Industrial Lens with Variable Magnification

Image
  • Magnification scale
  • Image size
  • F Number
  • -0.5x - -3x
  • 64 mmΦ
  • F4

Features

  • Variable magnification: -0.5x - -3x
  • For high resolution, large-sized line sensor cameras.
  • Recommendable line sensor cameras 5.2 µm x 12K / 7 µm x 8K
  • High performance guaranteed in all range of magnification.
  • Aperture lockable screw and floating ring lockable screw for easy use.
  • Gear on the diaphragm ring and the floating ring to have the mechanism be variable by external driving.

Applications

  • Inspection by high-resolution line censor cameras
  • Flat panel inspection
  • PCB inspection
  • Wafer inspection
  • Printed materials inspection

Specifications

Rayfact VF

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Model L-OVM30093MN
Magnification range -0.5x - -3x
Magnification -0.5x -0.7x -1x -1.4x -2x -2.5x -3x
Focal length 90 mm
F Number (∞) F4
NA 0.042 0.051 0.062 0.073 0.083 0.089 0.093
Reference wavelength 546.07 nm (e-line)
Wavelength range 400 - 700 nm
Image size 64 mmΦ
Object size 128.0 mmΦ 91.4 mmΦ 64.0 mmΦ 45.7 mmΦ 32.0 mmΦ 25.6 mmΦ 21.3 mmΦ
Distortion *1 +0.2% +0.1% +0.0% -0.0% -0.0% -0.0% -0.0%
Relative illumination *1 56.2% 66.6% 77.9% 87.4% 92.7% 95.0% 95.3%
Aperture scale 4 5.6 8
Object-to-image distance 405.9 mm 371.9 mm 360.1 mm 370.6 mm 405.9 mm 442.6 mm 482.4 mm
Working distance 239.6 mm 187.2 mm 147.8 mm 121.5 mm 101.6 mm 92.4 mm 86.3 mm
Mount size M45 (P=0.75)
Flange-to-image distance 98.8 mm 117.2 mm 144.8 mm 181.6 mm 236.8 mm 282.7 mm 328.6 mm
Attachment size M49 (P=0.75)
Diameter/length *2 58 mmΦ x 67.5 mm
Weight Approximately 430g
  • *1Maximum image height (Y'=32 mm) at F4.
  • *2Dimension excludes protrusion of screws or other convex part.
  • Specifications unless any specific instructions are stated is at the standard magnification.
  • Specifications are subject to change without prior notice.

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