Question about Swift M4000d Stereo Professional Industrial Microscope

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Recently unearthed a SWIFT M400D microscope in our Lab and would like to make the fullest use of it?

There are a few things we would like to consider with our new found instrument. 1 - First and foremost we want to use it to analyse various paper fibres, typically whilst still as a sheet of paper, as well as looking at silicone coatings on the surface of the paper to look for faults at as close to nano scale as possible. So, best way to prepare said samples for analysis and also, best way to use the microscope to do so....? 2 - We would also like to make sure that it is in good working order and the best way to maintain it's condition. All help would be greatly appreciated. Regards Michael

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  • Michael Harvey Jul 29, 2013

    Hi everyone, just realised I mis-typed the model number. Should be M4000D.

  • Michael Harvey Jul 29, 2013

    Hi everyone, just realised I mis-typed the model number. Should be M4000D.



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SOURCE: Are spare objectives & eye

most objectives and eyepieces are interchangeable between models of microscropes. There are however a few things that you need to be aware of. On the out side of the objective there are number written on them that look similiar to this:


There maybe more writing then that, but usually at the very least you get this. The first part (100x) is the objective magnification, the 1.25 is the Numerical aperture, the 160 is the tube length (in mm), and the .17 is the cover-slip correctness. What you are most concerned with is the mechanical tube length. There are 3 common ones, 160, 210, and infinity. It is very important that you get an objective with the right tube mechanical tube length, or there is a very good chance it won't work. If you are working with slides, then it is a good idea to get one that is cover slip corrected, otherwise most of the other information is only real important to very specific applications.The other key variable is the threading. Most microscopes use what is call a standard RMS threading, however many educational or high end objectives will not have this.

The eyepieces are pretty straight forward. You just need to find one that that has an outside diameter of the sleeve that will fit the inside diameter of the tube it is going into. Beyond that, most eyepieces are pretty interchangeable amongst brands.

Posted on Jan 29, 2011


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