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(11)
    • €41.50 €49.39
      Art.Nr: P80037
      Since crystal lattice plane spacings are accurately known from x-ray measurements, they provide a good test of microscope stability and a calibration of magnification in the upper range of magnification of the instrument.
      €41.50 €49.39
      • €59.50 €70.81
        Art.Nr: P80036
        Since crystal lattice plane spacings are accurately known from x-ray measurements, they provide a good test of microscope stability and a calibration of magnification in the upper range of magnification of the instrument.
        €59.50 €70.81
        • €38.10 €45.34
          Art.Nr: P80035
          Since crystal lattice plane spacings are accurately known from x-ray measurements, they provide a good test of microscope stability and a calibration of magnification in the upper range of magnification of the instrument.
          €38.10 €45.34
          • €38.10 €45.34
            Art.Nr: P80020
            Evaporated Pt/Ir on Holey carbon film. Holey carbon film support provides holes for ease of focus and astigmatism correction. The dots of evaporated Pt/Ir provide dense particles for resolution checks through the particle seperation test.
            €38.10 €45.34
            • €84.20 €100.20
              Art.Nr: P80014
              Catalase crystals are mounted on a grid and negatively stained. They display very clear lattice plane spacings of approx. 8.75nm and 6.85nm. Ideal for high magnification calibration.
              €84.20 €100.20
            • €610.10 €726.02
              • €60.00 €71.40
                Art.Nr: P79502-20
                This Test Specimen is made of a 5x5mm square of single crystal silicon. It is photo-etched and the squares repeat every 10µm. The dividing lines are 1.9µm wide. A broader etching line is written every 500µm, which is useful in light microscopy.
                €60.00 €71.40
                • €45.40 €54.03
                  Art.Nr: P79502-12
                  This Test Specimen is made of a 5x5mm square of single crystal silicon. It is photo-etched and the squares repeat every 10µm. The dividing lines are 1.9µm wide. A broader etching line is written every 500µm, which is useful in light microscopy.
                  €45.40 €54.03
                  • €432.10 €514.20
                    Art.Nr: P79502-10
                    This Test Specimen is made of a 5x5mm square of single crystal silicon. It is photo-etched and the squares repeat every 10µm. The dividing lines are 1.9µm wide. A broader etching line is written every 500µm, which is useful in light microscopy.
                    €432.10 €514.20
                    • €44.60 €53.07
                      Art.Nr: P79502-01
                      This Test Specimen is made of a 5x5mm square of single crystal silicon. It is photo-etched and the squares repeat every 10µm. The dividing lines are 1.9µm wide. A broader etching line is written every 500µm, which is useful in light microscopy.
                      €44.60 €53.07
                      • €325.70 €387.58
                        Art.Nr: PY68038-25
                        The pair of dots, which appear to merge into a single dot, determines the amount of vibration of the slide in the appropriate axis. The pattern on the S25 is an array of 20 pairs of dots converging on a single dot.
                        €325.70 €387.58