Unverified82% confidenceFactTime unknown
屋脊棱镜(roof prism)结构机身更纤细轻便便于儿童握持，普罗棱镜(porro prism)成像立体感更好但机身更宽更重，儿童便携优先选屋脊结构
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
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