Updated： 2013/07/25
| Fixed Lens(visible) | High magnification fixed focus | ||||||
|---|---|---|---|---|---|---|---|
| Spec/Model | 仕様/モデル | OTH-030 | OTH-050 | OTH-075 | OTH-100 | OTH-133 | ZHD-240 |
| Focal length | 焦点距離 | 90mm | 90mm | 90mm | 90mm | 90mm | 65mm |
| Magnification | 標準倍率 | -0.30X | -0.50X | -0.75X | -1.00X | -1.33X | -2.40X |
| F/# | F値 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 2.7 |
| Wavelength(e-line) | 基準波長(e-line) | 546nm | 546nm | 546nm | 546nm | 546nm | 546nm |
| Wavelength range | 波長域 | 405-656nm | 405-656nm | 405-656nm | 405-656nm | 405-656nm | 405-656nm |
| Object NA | 物体NA | 0.021 | 0.030 | 0.038 | 0.045 | 0.051 | 0.121 |
| Image NA | 画像NA | 0.069 | 0.060 | 0.051 | 0.045 | 0.039 | 0.05 |
| Resolution | 分解能 | 13μm | 9.1μm | 7.1μm | 6.1μm | 5.3μm | 2.3μm |
| Image field | 画像サイズ | 62mm | 62mm | 62mm | 62mm | 62mm | 62mm |
| Object field | 物体サイズ | 206.6mm | 124mm | 82.7mm | 62mm | 46.5mm | 25.8mm |
| Working Distance | ワーク・ディスタンス | 365.7mm | 248.5mm | 188.2mm | 158.1mm | 135.4mm | 57.6mm |
| Distortion | ディストーション | 0.08% | 0.04% | 0.01% | 0.00% | -0.01% | 0.00% |
| Total length | 全長(物像間距離) | 506.9mm | 404.9mm | 367.8mm | 359.5mm | 366.8mm | 301.1mm |
| Mount type | マウント | V-type | V-type | V-type | V-type | V-type | M52×0.75 |
| Weight | 質量 | Approx 148g | Approx 148g | Approx 148g | Approx 148g | Approx 148g | Approx 290g |
| Corresponding lighting | 対応照明 | LOTH-030 | LOTH-050 | LOTH-075 | LOTH-100 | LOTH-133 | LZHD-240 |
| 使用チャート | 物体面L/P [lp/mm] | 20.00 | 33.33 | 50.00 | 50.00 | 100.00 | 166.00 |
| 像面L/P [lp/mm] | 66.67 | 66.67 | 66.67 | 50.00 | 75.19 | 69.44 | |
| Line/Cell数 [cell] | 1.50 | 1.50 | 1.50 | 2.00 | 1.33 | 1.44 | |
| MTF値実測参考例(拡散照明系[透過]) | 46% | 38% | 33% | 44% | 17% | 17% | |
| ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ||
| MTF値改善参考例(フレネル照明系[透過]) | 62% | 57% | 52% | 66% | 34% | 23% | |
