一邊SM1(1.035"-40)內螺紋/一邊SM1(1.035"-40)外螺紋鏡筒
可接續安裝
附帶1個SM1固定環
鏡筒外徑：Ø30.5mm
| 型號 | L(mm) | 內螺紋深度 L-0.8(mm) |
| LT1L03 | 8.4 | 7.6 |
| LT1L05 | 13.5 | 12.7 |
| LT1L10 | 26.2 | 25.4 |
| LT1L15 | 38.9 | 38.1 |
| LT1L20 | 51.6 | 50.8 |
| LT1L25 | 64.3 | 63.5 |
| LT1L30 | 77 | 76.2 |
| LT1L35 | 89.7 | 88.9 |
| LT1L40 | 102.4 | 101.6 |