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Long working distance is required for recent device because production line becomes more complicated.
In general, as working distance is longer, a lens body becomes longer and longer TL-220 series are designed for high resolution and short lens length with long WD. |
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| Model |
Magnification |
ＷＤ |
Maximum
compatible CCD |
Mount |
| TL05C-220 |
0.5× |
222mm |
1/1.8 |
Ｃ Mount |
| TL07C-220 |
0.7× |
222mm |
1/1.8 |
Ｃ Mount |
| TL10C-220 |
1× |
222mm |
1/1.8 |
Ｃ Mount |
| TL20C-220 |
2× |
222mm |
1/1.8 |
Ｃ Mount |
* Indicated specifications are design values. ＊Resolution indicates a theoretical resolution at a wavelength of 550nm.
* Depth of field is calculated assuming a horizontal 320 TV resolution using 1/2 CCD camera (permissible circle of confusion 40μ). |
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