CHECK-MICROSCOPE  ZCM-503

                                       WITH  Apo Plan Long-Distance Objective:

                                            Apo Plan L   2X     NA= 0.055      WD=29mm

                                            Apo Plan HL  5X     NA= 0.13       WD=40mm

                                            Apo Plan L   10X    NA= 0.28       WD=31mm

                                            Apo Plan HL  20X    NA= 0.29       WD=28mm

                                            Apo Plan HL  50X    NA= 0.42       WD=18mm

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SHANGHAI ZOUSUN OPTICAL INSTRUMENT CO., LTD.
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