📷 攝影參數工具

🌑 ND 濾鏡快門換算Nd Filter ND 濾鏡快門換算工具按濾鏡檔數（如 ND1000 約 10 檔）求加濾鏡後的延長快門，適合把水流、雲彩拍成絲絹狀的慢門攝影。Nd Filter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 💾 RAW 文件大小估算RAW File Size Estimate RAW 文件大小估算工具按像素與位深估算單張 RAW 體積與連續拍攝時長佔用空間，適合存儲卡、硬碟容量規劃與備卡。RAW File Size Estimate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters... 🖨️ 像素與打印尺寸Print Size 像素與打印尺寸計算器按像素數與 DPI（300 為照片級）求可打印尺寸，反算沖印所需像素，適合海報與照片輸出規劃。Print Size - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🌗 動態範圍檔位Dynamic Range 動態範圍檔位計算器將亮度比換算為曝光檔（stops），評估相機或場景的動態範圍，適合 HDR 拍攝與影調控制參考。Dynamic Range - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 📸 包圍曝光張數Photo 10 輸入期望的總動態範圍與每檔曝光步長（如 1 EV、2 EV），工具計算完成 HDR 合成所需的最少包圍曝光張數，並提示相鄰兩張應保留至少 1 EV 重疊，便於拍攝高光暗部細節完整的照片。Photo 10 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🎞️ 包圍曝光計劃Bracketing Plan 包圍曝光計劃工具規劃 HDR 或保險曝光的張數與 EV 範圍，輸入基準曝光與步長輸出推薦序列，適合風光與產品攝影。Bracketing Plan - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🗃️ 存儲卡可拍張數Card Capacity 存儲卡可拍張數計算器按容量與單張照片大小（RAW 20-50MB/JPEG 更小）估算可拍張數，適合拍攝前存儲規劃與備卡。Card Capacity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. ⏱️ 安全快門速度Safe Shutter 安全快門速度計算器依據焦距估算手持不易模糊的快門（防抖可放寬），低於該值易手抖模糊，適合旅行與弱光手持拍攝。Safe Shutter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🎯 對焦超焦距Photo 5 對焦超焦距工具計算並應用超焦距對焦時的清晰範圍（從 H/2 至無窮遠），適合風光攝影最大化景深，輔助對焦距離設定。Photo 5 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🔬 微距放大率Macro Magnification 微距放大率計算器依據焦距與物距求放大率（m=1 為等倍），適合微距攝影的標本與像比例評估與鏡頭選型。Macro Magnification - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters to... 🖨️ 打印分辨率 DPIDpi 打印分辨率 DPI 計算器由打印尺寸與像素求所需 DPI（300 常用於高質量打印），並反算像素需求，適合沖印與海報輸出規劃。Dpi - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🏎️ 搖攝快門速度Photo 11 搖攝快門速度計算器估算追隨拍攝運動物體時的推薦快門，依據橫向速度求可容忍模糊的快門範圍，適合體育與生態攝影。Photo 11 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🔬 放大倍率Photo 7 放大倍率計算器求微距攝影的放大倍率（1:1 表示成像與實物等大），適合微距鏡頭選型與標本拍攝比例評估。Photo 7 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 💾 文件大小估算File Size Estimate 輸入圖像分辨率（像素）、位深與文件格式（RAW/JPEG），工具估算單張照片的存儲空間佔用，説明 JPEG 因壓縮明顯小於 RAW，幫助規劃存儲卡容量與備份策略。File Size Estimate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🌅 日照時長估算Golden Hour 日照時長估算工具由緯度與赤緯求日出日落日照時長，並標識黃金時刻（日出後/日落前約 1 小時），適合户外攝影與行程規劃。Golden Hour - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🌌 星軌拍攝時長Photo 4 星軌拍攝時長計算器按 500 法則估算不出現明顯拖線的最長曝光時間，適合星空、星軌攝影的快門設定與地景配合。Photo 4 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🎯 景深 DOF 計算Depth of Field 景深 DOF 計算器依據光圈、焦距與對焦距離求前景深與後景深範圍，適合控制虛化效果與合焦區域，輔助人像、風光攝影。Depth of Field - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 📷 景深計算器Photo 景深計算器依據光圈、焦距與對焦距離求攝影景深、近界與遠界及超焦距，適合控制虛化與合焦區域，輔助人像、風光拍攝。Photo - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. ☀️ 曝光值 EVEv 曝光值 EV 計算器依據光圈、快門與 ISO 求曝光值，EV 越低畫面越亮，適合手動曝光、閃光與曝光補償的量化控制。Ev - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 📷 曝光值 EV 計算Exposure Value 曝光值 EV 計算工具由光圈、快門、ISO 求 EV，同場景 EV 恆定，調整三者需保持平衡，適合理解曝光三角與手動模式練習。Exposure Value - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🔍 等效焦距Photo 2 等效焦距計算器求不同畫幅下的等效焦距，以全畫幅為基準係數 1，方便跨機位視角統一比較與鏡頭焦段選擇。Photo 2 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🔭 等效焦距換算Equivalent Focal 等效焦距換算工具將 APS-C（約 1.5）、M4/3（約 2.0）等畫幅的實際焦距換算為全畫幅等效焦距，方便視角統一比較。Equivalent Focal - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🌡️ 色温換算 miredMired 輸入光源色温（開爾文）或 mired 微倒數單位之一，工具在兩者間互換；攝影中可用 mired 描述濾光片帶來的色温偏移量，便於校色與冷暖調補償時快速選取校正濾鏡。Mired - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 🔮 衍射極限光圈Photo 9 衍射極限光圈計算器依據傳感器像素密度估算小像素傳感器更早遇到衍射極限的光圈值，輔助畫質優先的光圈選擇。Photo 9 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 👁️ 視角 FOV 計算Field of View 輸入鏡頭焦距與傳感器尺寸（全畫幅/APS-C 等），工具按幾何關係計算畫面的水平、垂直與對角線視角（FOV），直觀説明傳感器越寬、焦距越短視角越大，便於選鏡與構圖預判。Field of View - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 👁️ 視角計算器Photo 6 視角計算器依據傳感器尺寸（全畫幅 36×24mm）與焦距求鏡頭水平與垂直視角，適合構圖、焦段選擇與視野預估。Photo 6 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 📐 超焦距 H 計算Hyperfocal 超焦距計算器求對焦到超焦距 H 時的景深範圍（從 H/2 至無窮遠），適合風光與街拍中最大化清晰範圍的焦距與對焦設定。Hyperfocal - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. ⚡ 閃光指數計算Photo 3 閃光指數計算工具依據閃光指數 GN 與光圈求閃光有效距離（ISO100 標定），適合夜景、人像補光時設定拍攝距離與曝光。Photo 3 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools. 💡 閃光燈指數 GNFlash Gn 閃光燈指數 GN 計算器由閃光指數與拍攝距離求可用光圈（ISO100），輔助室內或夜景補光的曝光設定，適合外拍布光。Flash Gn - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Photography Parameters tools.