レンズ（光学ガラス）- 平凹レンズ
| 許容誤差 | ||
| 許容誤差 | 直径 φ | +0 、 -0.1 |
| 中心圧 tc | ±0.2㎜ | |
| 焦点距離 | ±2% | |
| 偏芯 | 3分以内 （3'） | |
| 屈折率 Nd | 1.523（クラウン系） | |
| 1.51680（BK-7） | ||
| 表面品質 | MIL60-40 | |
| 設計波長 | 587.6nm | |
| コート | なし | |
| 品 番 |
外 径 |
焦点距離 |
バックフォーカス B.F.L |
中心厚 tc |
コバ厚 te |
材 質 Material |
税抜価格 Price |
| LT-0250S | φ5 | -10 |
-10.66 | 1.00 | 1.59 | BK-7 | 2,160 |
| LT-0251S | φ5 | -15 | -15.67 | 1.00 | 1.38 | BK-7 | 2,160 |
| LT-0252S | φ5 | -20 | -20.67 | 1.00 | 1.28 | BK-7 | 2,160 |
| LT-0252S1 | φ5 | -30 | -30.67 | 1.00 | 1.19 | BK-7 | 2,160 |
| LT-0252S2 | φ5 | -40 | -40.67 | 1.00 | 1.14 | BK-7 | 2,160 |
| LT-0252S3 | φ5 | -50 | -50.66 | 1.00 | 1.11 | BK-7 | 2,160 |
| LT-0252S4 | φ5 | -60 | -60.66 | 1.00 | 1.09 | BK-7 | 2,160 |
| LT-0252S5 | φ5 | -70 | -70.67 | 1.00 | 1.08 | BK-7 | 2,160 |
| LT-0252S6 | φ5 | -80 | -80.67 | 1.00 | 1.07 | BK-7 | 2,160 |
| LT-0252S7 | φ5 | -90 | -90.67 | 1.00 | 1.06 | BK-7 | 2,160 |
| LT-0252S8 | φ5 | -100 | -100.66 | 1.00 | 1.06 | BK-7 | 2,160 |
| LT-0253S | φ10 | -20 | -20.65 | 1.00 | 2.23 | BK-7 | 2,520 |
| LT-0254S | φ10 | -30 | -30.66 | 1.00 | 1.76 | BK-7 | 2,250 |
| LT-0254S1 | φ10 | -40 | -40.66 | 1.00 | 1.59 | BK-7 | 2,250 |
| LT-0254S2 | φ10 | -50 | -50.66 | 1.00 | 1.47 | BK-7 | 2,250 |
| LT-0254S3 | φ10 | -60 | -60.66 | 1.00 | 1.39 | BK-7 | 2,250 |
| LT-0254S4 | φ10 | -70 | -70.67 | 1.00 | 1.33 | BK-7 | 2,250 |
| LT-0254S5 | φ10 | -80 | -80.67 | 1.00 | 1.29 | BK-7 | 2,250 |
| LT-0254S6 | φ10 | -90 | -90.67 | 1.00 | 1.26 | BK-7 | 2,250 |
| LT-0254S7 | φ10 | -100 | -100.66 | 1.00 | 1.23 | BK-7 | 2,250 |
| LT-0254S17 | φ20 | -30 | -30.66 | 1.00 | 4.49 | BK-7 | 2,700 |
| LT-0255S | φ20 | -40 | -40.66 | 1.00 | 3.47 | BK-7 | 2,700 |
| LT-0256S | φ20 | -50 | -50.66 | 1.00 | 2.93 | BK-7 | 2,520 |
| LT-0254S20 | φ20 | -60 | -60.66 | 1.00 | 2.59 | BK-7 | 2,520 |
| LT-0254S21 | φ20 | -70 | -70.67 | 1.00 | 2.35 | BK-7 | 2,520 |
| LT-0254S22 | φ20 | -80 | -80.67 | 1.00 | 2.18 | BK-7 | 2,520 |
| LT-0254S23 | φ20 | -90 | -90.67 | 1.00 | 2.04 | BK-7 | 2,520 |
| LT-0254S24 | φ20 | -100 | -100.70 | 1.00 | 1.94 | BK-7 | 2,520 |
| LT-0254S25 | φ30 | -30 | -31.33 | 2.00 | 10.83 | BK-7 | 3,600 |
| LT-0254S26 | φ30 | -40 | -41.33 | 2.00 | 7.46 | BK-7 | 3,600 |
| LT-0254S27 | φ30 | -50 | -51.32 | 2.00 | 6.66 | BK-7 | 3,150 |
| LT-0254S28 | φ30 | -60 | -61.32 | 2.00 | 5.76 | BK-7 | 3,150 |
| LT-0254S29 | φ30 | -70 | -71.33 | 2.00 | 5.17 | BK-7 | 3,150 |
| LT-0254S30 | φ30 | -80 | -81.33 | 2.00 | 4.74 | BK-7 | 3,150 |
| LT-0254S31 | φ30 | -90 | -91.33 | 2.00 | 4.42 | BK-7 | 3,150 |
| LT-0254S32 | φ30 | -100 | -101.36 | 2.00 | 4.16 | BK-7 | 3,150 |
| LT-0254S33 | φ30 | -150 | -151.34 | 2.00 | 3.43 | BK-7 | 3,150 |
| LT-0254S34 | φ30 | -200 | -201.32 | 2.00 | 3.07 | BK-7 | 3,150 |
| LT-0254S35 | φ30 | -300 | -301.34 | 2.00 | 2.71 | BK-7 | 3,150 |
| LT-0254S45 | φ50 | -70 | -71.33 | 2.00 | 11.84 | BK-7 | 5,130 |
| LT-0254S46 | φ50 | -80 | -81.33 | 2.00 | 10.26 | BK-7 | 5,130 |
| LT-0254S47 | φ50 | -90 | -91.33 | 2.00 | 9.16 | BK-7 | 5,130 |
| LT-0254S48 | φ50 | -100 | -101.36 | 2.00 | 8.34 | BK-7 | 5,040 |
| LT-0254S49 | φ50 | -150 | -151.36 | 2.00 | 6.07 | BK-7 | 5,040 |
| LT-0254S50 | φ50 | -200 | -201.32 | 2.00 | 5.02 | BK-7 | 5,040 |
| LT-0254S51 | φ50 | -300 | -301.34 | 2.00 | 4.00 | BK-7 | 5,040 |
| LT-0254S52 | φ50 | -400 | -401.32 | 2.00 | 3.49 | BK-7 | 5,040 |
