Malaria Detection Microscope India, Asia
Quality Scientific & Mechanical Works
ESTD. 1961
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QBC Microscope QBC Microscope-Wavelength
The cutaway diagram above demonstrates technology behind the QU BC QUS-5Lens Advance fluorescent microscope attachment.

(1) This is used to easily attach the QU BC QUS-5Lens Advance main body to any compound light microscope as an objective (Note: Adapter rings are available for non-standard sizes). All filters are contained in a detachable filter set arm

(2) This can be removed to easily switch between objectives. The QU BC QUS-5Lens Advance utilises epi-fluorescence microscopy, meaning that the light is transmitted from above the sample, rather than passing through from below. The QUS-5Lens Advance's light comes from its LED light source, which attaches to the distal end of the filter set arm

(3) It is producing blue light with a 410-511 nm wavelength. After passing through the focusing lens

(4) The light in the filter set arm then passes through an excitation filter

(5) This only allows light in the 385-480 nm range to pass into the main chamber. A dichroic beam splitter

(6) This directs blue light toward the sample, where it will excite any substances that have absorbed fluorescent stain. The emitted light from the sample is focused by powerful objective lenses

(7) It is travels back toward the viewer. The emitted light now has a longer wavelength than blue light, which allows it to pass through the dichroic mirror. An emission filter

(8) This is present to reduce background noise and optimise the signal for viewing.