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Auto Focus (Separate type)

The focus laser with large spot and laser detector are aligned at a large angle; outside of the objective lens. The focus is maintained by minimizing the error signal generated by the sensor.

[Characteristics]
● As the observation optical system and auto focus optical system are independent. Enable to be matched with various magnification objective lenses at high accuracy inspection application.
● Support reflective surface such as glass and film inspection.
● Small and compact make it easy to be integrated into an inspection equipment system.
● Supports 2/3-inch or less CCD camera (C mount).
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TAF-ES-DM-40

Off-axis (out of Lens) reflection active system by semiconductor laser (equivalent to class 3R, light output 4.5mW or less, wavelength at 670nm)

  •  Objective Lens  2× − 50× (Outer diameter φ32mm WD11mm Objective lens)
     Camera  C mount CCD camera ( Size is less than 2/3″ )
     Focusing methods
     Off-axis (out of Lens) reflection active system by semiconductor
     laser (equivalent to class 3R, light output 4.5mW or less,
     wavelength at 670nm)

     

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 Part Number  TAF-ES-DM-40
 Objective Lens  2× − 50×(Outer diameter φ 32mm WD11mm Objective lens)
 Camera
 C mount CCD camera ( Size is less than 2/3 ′′ )
 Focusing methods

 Off-axis (out of Lens) reflection active system by
 semiconductor laser (equivalent to class 3R, light
 output 4.5mW or less, wavelength at 670nm)

 Travel
 10mm
 Trace Range
 (Tracking capable range)
 Regular reflector: ±3mm
 Transparent body: contact us separately
 Reference) thickness 0.7mm, glass ±0.3mm
 Reproducibility (Focus)
 ±0.5μm
 Response frequency
 About 5Hz (regular reflector step ±10μm)
 Illumination optical systems

 Coaxial epi-illumination (aperture stop built in)

 Dimension
 (W)202 × (H)230 × (D)87mm
 Weight (head part)
 2.2kg
 Focus Actuator
 TSDM (stepping motor drive stage)

Configuration

Outline Drawing



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Auto Focusing System
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