if I didn't have one i'd buy it!): https://www.ebay.com/itm/Nikon-37371-2- ... OSwk1haOTy~
Micrometer heads pop up cheap as well. Laying it down flat on it's back you will lose an axis of movement, but if you replace the stock springs with high tension versions, you can get that axis back if they are strong enough to pull up the stage. The springs need to be fairly strong - it's very heavy. Pretty much eliminates any vibrations. The coarse movement isn't accurate enough for high magnification, but it's useful for a quick & dirty stack with an mp-e at lower magnifications, or as a quick coarse movement with a ton of travel.