Sigma optical machine 3 wavelength objective lens

Product Introduction

objective lensThe working distance (WD) is long, the field curvature is also corrected, and natural and clear observation images can be obtained at the edge of the field of view.
It can be used in coaxial observation systems or laser guided optical systems, and is an infinitely conjugate objective lens.
Samples can be observed in the visible light range (400-500nm).
Laser damage threshold (reference value) 0.09 J/cm²(266nm)，0.1J/cm²(355nm)，0.2J/cm²(532nm)
(Pulse width: 10ns, repetition rate: 20Hz)

▶ Equipped with a fixed objective lens holder (LHO-26).
▶ If you need to fix the objective lens on the cross motion bracket, please consult the sales department.
▶ When used as a laser processing objective lens, our company also supplies coaxial illumination observation units (OUCI-2) and laser introduction color separation prisms (DIMC).

▶ When using the objective lens for laser processing, please expand the diameter of the incident beam to about half of the pupil diameter before use. When the incident beam is very thin, a very small focused spot cannot be obtained. In addition, when the energy density of the laser is too high, it may also damage the objective lens. In addition, when the energy density of the laser is too high, it may also damage the objective lens.
▶ When using an objective lens to process laser, the powder splashed during processing may contaminate the mirror surface of the objective lens. Please ensure sufficient working distance (WD) or insert thin protective lenses to avoid dirtying the objective lens.
▶ The magnification is the value when using a f=200mm tube mirror. When using microscope tubes produced by other manufacturers, the magnification may be different. Firstly, it is necessary to confirm the focal length of the imaging tube lens and calculate the actual magnification based on the ratio of the tube lens focal length to the objective lens focal length.