Unverified90% confidenceDecision RuleTime unknown
选购全光谱灯泡应认准显色指数Ra≥95且R9（红色还原）≥90，普通LED的R9常低于50，导致肤色、食物、木材偏灰暗失真
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified全光谱灯泡显色指数应≥95（Ra95），但更关键的是看R9红色显色值≥50，普通宣称高显色的灯泡R9常低于30，导致肤色、食物、木材偏暗发灰94% similarUnverified显色指数选Ra≥90，且特别关注R9（红色显色）≥50，很多台灯Ra虚标达标但R9极低，导致看纸质书和肤色偏暗失真89% similarUnverified选购要看R9值（红色显色）而非仅看Ra，R9＜0，肤色和食物会发灰发暗；优质灯具R9应≥50，摄影/化妆场景需R9≥9088% similarUnverified追求真实还原色彩（如绘画、化妆、看诊）需选Ra≥95且R9（红色还原）≥90的灯泡，普通全光谱灯常标Ra≥95但R9只有50-70，红色物体仍偏暗发灰88% similarUnverified显色指数Ra≥90、R9（红色还原）≥50的顶灯颜色还原更真实，长时间用眼疲劳感更低，选购看灯具是否标注具体Ra和R9数值而非仅写'高显色'87% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/209373API
curl https://kongchang.com/api/v1/knowledge/claims/209373MCP
get_claim(id=209373)