Unverified80% confidenceDecision RuleTime unknown
超短焦投射比约0.2:1，距墙几十厘米即可投出80-100英寸画面，但需搭配抗光幕布才能发挥较好效果
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified长焦机型投射比约1.27:1，投100寸画面需要约2.7米距离，客厅纵深不足3米的小户型难以发挥大屏优势82% similarUnverified投影尺寸与投射比换算：投射比1.2的机器，投100英寸画面需约2.65米距离；小户型或墙距不足选投射比≤1.2或超短焦机型81% similarUnverified投射比约1.2:1，投100寸画面大约需要2.7米左右的投距，小客厅或短墙距空间购买前需确认投射距离是否满足需求81% similarUnverified投射比决定摆放距离：普通长焦机1.2:1需约3米投100寸，空间小于3米进深应选0.25:1超短焦（激光电视），但超短焦对幕布平整度和地面高度极敏感80% similarUnverified投影距离与画面尺寸受投射比制约，投射比1.2时投100寸约需2.7米，房间进深不足选短焦(投射比<0.8)或超短焦(投射比<0.3)机型79% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/813066API
curl https://kongchang.com/api/v1/knowledge/claims/813066MCP
get_claim(id=813066)