Long Working Distance Objective Lenses (45mm parfocal distance) / EPL_EPLE
With its long working infinity correction function; this objective lens can be used for a laser system and coaxial observation. The objective will allow user to focus a visible laser or microscopic observation of objects from a distance.
Chromatic aberration is corrected in the visible range (400 − 700nm).It is possible to improve the response speed in the driving mechanism of the 45mm parfocal objective lens (SFS-OBL/ SFAI-OBL); with a lightweight auto focusing solution.
Specifications
Part Number | Magnification | Focal length | NA | Working Distance WD |
Resolution | Focal depth | Pupil diameter | Real field of view (Eyepiece φ24mm) |
Real field of view (Imaging device1/2-inch) |
Weight |
---|---|---|---|---|---|---|---|---|---|---|
EPL-5 | 5x | 40mm | 0.13 | 11.6mm | 2.1μm | ±16.3μm | φ10.4mm | φ4.8mm | 0.96×1.28mm | 0.085kg |
EPL-10 | 10x | 20mm | 0.30 | 6.4mm | 0.9μm | ±3.1μm | φ12.0mm | φ2.4mm | 0.48×0.64mm | 0.085kg |
EPLE-20 | 20x | 10mm | 0.40 | 11.1mm | 0.7μm | ±1.7μm | φ8.0mm | φ1.2mm | 0.24×0.32mm | 0.085kg |
EPLE-50 | 50x | 4mm | 0.55 | 8.2mm | 0.5μm | ±0.9μm | φ4.4mm | φ0.48mm | 0.10×0.13mm | 0.095kg |
EPLE-100 | 100x | 2mm | 0.80 | 2.0mm | 0.3μm | ±0.4μm | φ3.2mm | φ0.24mm | 0.05×0.06mm | 0.105kg |
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