High-resolution and Large Format Industrial Lens with Variable Magnification

Image
  • Magnification scale
  • Image size
  • F Number
  • -1x - -2x
  • 86.4 mmΦ
  • F2.8
  • -2x - -5x
  • F2.5

Features

  • Variable magnification: -1x - -2x
  • Variable magnification: -2x - -5x
  • Prism optical optimization model available. (Coaxial vertical prism: Thickness up to 25 mm) (Handled)
  • Large image size - 86.4 mmΦ - For high resolution, large-sized line sensor cameras.
  • Recommendable line sensor cameras
    • 3.5 µm x 23K / 5 µm x 16K (Rayfact 1-2x)
    • 5 µm x 16K / 5.2 µm x 12K (Rayfact 2-5x)
  • Less difference in performance, securing performance in the whole range of magnification.
  • Diaphragm and floating ring setting lockable screws
  • The gears of the diaphragm ring and floating ring can be moved by external drive.

Applications

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

Specifications

Rayfact 1-2x Variable Lens

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Model L-OVM20117MN
Magnification range -1x - -2x
Magnification -1x -1.2x -1.4x -1.6x -1.8x -2x
Focal length 104.5 mm (-1x)
F Number (∞) F2.8
NA 0.092 0.099 0.105 0.109 0.113 0.117
Reference wavelength 546.07 nm (e-line)
Wavelength range 400 - 700 nm
Image size 86.4 mmΦ
Object size *1 86.4 mmΦ 72 mmΦ 61.7 mmΦ 54 mmΦ 48 mmΦ 43.2 mmΦ
Distortion *1 +0.2% +0.1% +0.1% +0.0% -0.0% -0.0%
Relative illumination *1 82.9% 87.4% 90.6% 92.8% 94.1% 94.8%
Aperture scale 2.8 4 5.6 8 11
Object-to-image distance 434.9 mm 439.8 mm 449.6 mm 462.5 mm 477.6 mm 494.2 mm
Working distance 172.0 mm 154.3 mm 141.5 mm 131.7 mm 124.0 mm 117.7 mm
Mount size M67 (P=0.75)
Flange-to-image distance 106.2 mm 128.7 mm 151.3 mm 174.0 mm 196.8 mm 219.7 mm
Attachment size M67 (P=0.75)
Diameter/length *2 90 mmΦ x 156.8 mm
Weight Approximately 1750g
  • *1Maximum image height (Y'=43.2 mm) at F2.8.
  • *2Dimension excludes protrusion of screws or other convex part.

Rayfact 1-2x Variable Lens Prism suitable model

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Model L-OVM20118MN-BS
Magnification range -1x - -2x
Magnification -1x -1.2x -1.4x -1.6x -1.8x -2x
Focal length 105.1 mm
F Number (∞) F2.8
NA 0.092 0.099 0.105 0.110 0.114 0.118
Reference wavelength 546.07 nm (e-line)
Wavelength range 400 - 700 nm
Image size 86.4 mmΦ
Object size *1 86.4 mmΦ 72 mmΦ 61.7 mmΦ 54 mmΦ 48 mmΦ 43.2 mmΦ
Distortion *1 +0.2% +0.1% +0.0% +0.0% -0.0% -0.0%
Relative illumination *1 82.2% 86.8% 90.1% 92.4% 93.8% 94.5%
Aperture scale 2.8 4 5.6 8 11
Object-to-image distance 443.8 mm 448.7 mm 458.6 mm 464.8 mm 486.7 mm 503.4 mm
Working distance 179.8 mm 162.1 mm 149.2 mm 139.3 mm 131.6 mm 125.3 mm
Mount size M67 (P=0.75)
Flange-to-image distance 107.3 mm 129.9 mm 152.6 mm 175.4 mm 198.3 mm 221.4 mm
Attachment size M67 (P=0.75)
Diameter/length *2 90 mmΦ x 156.8 mm
Weight Approximately 1750g
  • *1Maximum image height (Y'=43.2 mm) at F2.8.
  • *2Dimension excludes protrusion of screws or other convex part.

Rayfact 2-5x Variable Lens

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Model L-OVM50167MN
Magnification range -2x - -5x
Magnification -2x -2.5x -3x -3.5x -4x -4.5x -5x (-5.2x) *2
Focal length 116 mm
F Number (∞) F2.5
NA 0.133 0.143 0.15 0.156 0.16 0.164 0.167 0.168
Reference wavelength 546.07 nm (e-line)
Wavelength range 400 - 700 nm
Image size 86.4 mmΦ
Object size *1 43.2 mmΦ 34.6 mmΦ 28.8 mmΦ 24.7 mmΦ 21.6 mmΦ 19.2 mmΦ 17.3 mmΦ (16.6 mmΦ)
Distortion *1 +0.1% +0.0% -0.0% -0.0% -0.0% -0.0% 0.0% (-0.0%)
Relative illumination *1 90.5% 95.4% 98.1% 99.2% 99.5% 99.6% 99.7% (99.7%)
Aperture scale 2.5 2.8 4 5.6 8 11
Object-to-image distance 503.6 mm 550.4 mm 601.0 mm 653.8 mm 707.9 mm 763.0 mm 818.7 mm (841.1 mm)
Working distance 114.7 mm 102.8 mm 94.9 mm 89.2 mm 84.9 mm 81.6 mm 78.9 mm (78.0 mm)
Mount size M67 (P=0.75)
Flange-to-image distance 248.8 mm 307.5 mm 366.1 mm 424.6 mm 483.0 mm 541.4 mm 599.8 mm (623.1 mm)
Attachment size M58 (P=0.75)
Diameter/length *3 84 mmΦ x 140 mm
Weight Approximately 1350g
  • *1Maximum image height (Y'=43.2 mm) at F2.8.
  • *2-5.2x: To fix the magnification at -5.0x and move the lens outward up to the maximal point.
  • *3Dimension excludes protrusion of screws or other convex part.

Rayfact 2-5x Variable Lens Prism suitable model

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Model L-OVM50170MN-BS
Magnification range -2x - -5x
Magnification -2x -2.5x -3x -3.5x -4x -4.5x -5x (-5.2x)*2
Focal length 117mm
F Number (∞) F2.5
NA 0.133 0.144 0.151 0.157 0.162 0.166 0.17 0.171
Reference wavelength 546.07 nm (e-line)
Wavelength range 400 - 700 nm
Image size 86.4 mmΦ
Object size *1 43.2 mmΦ 34.6 mmΦ 28.8 mmΦ 24.7 mmΦ 21.6 mmΦ 19.2 mmΦ 17.3 mmΦ (16.6 mmΦ)
Distortion *1 +0.1% -0.0% -0.0% -0.1% -0.1% -0.1% -0.1% (-0.0%)
Relative illumination *1 88.2% 93.3% 96.2% 97.5% 98.1% 98.6% 99.0% (99.1%)
Aperture scale 2.5 2.8 4 5.6 8 11
Object-to-image distance 513.7 mm 561 mm 612.1 mm 665.4 mm 720.1 mm 775.7 mm 831.9 mm (854.5 mm)
Working distance 119.8 mm 107.8 mm 99.8 mm 94 mm 89.9 mm 86.4 mm 83.6 mm (82.7 mm)
Mount size M67 (P=0.75)
Flange-to-image distance 253.9 mm 313.2 mm 372.3 mm 431.4 mm 490.3 mm 549.3 mm 608.3 mm (631.8 mm)
Attachment size M58 (P=0.75)
Diameter/length *3 84 mmΦ x 140 mm
Weight Approximately 1350g
  • *1Maximum image height (Y'=43.2 mm) at F2.5 with prism (25 mm thickness · material BK7 or equivalent) to put between an object and the lens.
  • *2-5.2x: To fix the magnification at -5.0x and move the lens outward up to the maximal point.
  • *3Dimension 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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