- Metallurgical Objective
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Objectives for Metallurgical microscope
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Name (objectives)
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Magnification
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Numerical aperture(N.A)
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Working distance (mm)
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Conjugate distance(mm)
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Jiao Qi distance(mm)
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Plan Achromatics
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2.5X
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0.08
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9.313
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195
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45
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4X
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0.10
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17.912
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10X
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0.25
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15.210
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20X(S)
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0.40
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1.050
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25X(S)
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0.40
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1.372
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40X(S)
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0.65
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0.741
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50X(S)
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0.75
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0.609
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60X(S)
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0.75
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0.584
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80X(S)
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0.80
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0.335
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100X(S, O)
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1.25
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0.524
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Plan LWD Achromatics
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4X
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0.10
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24.78
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195
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45
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10X
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0.25
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15.12
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20X
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0.40
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5.889
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40X
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0.60
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3.900
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Plan LWD Achromatics
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4X
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0.10
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37.50
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195
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45
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10X
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0.25
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6.54
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20X
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0.40
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9.00
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40X
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0.60
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3.80
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50X
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0.70
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3.00
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80X
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0.80
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1.08
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Infinity Plan Achromatics
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2.5X
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0.07
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8.466
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∞
f T=180
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45
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5X
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0.12
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26.477
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10X
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0.25
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7.175
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20X(S)
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0.40
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1.078
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40X(S)
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0.65
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0.74
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50X(S)
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0.75
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0.498
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60X(S)
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0.75
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0.530
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80X(S)
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0.85
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0.583
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100X(S, O)
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1.25
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0.337
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100X(S) DRY
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0.85
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0.454
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Infinity Plan Achromatics
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4X
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0.10
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17.416
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∞
f T=200
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45
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10X
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0.25
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16.29
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20X(S)
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0.45
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1.06
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40X(S)
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0.65
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0.70
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50X(S)
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0.75
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0.562
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60X(S)
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0.75
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0.579
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100X(S, O)
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1.25
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0.33
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Infinity M Plan APO Achromatic
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∞
fT=200
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45
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250X
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0.70
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2.00
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500X
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0.75
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1.96
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Infinity Plan LWD Achromatics
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4X
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0.10
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25.00
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∞
f T=200
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45
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10X
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0.28
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16.50
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20X(S)
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0.40
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8.20
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40X(S)
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0.60
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3.00
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50X(S)
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0.75
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1.9
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80X(S)
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0.90
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0.90
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100X(S) Dry
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0.80
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3.01
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Infinity Plan LWD Achromatic
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2X
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0.055
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23.10
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∞
fT=200
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60
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5X
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0.12
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31.20
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10X
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0.22
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25.00
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20X
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0.40
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10.50
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50X
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0.55
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7.00
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100X(Dry)
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0.72
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2.30
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Infinity Plan LWD Achromatic
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2.5X
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0.07
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9.20
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∞
f T=200
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45
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5X
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0.12
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13.00
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10X
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0.25
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18.20
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20X
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0.40
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10.50
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50X
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0.55
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7.00
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100X(Dry)
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0.72
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2.30
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