Darkfield Slider for Leica DM500 & DM750 Microscope Condensers
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Darkfield slider for Leica DM500 and DM750 microscopes, with positioning detent grooves.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Chemistry & Biology
- Licencja
- Creative Commons — Attribution
Leica wanted to charge me a small fortune for a darkfield slider, so I made my own.
This darkfield patch slots directly into the Leica Slotted Abbe Condenser (Leica Part Number: 13 613 550) common to the Leica DM500 and DM750 microscopes, enabling some cheap yet effective darkfield microscopy.
After extensive experimentation the central patch has been set to a diameter of 12mm, and the side grooves are precisely positioned to engage with the condenser's internal spring ball detent, snapping into perfect alignment with the optical axis.
I burned through a lot of filament iterating the design tolerances for this one so I hope someone out there finds it useful!
Print Suggestions
Material: Use a matte filament to avoid light scatter from the patch supports. Printing in a non-black colour will give a tint to the darkfield background. (The darkfield patch used in the example tardigrade image was printed with blue filament.)
Layer Height: 0.12mm - 0.16mm for smooth detent curves.
Infill: 100% for longterm durability.
Post-Processing: Depending on print quality the ball grooves may benefit from a gentle pass with a fine sandpaper.