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| Code | 667601 | Type | Zoom Sleeve | |
| Surface treatment | Black anodizing | Maximum optical component thickness | 6.9mm | |
| Applicable optical component diameter | Ø12.7mm | Thread specification | SM1 internal and external threads, SM05 internal threads, RSM internal threads | |
| Main material | 6061-T6 aluminum alloy and stainless steel | Travel distance | 18mm | |
| Adjustment resolution | 0.2mm | Adjustment efficiency | 4.8mm/turn |
Applicable optical component diameter: 12.7 mm
Maximum optical component thickness: 6.9 mm
Travel distance: 18 mm
Adjustment efficiency: 4.8 mm/turn, resolution: 0.2 mm
With SM1 internal and external threads, SM05 internal threads, RMS internal threads
The LBTEK SM05 Zoom Sleeve features an SM05 internal thread at the center, allowing for the installation of optical components with a diameter of 12.7 mm and a maximum thickness of 6.9 mm. One end has SM1 external threads and RMS internal threads, while the other end has SM1 internal threads and SM05 internal threads, making it compatible with extending lens tubes or other optical components. This sleeve offers an 18 mm linear travel distance, adjustable via a red knob with an adjustment efficiency of 4.8 mm/turn and a resolution of 0.2 mm. The sleeve includes a locking function, with the locking screw located near the 0 marking. It comes with an SM05R retaining ring to secure the optical component.
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