Microscope Objective N PLAN EPI 20x/0,40
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The N PLAN objective class comprises further improved achromats with good field flatness up to 25 mm. N PLAN objectives are suitable for transmitted light and DIC, N PLAN PH for phase contrast. For incident light applications including differential interference contrast (DIC), N PLAN EPI objectives are available. The N PLAN EPI BD can also be used as a darkfield objective. The N PLAN EPI incident light objectives feature excellent image contrast and safe working distances
Product No. 11566066
Objective N PLAN EPI 20x/0,40 has a magnification of 20X and a numerical aperture of 0.4. For use in dry immersion material environment and attached with an objective thread of M25 having a free working distance of 1.15mm and a FN of 22.
| Light | Transmitted Light (TL), Incident Light (IL) |
| Contrasting Methods | Brightfield, Differential Interference Contrast, Fluorescence, Qualitative Polarization, Transmitted Light Darkfield |
| Transmission | UV (340nm), UV (365nm) |
| Numerical Aperture | 0.4 |
| Objective Type | N PLAN |
| Immersion | DRY |
| Coverglass | Without Coverglass |
| Objective Thread | M25 |
| Free Working Distance (WD in mm) | 1.15 |
| Field Number (FN) | 22 |
| Magnification | 20 |
| Iris Diaphragm | NO |
| Spring Loaded | NO |
| Suitable for AFC (Adaptive Focus Control) | NO |
| Correction Ring (CORR) | NO |
| Exit Pupil Position/DIC prism | D |
| Numeric Aperture Filter | 0.35 - 0.6 |
| Magnification Filter | 20x |
| Field Number Filter | 20 - 24 |
| Working Distance Filter | 1.1 - 5 |