Eschenbach Bifocal单眼开普勒系统单眼2.8x远/3.4倍。 单筒关注的开普勒系统 1673-1

Bifocal type, close focus distance: 15cm
Magnification (fold): 2.8x/near 3.4x
Lens dimensions (mm): Φ9
Shouldest focusing distance (m): 0.15
Width (mm): 25
Depth (mm): 25
Total height (mm): 47

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28G

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特殊情况，皮带

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• rohs2