Unverified90% confidenceDecision RuleTime unknown
打鸟/野生动物摄影建议焦段起步600mm（全画幅），150-600副厂或200-600原厂是入门主力；APS-C画幅可用100-400获得等效150-600以上覆盖，减重明显
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90%
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Long-term
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