User:Pranav Rathi/Notebook/OT/2010/12/10/Olympus Water Immersion Specs
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Water immersion objective details
WE are using Olympus UPLANSAPO (UIS 2) water immersion IR objective for DNA stretching and unzipping. The detail specifications of the objective can be found in the link:[1] Other specification are as follows;
| Mag | 60X |
| Wavelength | 1064 |
| NA | 1.2 |
| medium | water |
| Max ray angle | 64.5degrees |
| f # | 26.5 |
| Effective FL in water | 1.5 to 1.6mm (distance between the focal spot and the exit aperture surface) |
| Entrance aperture diameter | 8.5mm |
| Exit aperture diameter | 6.6mm |
| Working distance | .28mm |
| Cover glass correction | .13 to .21 (we use .15) |
