Optics
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46164 4
Set of 4 aperture diaphragms
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44289 4
Magazine box
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47175 4
Optical accessories set
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47151 4
Ruled grating, 1000/cm (metal)
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47127 4
Holographic grating in frame
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47202 8
Calcite crystal, birefringent
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472401 4
Polarisation filter
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472601 8
Quarter-wavelength plate, 140 nm
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47259 8
Half-wavelength plate
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47195 4
Photoelastic models, set of 4
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