Unverified83% confidenceDecision RuleTime unknown
副厂(适马/腾龙)f/2.8标变通常比原厂便宜30-50%,画质接近,但需确认卡口官方授权支持自动对焦与固件更新,索尼E/佳能RF卡口对副厂限制差异大
1
Sources
83%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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