半五棱鏡
主要材料：H-9、H-bak7等各類高品質環保類光學玻璃。長期供應12.5MM 14.5MM半五和屋脊配套棱鏡，價格低質量好。
產量技術指標 |
| 尺寸公差 | ±0.03~0.15mm |
| 角度公差 | 3"~5" |
| 平行差 | 5'~10' |
| 光潔度 | 60/40~40/20 |
| 光圈 | N=0.5~2 |
| 光圈不規則 | △N=0.2~0.5 |
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新手教學
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