Rayfact RF Variable Magnification Series
- Magnification scale
- Image size
- F Number
- -1x – -6x
- Φ82 mm
- F1.8
- Φ86.4 mm
- F2.5
- F2.8
Features
- Optical design with floating mechanism to minimize performance variations across the variable magnification range
- Compatible with high-resolution large line sensor cameras (3.5 µm x 23K, 5 µm x 16K)
- Optimized optical system prisms designed for incident illumination on the object side
- Equipped with a rotating mechanism to align the optimal performance area with line sensors
- Optional adapter barrels available to support different camera mounts
Applications
- Defect inspections in flat panel display (FPD) manufacturing processes
- Microscopic pattern inspections of semiconductor wafers and advanced substrate RDLs
- Defect inspections of high-performance materials and electronic components
Specifications
- Rayfact RF3-6x
- Rayfact RF3-6x Prism-type
- Rayfact RF2-5x
- Rayfact RF2-5x Prism-type
- Rayfact RF1-2x
- Rayfact RF1-2x Prism-type
Rayfact RF3-6x
Main Specifications
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| Product | Rayfact RF3-6x |
|---|---|
| Model | BA01941 |
| Focal length [mm] | 108.1 (-3x) |
| Magnification range | -3x – -6x |
| F Number (∞) | F1.8 |
| Wavelength range [nm] | 400 – 700 |
| Image circle [mm] | Φ82 |
| Mount size*3 | M67 (P=0.75) |
| Diameter/length [mm]*1 | Φ110 x 166 – 160 (from mount datum face) |
| Weight [g] | Approximately 2,500 |
Optical Specifications
Swipe horizontally to view full table.
| Magnification | -3x | -3.5x | -4x | -4.5x | -5x | -5.5x | -6x |
|---|---|---|---|---|---|---|---|
| NA | ≧0.2 | ||||||
| Object-to-image distance [mm] | 582.3 | 628.6 | 676.5 | 725.3 | 774.7 | 824.6 | 875.0 |
| Working distance [mm] | 83.5 | 78.5 | 74.8 | 72.0 | 69.7 | 67.9 | 65.7 |
| Flange-to-image distance [mm] | 332.8 | 385.9 | 438.8 | 491.6 | 544.2 | 596.7 | 649.3 |
| Distortion [%]*2 | +0.1 | +0.1 | +0.1 | +0.1 | +0.0 | +0.0 | +0.0 |
| Relative illumination [%]*2 | 91.6 | 95.1 | 97.3 | 98.5 | 98.9 | 99.1 | 99.2 |
- *1Dimensions exclude protrusions such as lock screws.
- *2Value at maximum image height (Y'=41 mm) and F1.8.
- *3To attach to a camera, use the appropriate extension barrel and camera mount parts that fit the camera mount.
Rayfact RF3-6x Prism-type
Main Specifications
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| Product | Rayfact RF3-6x Prism-type |
|---|---|
| Model | BA01951 |
| Focal length [mm] | 108.1 (-3x) |
| Magnification range | -3x – -6x |
| F Number (∞) | F1.8 |
| Wavelength range [nm] | 400 – 700 |
| Image circle [mm] | Φ82 |
| Mount size*3 | M67 (P=0.75) |
| Diameter/length [mm]*1 | Φ110 x 166.1 – 160 (from mount datum face) |
| Weight [g] | Approximately 2,450 |
Optical Specifications
Swipe horizontally to view full table.
| Magnification | -3x | -3.5x | -4x | -4.5x | -5x | -5.5x | -6x |
|---|---|---|---|---|---|---|---|
| NA | ≧0.2 | ||||||
| Object-to-image distance [mm] | 593.3 | 640.1 | 688.3 | 737.5 | 787.3 | 837.5 | 888.3 |
| Working distance [mm] | 93.3 | 88.3 | 84.6 | 81.7 | 79.4 | 77.6 | 75.5 |
| Flange-to-image distance [mm] | 333.9 | 387.4 | 440.7 | 493.9 | 546.9 | 599.8 | 652.7 |
| Distortion [%]*2 | +0.1 | +0.1 | +0.1 | +0.0 | +0.0 | +0.0 | +0.0 |
| Relative illumination [%]*2 | 91.7 | 95.2 | 97.4 | 98.5 | 98.9 | 99.0 | 99.2 |
- *1Dimensions exclude protrusions such as lock screws.
- *2Value at maximum image height (Y'=41 mm) and F1.8.
- *3To attach to a camera, use the appropriate extension barrel and camera mount parts that fit the camera mount.
Rayfact RF2-5x
Main Specifications
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| Product | Rayfact RF2-5x |
|---|---|
| Model | L-OVM50167MN |
| Focal length [mm] | 116.2 (-2x) |
| Magnification range | -2x – -5x |
| F Number (∞) | F2.5 |
| Wavelength range [nm] | 400 – 700 |
| Image circle [mm] | Φ86.4 |
| Mount size*3 | M67 (P=0.75) |
| Attachment size | M58 (P=0.75) |
| Diameter/length [mm]*1 | Φ84 x 140 (from mount datum face) |
| Weight [g] | Approximately 1,350 |
Optical Specifications
Swipe horizontally to view full table.
| Magnification | -2x | -2.5x | -3x | -3.5x | -4x | -4.5x | -5x | (-5.2x)*4 |
|---|---|---|---|---|---|---|---|---|
| NA | ≧0.1 | |||||||
| Object-to-image distance [mm] | 503.6 | 550.4 | 601.0 | 653.8 | 707.9 | 763.0 | 818.7 | (841.1) |
| Working distance [mm] | 114.7 | 102.8 | 94.9 | 89.2 | 84.9 | 81.6 | 79.0 | (78.1) |
| Flange-to-image distance [mm] | 248.8 | 307.5 | 366.1 | 424.6 | 483.0 | 541.4 | 599.8 | (623.1) |
| Distortion [%]*2 | +0.1 | +0.0 | -0.0 | -0.0 | -0.0 | -0.0 | -0.0 | (-0.0) |
| Relative illumination [%]*2 | 90.5 | 95.4 | 98.1 | 99.2 | 99.5 | 99.6 | 99.7 | (99.7) |
- *1Dimensions exclude protrusions such as lock screws.
- *2Value at maximum image height (Y'=43.2 mm) and F2.5.
- *3To attach to a camera, use the appropriate extension barrel and camera mount parts that fit the camera mount.
- *4-5.2x is the value when the entire lens is extended with the reference set to -5x.
Rayfact RF2-5x Prism-type
Main Specifications
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| Product | Rayfact RF2-5x Prism-type |
|---|---|
| Model | L-OVM50170MN-BS |
| Focal length [mm] | 117.3 (-2x) |
| Magnification range | -2x – -5x |
| F Number (∞) | F2.5 |
| Wavelength range [nm] | 400 – 700 |
| Image circle [mm] | Φ86.4 |
| Mount size*3 | M67 (P=0.75) |
| Attachment size | M58 (P=0.75) |
| Diameter/length [mm]*1 | Φ84 x 140 (from mount datum face) |
| Weight [g] | Approximately 1,350 |
Optical Specifications
Swipe horizontally to view full table.
| Magnification | -2x | -2.5x | -3x | -3.5x | -4x | -4.5x | -5x | (-5.2x)*4 |
|---|---|---|---|---|---|---|---|---|
| NA | ≧0.1 | |||||||
| Object-to-image distance [mm] | 513.7 | 561.0 | 612.1 | 665.4 | 720.1 | 775.7 | 831.9 | (854.5) |
| Working distance [mm] | 119.8 | 107.8 | 99.8 | 94.0 | 89.7 | 86.4 | 83.7 | (82.8) |
| Flange-to-image distance [mm] | 253.9 | 313.2 | 372.3 | 431.4 | 490.3 | 549.3 | 608.3 | (631.8) |
| Distortion [%]*2 | +0.1 | -0.0 | -0.0 | -0.1 | -0.1 | -0.1 | -0.1 | (-0.0) |
| Relative illumination [%]*2 | 88.2 | 93.3 | 96.2 | 97.5 | 98.1 | 98.6 | 99.0 | (99.1) |
- *1Dimensions exclude protrusions such as lock screws.
- *2Value at maximum image height (Y'=43.2 mm) and F2.5.
- *3To attach to a camera, use the appropriate extension barrel and camera mount parts that fit the camera mount.
- *4-5.2x is the value when the entire lens is extended with the reference set to -5x.
Rayfact RF1-2x
Main Specifications
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| Product | Rayfact RF1-2x |
|---|---|
| Model | L-OVM20117MN |
| Focal length [mm] | 104.5 (-1x) |
| Magnification range | -1x – -2x |
| F Number (∞) | F2.8 |
| Wavelength range [nm] | 400 – 700 |
| Image circle [mm] | Φ86.4 |
| Mount size*3 | M67 (P=0.75) |
| Attachment size | M67 (P=0.75) |
| Diameter/length [mm]*1 | Φ90 x 156.8 (from mount datum face) |
| Weight [g] | Approximately 1,750 |
Optical Specifications
Swipe horizontally to view full table.
| Magnification | -1x | -1.2x | -1.4x | -1.6x | -1.8x | -2x |
|---|---|---|---|---|---|---|
| NA | ≧0.09 | |||||
| Object-to-image distance [mm] | 434.9 | 439.8 | 449.6 | 462.5 | 477.6 | 494.2 |
| Working distance [mm] | 172.0 | 154.3 | 141.5 | 131.7 | 124.0 | 117.7 |
| Flange-to-image distance [mm] | 106.2 | 128.7 | 151.3 | 174.0 | 196.8 | 219.7 |
| Distortion [%]*2 | +0.2 | +0.1 | +0.1 | +0.0 | -0.0 | -0.0 |
| Relative illumination [%]*2 | 82.9 | 87.4 | 90.6 | 92.8 | 94.1 | 94.8 |
- *1Dimensions exclude protrusions such as lock screws.
- *2Value at maximum image height (Y'=43.2 mm) and F2.8.
- *3To attach to a camera, use the appropriate extension barrel and camera mount parts that fit the camera mount.
Rayfact RF1-2x Prism-type
Main Specifications
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| Product | Rayfact RF1-2x Prism-type |
|---|---|
| Model | L-OVM20118MN-BS |
| Focal length [mm] | 105.1 (-1x) |
| Magnification range | -1x – -2x |
| F Number (∞) | F2.8 |
| Wavelength range [nm] | 400 – 700 |
| Image circle [mm] | Φ86.4 |
| Mount size*3 | M67 (P=0.75) |
| Attachment size | M67 (P=0.75) |
| Diameter/length [mm]*1 | Φ90 x 156.8 (from mount datum face) |
| Weight [g] | Approximately 1,750 |
Optical Specifications
Swipe horizontally to view full table.
| Magnification | -1x | -1.2x | -1.4x | -1.6x | -1.8x | -2x |
|---|---|---|---|---|---|---|
| NA | ≧0.09 | |||||
| Object-to-image distance [mm] | 443.8 | 448.7 | 458.6 | 464.8 | 486.7 | 503.4 |
| Working distance [mm] | 179.8 | 162.1 | 149.2 | 139.3 | 131.6 | 125.3 |
| Flange-to-image distance [mm] | 107.3 | 129.9 | 152.6 | 175.4 | 198.3 | 221.4 |
| Distortion [%]*2 | +0.2 | +0.1 | +0.0 | +0.0 | -0.0 | -0.0 |
| Relative illumination [%]*2 | 82.2 | 86.8 | 90.1 | 92.4 | 93.8 | 94.5 |
- *1Dimensions exclude protrusions such as lock screws.
- *2Value at maximum image height (Y'=43.2 mm) and F2.8.
- *3To attach to a camera, use the appropriate extension barrel and camera mount parts that fit the camera mount.
- Specifications unless any specific instructions are stated is at the standard magnification.
- Specifications are subject to change without prior notice.
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