Unverified80% confidenceCautionTime unknown
8岁以下儿童不建议买牛顿反射镜作为第一台,需要校准光轴、目镜位置高需垫脚,容易操作受挫;小口径折射镜或双筒望远镜更友好
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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