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VS-LDA15
LDA Series is design for producing low distortion image even when using with extension tubes 10 models from focal lengths f4mm～f75mm with reduced shading. Consistence Compact size: of 32mm in diameter (except for VS-LD 6.5). For VGA ～3 Megapixel sensors
| Model | VS-LDA15 | ||||
|---|---|---|---|---|---|
| Focal Length | 15mm | ||||
| Maximum Aperture Ratio | 1:2.0 | ||||
| Optical mag. range | x 0.03 ~ × 0.15 | ||||
| Optical mag. | x 0.03 | x 0.06 | x 0.10 | x 0.15 | |
| 2/3" | 236.7 × 280.0 | 118.3 × 140.0 | 71.0 × 84.0 | 47.3 × 56.0 | |
| FOV (VxH mm) | 1/2" | 160.0 × 213.3 | 80.0 × 106.7 | 48.0 × 64.0 | 32.0 × 42.7 |
| 1/3" | 120.0 × 160.0 | 60.0 × 80.0 | 36.0 × 48.0 | 24.0 × 32.0 | |
| WD | 489.2mm | 239.0 mm | 138.9 mm | 88.9 mm | |
| O/I (Object & Imager distance) | 536.2mm | 286.4 mm | 186.9 mm | 137.7 mm | |
| Working F/# *Value at Iris open | 2.1 | 2.1 | 2.1 | 2.2 | |
| TV distortion | -0.01 % | -0.02 % | -0.05 % | -0.09 % | |
| Operation of Iris & Zoom | Manual (Lock crew M2) | Manual (Lock crew M2) | Manual (Lock crew M2) | Manual (Lock crew M2) | |
| Wavelength | Visible | Visible | Visible | Visible | |
| Camera mount | C-mount | ||||
| Flange Back | 17.526 mm | ||||
| Sensor size (max.) | 2/3" | ||||
| Filter Thread | M 27 P= 0.5 | ||||
| Weight (approx.) | 46 g | ||||
| Dimension | Φ 30.5 (MAX) × | L = 29.5 (×0.03) | ~ 31.3 (×0.15) mm |
| Lens Model | VS-LDA15 | |||
|---|---|---|---|---|
| Extension Ring (mm) | WD Minimum(mm) | WD Maximum (mm) | Mag @ Min WD | Mag @ Max WD |
| 0.5 | 70.8 | 227.1 | 0.063x | 0.183x |
| 1.0 | 58.0 | 143.6 | 0.097x | 0.217x |
| 1.5 | 48.9 | 104.3 | 0.130x | 0.250x |
| 2.0 | 41.9 | 80.9 | 0.163x | 0.283x |
