61-6998-16 3-Wavelengths Objective Lens (NPAL-10-UV-YSTF) Magnification 10x PFL-10-UV/NUV-AG
Analyzer, Testing Equipment

61-6998-16 3-Wavelengths Objective Lens (NPAL-10-UV-YSTF) Magnification 10x PFL-10-UV/NUV-AG

model: 61-6998-16
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6998-16Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6998-16
Product Brand: SIGMAKOKI CO., LTD.

Features

  • This objective lens can be ***d in YAG's 3 wavelength pulsed laser processing equipment of 2 × wave (532 nm), 3 × wave (355 nm) and 4 × wave (266 nm).
  • Three wavelengths of YAG provide high transmittance.
  • The working distance (WD) is long, the curvature of the image plane is corrected, and a natural observation image can be obtained to the periphery of the field of view.
  • It is an infinity-corrected objective lens that can be ***d in coaxial observation systems and laser introduction optical systems.
  • You can observe samples with visible light (400~500 nm).
  • A fixed objective lens holder (LHO-26) is available.
  • The observation unit with coaxial illumination (OUCI-2) and the dichroic block for laser introduction (DIMC) are available as the lens barrel for laser processing.
  • * When the objective lens is ***d for laser processing, ext*** the incident beam to half the pupil diameter.
  • * If the incident beam is thin, a small condensing spot cannot be obtained.
  • * If the energy density of the laser becomes too high, the objective lens may be damaged.
  • * When laser beam machining is performed using an objective lens, the surface of the objective lens may become dirty due to the machined spring.
  • * Ensure sufficient operating distance (WD) or insert a thin glass shield to protect the objective lens from contamination.
  • * The magnification is the same as when the imaging lens f=200 mm is ***d.
  • * Magnification may differ when ***d with a microscope barrel of another manufacturer.
  • * For the actual magnification, check the focal length of the imaging lens of the lens barrel you are using, and determine the ratio between the focal length of the imaging lens and the focal length of the objective lens.

Spec

  • Magnification: 10 times
  • NA: 0.2
  • Operating distance WD: 13.5mm
  • Focus distance f: 20mm
  • Resolution (λ=550nm): 1.4μm
  • Depth of focus (λ=550nm): ±6.9μm
  • Pupil diameter: φ8mm
  • Camera field of view (1/2 type): 0.48 x 0.64mm
  • Mass: 0.3kg
  • RoHS conform product

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