リーズナブルアクロマティックレンズ (S-DLB)
球面アクロマティックレンズ(DLB)より表面品質を１ランク下げた製品です。
望遠鏡のレンズや顕微鏡の結像レンズなど、高い表面品質が要求されない光学系に使用できます。
S-DLB共通仕様
| 材質 | BK7、SF2 |  |
|---|---|---|
| 設計波長 | 青：486.1nm、緑：546.1nm、赤：656.3nm | 偏心 | ＜3′ |
| コーティング | 反射防止膜 | |
| 接着剤 | 紫外線硬化型接着剤 | |
| スクラッチ－ディグ | 60-40 | |
| 有効径 | 外径の90％ | |
| レーザ耐力 | 0.3J/cm2(パルス幅10ns、繰り返し周波数20Hz) |
| 機能説明図 | 外形図 |
|---|---|
 |
 |
| φ10～φ20 | |||||||
|---|---|---|---|---|---|---|---|
| 品番 | 外径φ D |
焦点距離 f |
コバ厚 te |
中心厚 tc |
バックフォーカス fb |
||
| S-DLB-10-20PM | φ10mm | 20.0mm | 5.1mm | 6.7mm | 16.6mm | ||
| S-DLB-10-25PM | φ10mm | 25.0mm | 4.9mm | 6.1mm | 22.1mm | ||
| S-DLB-10-40PM | φ10mm | 40.0mm | 4.6mm | 5.3mm | 37.5mm | ||
| S-DLB-10-50PM | φ10mm | 50.0mm | 4.4mm | 5.0mm | 47.5mm | ||
| S-DLB-10-100PM | φ10mm | 100.5mm | 4.2mm | 4.5mm | 98.1mm | ||
| S-DLB-15-25PM | φ15mm | 25.2mm | 6.0mm | 8.8mm | 20.7mm | ||
| S-DLB-15-30PM | φ15mm | 30.1mm | 5.7mm | 8.0mm | 26.0mm | ||
| S-DLB-15-40PM | φ15mm | 40.1mm | 5.2mm | 6.9mm | 36.5mm | ||
| S-DLB-15-50PM | φ15mm | 50.1mm | 5.0mm | 6.3mm | 47.1mm | ||
| S-DLB-15-80PM | φ15mm | 79.9mm | 4.7mm | 5.5mm | 77.1mm | ||
| S-DLB-15-100PM | φ15mm | 100.0mm | 4.5mm | 5.2mm | 97.3mm | ||
| S-DLB-20-30PM | φ20mm | 30.6mm | 6.8mm | 10.9mm | 24.9mm | ||
| S-DLB-20-40PM | φ20mm | 40.1mm | 6.2mm | 9.2mm | 35.3mm | ||
| S-DLB-20-50PM | φ20mm | 50.2mm | 5.7mm | 8.1mm | 46.0mm | ||
| S-DLB-20-60PM | φ20mm | 60.2mm | 5.4mm | 7.4mm | 56.6mm | ||
| S-DLB-20-70PM | φ20mm | 70.1mm | 5.2mm | 6.9mm | 66.7mm | ||
| S-DLB-20-80PM | φ20mm | 79.9mm | 5.1mm | 6.6mm | 76.6mm | ||
| S-DLB-20-100PM | φ20mm | 99.5mm | 4.9mm | 6.1mm | 96.4mm | ||
| S-DLB-20-120PM | φ20mm | 120.3mm | 4.7mm | 5.7mm | 117.3mm | ||
| φ25～φ30 | |||||||
|---|---|---|---|---|---|---|---|
| 品番 | 外径φ D |
焦点距離 f |
コバ厚 te |
中心厚 tc |
バックフォーカス fb |
||
| S-DLB-25-50PM | φ25mm | 50.1mm | 7.1mm | 10.9mm | 44.9mm | ||
| S-DLB-25-70PM | φ25mm | 69.9mm | 6.3mm | 9.0mm | 65.3mm | ||
| S-DLB-25-100PM | φ25mm | 100.2mm | 5.9mm | 7.7mm | 96.5mm | ||
| S-DLB-25-120PM | φ25mm | 119.8mm | 5.6mm | 7.2mm | 116.2mm | ||
| S-DLB-25-150PM | φ25mm | 149.6mm | 5.5mm | 6.7mm | 146.2mm | ||
| S-DLB-30-60PM | φ30mm | 60.3mm | 8.1mm | 12.6mm | 53.9mm | ||
| S-DLB-30-100PM | φ30mm | 100.7mm | 6.8mm | 9.5mm | 96.0mm | ||
| S-DLB-30-120PM | φ30mm | 120.1mm | 6.6mm | 8.8mm | 115.7mm | ||
| S-DLB-30-150PM | φ30mm | 150.0mm | 6.3mm | 8.1mm | 146.0mm | ||
| S-DLB-30-200PM | φ30mm | 200.2mm | 6.0mm | 7.3mm | 196.4mm | ||
| S-DLB-30-300PM | φ30mm | 300.4mm | 5.7mm | 6.6mm | 296.9mm | ||
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