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Long Working Distance Objective Lens 200mm Focal Length 1x Working Distance 11mm

PAL-1

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The long working distance objective lens infinity correction function and par focal length 95mm 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).
◦PAL/PAL-L has a long working distance and a corrected field curvature. Its natural observation image is obtained to the periphery of the visual field.
More Information
Name Long Working Distance Objective Lens 200mm Focal Length 1x Working Distance 11mm
Weight 0.3000kgs
Standard Coatings Available No
Guide ◦A wavelength plate unit (λ/4) is included with this objective lens.
◦Available fixed objective lens holder (LHO-26).
◦When the objective lens is fixed to a 2 axis holder, please consult our Sales Division.
◦For laser processing
Attention
  • When an objective lens is used in laser processing, use the diameter of the incident beam to extend to a size of half the pupil diameter (1/e2). A small light spot cannot be achieved when the incident beam is too narrow. Please note if there is a laser energy density increase, there will be a high possibility of damage to the objective lens.
  • The surface of an objective lens can be contaminated by debris during processing. To avoid this, please have sufficient working distance (WD) and insert a thin protective glass on the objective.
  • Magnification is the value when using the imaging lens f=200mm. When used in a microscope lens barrel from other manufacturers there may be different magnifications. The actual magnification should be calculated from the ratio of the focal length of the objective lens and the focal length of the imaging lens to verify the focal length of the imaging lens barrel to be used.
Focal length 200mm
Magnification 1x
Numerical Aperture 0.025
Working Distance WD 11mm
Resolution 11μm
Focal depth 440μm
Real field of View (Eyepiece φ24mm) φ24.0mm
Real field of View (Imaging device 1/2-inch) 4.8×6.4mm
Pupil diameter φ10.0mm
In stock
SKU
PAL-1
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The long working distance objective lens infinity correction function and par focal length 95mm 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.

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