Diatom

Written by Redaktion on 02 December 2012. Posted in Ergonom Technologie

Historically, the diatom Amphipleura pellucida has often been used to test the resolution of microscopes. The holes have a diameter of just 180nm which is a challenge for all light microscopes to see. Here are some examples imaged through the Ergonom 500 microscope (same resolution capability as Ergonom 4000).

To see the images at full resolution, just click on them.

(Note: Magnifications given relate to a picture size of DIN A4).

apellucida6308

Amphipleura pellucida: 6308x Holes cannot be seen clearly at this magnification

apellucida8705

Amphipleura pellucida: 8705x Holes can now be seen

diatom

DSCN0781 sjxywx2s

DSCN0792

diatom-tf

Diatom Triceratium favus (2020x)

Live Cells

Written by Redaktion on 27 November 2012. Posted in Ergonom Technologie

Live Cells

Depth of Field

Written by Redaktion on 27 November 2012. Posted in Ergonom Technologie

Depth of Field

No Staining

Written by Redaktion on 27 November 2012. Posted in Ergonom Technologie

No Staining

Resolution up to 100nm

Written by Redaktion on 27 November 2012. Posted in Ergonom Technologie

The following pictures show a test chip made for the Physikalisch-Technische Bundesanstalt (PTB) (German Physical and Technical standardisation organisation), Braunschweig which Kurt Olbrich was involved in the development of.

This slide is designed for reflected light only and we have found it to be of excellent quality for testing our microscopes down to 100nm. On the micrometer scale, the distance measured is that between the first two lines (1 micrometer = 1000nm)

All Images were made with the Ergonom 500 microscope by Kurt Olbrich. The Ergonom 4000 has the same optical resolution capabilities.