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EA-SERIES ACHROMATS AND PLAN ACROMATS OBJECTIVES
| EA-Series Objectives (Mechanical Tube Length: 160mm; Parfocal Distance: 33mm) | |||||
| Type | Magnification | Field Flatness | Numerical Aperture | Working Distance (mm) | |
| EAB Achromats | Dry | 4X | Plan | 0.12 | 23.40 |
| 10X | Plan | 0.25 | 7.10 | ||
| 20X | Flat Field | 0.40 | 1.70 | ||
| 40X* | Flat Field | 0.65 | 0.41 | ||
| Oil Immersion | 50X* ** | Flat Field | 1.00-0.70 | 0.22 | |
| 100X | Flat Field | 1.25 | 0.10 | ||
| EAP Achromats for Phase Contrast | Dry | 10X | Flat Field | 0.30 | 7.24 |
| 20X | Flat Field | 0.40 | 1.70 | ||
| 40X | Flat Field | 0.65 | 0.55 | ||
| Oil Immersion | 100X* | Flat Field | 1.25 | 0.10 | |
| EAF Achromats for Epi-Fluorescence | Dry | 10X | Flat Field | 0.40 | 3.08 |
| 20X | Flat Field | 0.40 | 1.70 | ||
| Water Immersion | 30X** | Flat Field | 0.90 | 1.16 | |
| Oil Immersion | 90X* | Flat Field | 1.25 | 0.10 | |
*Spring-loaded, **With Iris diaphragm
Application:
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