Unverified88% confidenceDecision RuleTime unknown
扫描照片/胶片/艺术品选平板式（flatbed）光学分辨率≥1200DPI，扫底片需专用透扫机型达2400DPI以上；ADF馈纸式扫描仪光学分辨率通常仅600DPI，且滚轮易在照片表面留下划痕
1
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88%
Confidence
Long-term
Relevance
-
First Seen
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Unverified扫描老照片/画作/胶片选平板式扫描仪，光学分辨率需≥2400dpi；扫描135胶片/底片则需要带透扫（LED透射光源）的机型，普通反射式扫不了底片85% similarUnverified冲印分辨率需满足300DPI，6寸照片（10x15cm）需要至少1200x1800像素的原图，手机截图或微信压缩图（通常72DPI）放大冲印会明显糊边模糊82% similarUnverified上传图片定制时，图片分辨率需≥300dpi（对应6英寸壳约1800×3000像素），低于此值UV打印会出现明显马赛克和边缘模糊81% similarUnverified扫描底片/胶片必须选带透扫单元（TPU）的专业照片扫描仪，光学分辨率需≥4800dpi，普通平板扫描仪扫底片会严重糊80% similarUnverified扫描普通文档文字识别（OCR）用途，光学分辨率300DPI足够；扫描照片或需保留细节的图纸建议选600DPI以上，标称的插值分辨率（如1050DPI）不代表真实清晰度79% similar
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