In a telecentric optical system, there is no change in magnification when focusing. Thus, the magnification remains constant at different working distances. Similarly, the movement of an object also does not change the magnification, which makes a telecentric lens ideal for measuring objects with high accuracy.
In a telecentric optical system, the chief rays are parallel to the optical axis. As a result, the aperture becomes greater as the magnification is fixed by the focusing rays. This means that the F-number on a telecentric lens tends to be larger when compared to a standard megapixel lens.
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Model | Format Size(Inch) | Magnification | Shooting Magnification | W.D(mm) | Mount | Shooting Range (mm)(mm) | Size(mm)(∞) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4/3 | 1.1 | 1 | 2/3 | 1/1.8 | 1/2 | 1/3 | |||||||
LM1119TC | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 0.5~1.0× | 0.5×/1.0× | 80/81.8 | C | Φ82×151.5 | Φ82×151.5 |
LM1138TC | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 2.0× | 2.0× | 80.6 | C | Φ64×151.0 | Φ64×151.0 |
LM1120TC | ✓ | ✓ | ✓ | ✓ | 3.45~4.4× | 3.45×/4.0×/4.4× | 65.9/65.9/65.9 | C | Φ57×180.0 | Φ57×180.0 | |||
LM1121TC | ✓ | ✓ | ✓ | ✓ | 1.725~2.2× | 1.725×/2.0×/2.2× | 114.8/111.4/109.4 | C | Φ48×147.5 | Φ48×147.5 | |||
LM1122TC | ✓ | ✓ | ✓ | ✓ | 1.15~1.47× | 1.15×/1.3×/1.47× | 111.6/111.6/111.6 | C | Φ50×123.9 | Φ50×123.9 | |||
LM1123TC | ✓ | ✓ | ✓ | ✓ | 0.69~0.88× | 0.69×/0.8×/0.88× | 111.0/111.0/111.0 | C | Φ50×121.5 | Φ50×121.5 | |||
LM1125TC | ✓ | ✓ | ✓ | ✓ | 0.346~0.44× | 0.346×/0.4×/0.44× | 112.7/112.7/112.7 | C | Φ51.5×142.3 | Φ51.5×142.3 | |||
LM50TC | ✓ | ✓ | ✓ | ✓ | 0.3~1.0× | 0.3×/1.0× | 193.4/81.8 | C | Φ56×115.7 | Φ56×115.7 |
Images may differ from the actual product.
Model | LM1119TC | ||
---|---|---|---|
Magnification Range | 0.5〜1.0× | ||
Image Size(mm) | 18.4×13.8(Φ23) | ||
Shooting Magnification | 0.5× | 1.0× | |
Object side N.A. | 0.05 | 0.1 | |
W.D(mm) | 80 | 81.8 | |
Shooting Range (mm) | 4/3 inch | 36.8×27.6 | 18.4×13.8 |
1 inch | 25.6×19.2 | 12.8×9.6 | |
2/3 inch | 17.6×13.2 | 8.8×6.6 | |
TV Distortion | 0.1% | 0.1% | |
Back Focus in Air(mm) | 14.7 | ||
Mount | C-Mount | ||
Resolution | 120lp/mm | ||
Size(mm)(∞) | Φ82×151.5 | ||
Weight(g) | 1000 | ||
Temperature Range | -10℃〜+50℃ | ||
Storage Temperature Range | -20℃〜+60℃ |
Model | LM1138TC | |
---|---|---|
Magnification Range | 2.0× | |
Image Size(mm) | 18.4×13.8(Φ23) | |
Shooting Magnification | 2.0× | |
Object side N.A. | 0.2 | |
W.D(mm) | 80.6 | |
Shooting Range (mm) | 4/3 inch | 9.20×6.90 |
1 inch | 6.40×4.8 | |
2/3 inch | 4.4×3.3 | |
TV Distortion | 0.1% | |
Back Focus in Air(mm) | 15 | |
Mount | C-mount | |
Resolution | 120lp/mm | |
Size(mm)(∞) | Φ64×151.0 | |
Weight(g) | 830 | |
Temperature Range | -10℃〜+50℃ | |
Storage Temperature Range | -20℃〜+60℃ |
Model | LM1120TC | |||
---|---|---|---|---|
Magnification Range | 3.45〜4.4× | |||
Image Size(mm) | 8.8×6.6(Φ11) | |||
Shooting Magnification | 3.45× | 4.0× | 4.4× | |
Object side N.A. | 0.2 | 0.2 | 0.2 | |
W.D(mm) | 65.9 | 65.9 | 65.9 | |
Shooting Range (mm) | 2/3 inch | 2.6×1.9 | 2.2×1.7 | 2.0×1.5 |
1/1.8 Inch | 2.1×1.6 | 1.8×1.4 | 1.6×1.2 | |
1/2 Inch | 1.9×1.4 | 1.6×1.2 | 1.5×1.1 | |
TV Distortion | 0.015% | 0.003% | -0.002% | |
Back Focus in Air(mm) | 17.1 | 24.5 | 30 | |
Mount | C-Mount | |||
Resolution | 120lp/mm | |||
Size(mm)(∞) | Φ57×180.0 | |||
Weight(g) | 645 | |||
Temperature Range | -10℃〜+50℃ | |||
Storage Temperature Range | -20℃〜+60℃ |
Model | LM1121TC | |||
---|---|---|---|---|
Magnification Range | 1.725〜2.2× | |||
Image Size(mm) | 8.8×6.6(Φ11) | |||
Shooting Magnification | 1.725× | 2.0× | 2.2× | |
Object side N.A. | 0.131 | 0.131 | 0.131 | |
W.D(mm) | 114.8 | 111.4 | 109.4 | |
Shooting Range (mm) | 2/3 inch | 5.1×3.8 | 4.4×3.3 | 4.0×3.0 |
1/1.8 Inch | 4.2×3.1 | 3.6×2.7 | 3.3×2.4 | |
1/2 Inch | 3.7×2.8 | 3.2×2.4 | 2.9×2.2 | |
TV Distortion | 0.011% | 0.004% | 0.001% | |
Back Focus in Air(mm) | 55.8 | 67.7 | 76.3 | |
Mount | C-Mount | |||
Resolution | 120lp/mm | |||
Size(mm)(∞) | Φ48×147.5 | |||
Weight(g) | 420 | |||
Temperature Range | -10℃〜+50℃ | |||
Storage Temperature Range | -20℃〜+60℃ |
Model | LM1122TC | |||
---|---|---|---|---|
Magnification Range | 1.15〜1.47× | |||
Image Size(mm) | 8.8×6.6(Φ11) | |||
Shooting Magnification | 1.15× | 1.3× | 1.47× | |
Object side N.A. | 0.101 | 0.101 | 0.101 | |
W.D(mm) | 111.6 | 111.6 | 111.6 | |
Shooting Range (mm) | 2/3 inch | 7.6×5.7 | 6.6×5.0 | 6.0×4.5 |
1/1.8 Inch | 6.3×4.7 | 5.5×4.1 | 4.9×3.7 | |
1/2 Inch | 5.6×4.2 | 4.9×3.7 | 4.3×3.3 | |
TV Distortion | -0.015% | -0.001% | 0.011% | |
Back Focus in Air(mm) | 18.7 | 23.6 | 29.8 | |
Mount | C-Mount | |||
Resolution | 120lp/mm | |||
Size(mm)(∞) | Φ50×123.9 | |||
Weight(g) | 330 | |||
Temperature Range | -10℃〜+50℃ | |||
Storage Temperature Range | -20℃〜+60℃ |
Model | LM1123TC | |||
---|---|---|---|---|
Magnification Range | 0.69〜0.88× | |||
Image Size(mm) | 8.8×6.6(Φ11) | |||
Shooting Magnification | 0.69× | 0.8× | 0.88× | |
Object side N.A. | 0.07 | 0.07 | 0.07 | |
W.D(mm) | 111.0 | 111.0 | 111.0 | |
Shooting Range (mm) | 2/3 inch | 12.7×9.6 | 11.0×8.2 | 10.0×7.5 |
1/1.8 Inch | 10.4×7.8 | 9.0×6.7 | 8.2×6.1 | |
1/2 Inch | 9.3×7.0 | 8.0×6.0 | 7.3×5.5 | |
TV Distortion | -0.001% | -0.009% | 0.005% | |
Back Focus in Air(mm) | 34 | 28.8 | 25.3 | |
Mount | C-Mount | |||
Resolution | 120lp/mm | |||
Size(mm)(∞) | Φ50×121.5 | |||
Weight(g) | 290 | |||
Temperature Range | -10℃〜+50℃ | |||
Storage Temperature Range | -20℃〜+60℃ |
Model | LM1125TC | |||
---|---|---|---|---|
Magnification Range | 0.346〜0.44× | |||
Image Size(mm) | 8.8×6.6(Φ11) | |||
Shooting Magnification | 0.346× | 0.4× | 0.44× | |
Object side N.A. | 0.04 | 0.04 | 0.04 | |
W.D(mm) | 112.7 | 112.7 | 112.7 | |
Shooting Range (mm) | 2/3 inch | 25.4×19.1 | 22.0×16.5 | 20.0×15.0 |
1/1.8 Inch | 20.9×15.7 | 18.1×13.6 | 16.5×12.3 | |
1/2 Inch | 18.6×13.9 | 16.1×12.1 | 14.6×11.0 | |
TV Distortion | 0.02% | -0.009% | 0.01% | |
Back Focus in Air(mm) | 17.6 | 17 | 16.5 | |
Mount | C-Mount | |||
Resolution | 120lp/mm | |||
Size(mm)(∞) | Φ51.5×142.3 | |||
Weight(g) | 420 | |||
Temperature Range | -10℃〜+50℃ | |||
Storage Temperature Range | -20℃〜+60℃ |
Model | LM50TC | ||
---|---|---|---|
Magnification Range | 0.3〜1.0× | ||
Image Size(mm) | 8.8×6.6(Φ11) | ||
Shooting Magnification | 0.3× | 1.0× | |
Object side N.A. | 0.038 | 0.100 | |
W.D(mm) | 193.4 | 81.8 | |
Shooting Range (mm) | 2/3 inch | 29.5×22.2 | 8.8×6.6 |
1/1.8 Inch | 24.1×18.0 | 7.2×5.4 | |
1/2 Inch | 21.4×16.0 | 6.4×4.8 | |
TV Distortion | -0.19% | -0.1% | |
Back Focus in Air(mm) | 22.0 | ||
Mount | C-Mount | ||
Resolution | 120lp/mm | ||
Filter Thread(mm) | M37.5×P0.5 | ||
Size(mm)(∞) | Φ56×115.7 | ||
Weight(g) | 317 | ||
Temperature Range | -10℃〜+50℃ | ||
Storage Temperature Range | -20℃〜+60℃ |