Clear field observation objective
M Plan Apo HRLong working distance objective lens with infinite conjugate focusing distance of 95mm
The chromatic aberration in the visible spectrum region is corrected, and the machined surface can be observed coaxially with the laser beam.
Can be used for laser processing at 532nm,1036-1064nm.
HR-type objective lens comes with a protective glass with a thickness of 18mm, which can be easily replaced.
specification:
| product name | Article number | Numerical aperture | Working distance | Focal length | Resolution | Focal depth | Objective feld number（mm） | weight | |
| NA | WD（mm） | f(mm) | R（um） | ±D.F（um) | ø24eyepiece | 1”camera | （g） | ||
| M Plan Apo NIR 20X | 0176-9020-1000 | 0.42 | 20 | 10 | 0.65 | 1.56 | 1.2 | 0.48×0.64 | 377 |
| M Plan Apo NIR 50X | 0176-9050-1000 | 0.55 | 13 | 4 | 0.50 | 0.91 | 0.48 | 0.19×0.26 | 394 |
| M Plan Apo HR NIR 20X | 0281-9020-1001 | 0.6 | 9.5 | 10 | 0.46 | 0.76 | 1.2 | 0.48×0.64 | 563 |
| i Plan Apo HR NIR 50X | 0104-9050-1001 | 0.67 | 10 | 4 | 0.41 | 0.61 | 0.48 | 0.19×0.26 | 470 |
| M Plan Apo HR NIR 50X | 0293-9050-1001 | 0.75 | 4 | 4 | 0.37 | 0.49 | 0.48 | 0.19×0.26 | 582 |
* Resolution and objective focal depth are calculated based on the reference wavelength λ=550nm
Exterior dimensional drawing:
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