📷 摄影参数工具📷 Photography Parameters Tools

← ToolBox / 摄影参数工具Photography Parameters Tools

📷 摄影参数工具📷 Photography Parameters Tools

共 31个免费在线工具

视角计算器Calculate the angle of view from focal…视角计算器依据传感器尺寸（全画幅 36×24mm）与焦距求镜头水平与垂直视角，适合构图、焦段选择与视野预估。Calculate the angle of view from focal length and sensor size to visualise how much of the scene a lens captures 景深计算器Photo景深计算器依据光圈、焦距与对焦距离求摄影景深、近界与远界及超焦距，适合控制虚化与合焦区域，辅助人像、风光拍摄。Calculate depth of field, near and far focus limits and hyperfocal distance from focal length, aperture, distance and s… 视角 FOV 计算Field of View输入镜头焦距与传感器尺寸（全画幅/APS-C 等），工具按几何关系计算画面的水平、垂直与对角线视角（FOV），直观说明传感器越宽、焦距越短视角越大，便于选镜与构图预判。Calculate horizontal, vertical and diagonal field of view from focal length and sensor dimensions 景深 DOF 计算Depth of Field景深 DOF 计算器依据光圈、焦距与对焦距离求前景深与后景深范围，适合控制虚化效果与合焦区域，辅助人像、风光摄影。Calculate depth of field from focal length, aperture, focus distance and sensor size, giving near and far limits and hy… ND 滤镜快门换算Nd FilterND 滤镜快门换算工具按滤镜档数（如 ND1000 约 10 档）求加滤镜后的延长快门，适合把水流、云彩拍成丝绢状的慢门摄影。Calculate the new shutter speed when adding an ND filter of a given stop value, useful for long-exposure photography 曝光值 EV 计算Exposure Value曝光值 EV 计算工具由光圈、快门、ISO 求 EV，同场景 EV 恒定，调整三者需保持平衡，适合理解曝光三角与手动模式练习。Calculate the exposure value from aperture and shutter speed, and find equivalent EV combinations for the same brightne… 等效焦距换算Equivalent Focal等效焦距换算工具将 APS-C（约 1.5）、M4/3（约 2.0）等画幅的实际焦距换算为全画幅等效焦距，方便视角统一比较。Convert a lens focal length between sensor formats using the crop factor to get the equivalent full-frame focal length 闪光指数计算Compute flash guide number from distanc…闪光指数计算工具依据闪光指数 GN 与光圈求闪光有效距离（ISO100 标定），适合夜景、人像补光时设定拍摄距离与曝光。Compute flash guide number from distance and aperture, or derive the correct aperture for a given flash-to-subject dist… 色温换算 miredMired输入光源色温（开尔文）或 mired 微倒数单位之一，工具在两者间互换；摄影中可用 mired 描述滤光片带来的色温偏移量，便于校色与冷暖调补偿时快速选取校正滤镜。Convert between colour temperature (Kelvin) and mired values, and estimate the colour correction filter needed between… 超焦距 H 计算Hyperfocal超焦距计算器求对焦到超焦距 H 时的景深范围（从 H/2 至无穷远），适合风光与街拍中最大化清晰范围的焦距与对焦设定。Compute the hyperfocal distance from focal length, aperture and circle of confusion to maximise sharpness from near to… 镜头焦距与视场角换算Convert focal length to angle of view f…镜头焦距与视场角换算是一款免费的在线摄影参数工具，镜头焦距与视场角换算。免费在线工具，纯前端处理，数据不上传，保护隐私安全。纯前端运行、数据不上传、无需注册，打开浏览器即可使用。Convert focal length to angle of view for a given sensor size, and compare how the field of view changes across formats 曝光三角形计算Calc Exposure ApertureN 为光圈 f 值，t 为快门时间(s)，S 为 ISO。EV₁₀₀ 归一到 ISO 100 便于跨感光度比较；每差 1 EV 相当于光线亮度差一倍。场景亮度按 EV₁₀₀ 分级（雪地正午 ≥16…Balance the exposure triangle by adjusting aperture, shutter speed and ISO, and see how many stops each change shifts t… RAW 文件大小估算RAW File Size EstimateRAW 文件大小估算工具按像素与位深估算单张 RAW 体积与连续拍摄时长占用空间，适合存储卡、硬盘容量规划与备卡。Estimate RAW file size from sensor resolution and bit depth, with typical compression ratios for common camera formats 闪光灯指数 GNFlash Gn闪光灯指数 GN 计算器由闪光指数与拍摄距离求可用光圈（ISO100），辅助室内或夜景补光的曝光设定，适合外拍布光。Calculate flash guide number, working distance or required aperture from any two of the three values, accounting for IS… 安全快门速度Safe Shutter安全快门速度计算器依据焦距估算手持不易模糊的快门（防抖可放宽），低于该值易手抖模糊，适合旅行与弱光手持拍摄。Find the slowest safe handheld shutter speed from focal length and crop factor, with stops of stabilisation taken into… 动态范围档位Dynamic Range动态范围档位计算器将亮度比换算为曝光档（stops），评估相机或场景的动态范围，适合 HDR 拍摄与影调控制参考。Estimate the dynamic range in stops from highlight and shadow limits, and check whether the scene fits the sensor's lat… 包围曝光计划Bracketing Plan包围曝光计划工具规划 HDR 或保险曝光的张数与 EV 范围，输入基准曝光与步长输出推荐序列，适合风光与产品摄影。Plan an exposure bracketing sequence: choose the number of frames and EV step to cover the scene dynamic range, and get… 存储卡可拍张数Card Capacity存储卡可拍张数计算器按容量与单张照片大小（RAW 20-50MB/JPEG 更小）估算可拍张数，适合拍摄前存储规划与备卡。Estimate how many photos a memory card can hold from card capacity, image resolution and file format 日照时长估算Golden Hour日照时长估算工具由纬度与赤纬求日出日落日照时长，并标识黄金时刻（日出后/日落前约 1 小时），适合户外摄影与行程规划。Estimate daylight duration and the golden hour windows for a given date and location to plan outdoor shoots 微距放大率Macro Magnification微距放大率计算器依据焦距与物距求放大率（m=1 为等倍），适合微距摄影的标本与像比例评估与镜头选型。Calculate magnification ratio from focal length and extension tube length, and see the resulting field of view and expo… 摇摄快门速度Estimate a suitable panning shutter spe…摇摄快门速度计算器估算追随拍摄运动物体时的推荐快门，依据横向速度求可容忍模糊的快门范围，适合体育与生态摄影。Estimate a suitable panning shutter speed from subject speed, direction and focal length to keep the subject sharp with… 包围曝光张数Find the number of bracketing frames ne…输入期望的总动态范围与每档曝光步长（如 1 EV、2 EV），工具计算完成 HDR 合成所需的最少包围曝光张数，并提示相邻两张应保留至少 1 EV 重叠，便于拍摄高光暗部细节完整的照片。Find the number of bracketing frames needed to cover a given EV range at a chosen exposure step 文件大小估算File Size Estimate输入图像分辨率（像素）、位深与文件格式（RAW/JPEG），工具估算单张照片的存储空间占用，说明 JPEG 因压缩明显小于 RAW，帮助规划存储卡容量与备份策略。Estimate image file size from resolution, bit depth and compression ratio before shooting or exporting 对焦超焦距Calculate the hyperfocal distance and t…对焦超焦距工具计算并应用超焦距对焦时的清晰范围（从 H/2 至无穷远），适合风光摄影最大化景深，辅助对焦距离设定。Calculate the hyperfocal distance and the range of acceptable sharpness for landscape focusing at a given aperture 打印分辨率 DPIDpi打印分辨率 DPI 计算器由打印尺寸与像素求所需 DPI（300 常用于高质量打印），并反算像素需求，适合冲印与海报输出规划。Compute print resolution in DPI from pixel dimensions and print size, or find the maximum print size at a target DPI 曝光值 EVEv曝光值 EV 计算器依据光圈、快门与 ISO 求曝光值，EV 越低画面越亮，适合手动曝光、闪光与曝光补偿的量化控制。Reference common exposure values (EV) for typical lighting scenes and map them to aperture, shutter speed and ISO combi… 放大倍率Calculate the magnification ratio of a…放大倍率计算器求微距摄影的放大倍率（1:1 表示成像与实物等大），适合微距镜头选型与标本拍摄比例评估。Calculate the magnification ratio of a close-up setup from focal length, extension and minimum focus distance 星轨拍摄时长Calculate star trail exposure time from…星轨拍摄时长计算器按 500 法则估算不出现明显拖线的最长曝光时间，适合星空、星轨摄影的快门设定与地景配合。Calculate star trail exposure time from focal length and sensor crop factor to control the length of star trails 等效焦距Convert focal length between full-frame…等效焦距计算器求不同画幅下的等效焦距，以全画幅为基准系数 1，方便跨机位视角统一比较与镜头焦段选择。Convert focal length between full-frame and crop sensors to compare the effective angle of view of different lenses 衍射极限光圈Estimate the aperture at which diffract…衍射极限光圈计算器依据传感器像素密度估算小像素传感器更早遇到衍射极限的光圈值，辅助画质优先的光圈选择。Estimate the aperture at which diffraction begins to limit resolution for a given sensor pixel pitch 打印尺寸对照Print Size像素与打印尺寸计算器按像素数与 DPI（300 为照片级）求可打印尺寸，反算冲印所需像素，适合海报与照片输出规划。Reference how pixel dimensions map to physical print sizes at common resolutions such as 300 and 150 DPI
📖关于「摄影参数工具」About Photography Parameters Tools▼

📝栏目简介

摄影参数工具集合收录了 31 个免费在线工具，覆盖摄影参数场景下的常见计算、换算与查询需求。无论你是相关领域的从业者、学生还是普通用户，都能在这里找到即用即走的实用小工具。所有工具纯前端运行，数据不上传服务器，保护隐私安全。This collection gathers 31 free online Photography Parameters tools for everyday calculations, conversions and lookups. Whether you are a professional, a student or a casual user, you will find handy tools you can use right away. Everything runs client-side — no data is uploaded.

✨核心功能与适用场景

本页收录的摄影参数工具包括（部分代表工具）：Featured Photography Parameters tools on this page include:

  • 视角计算器Photo
  • 视角 FOV 计算Field of View
  • 景深 DOF 计算Depth of Field
  • 曝光值 EV 计算Exposure Value
  • 闪光指数计算Equivalent Focal
  • 超焦距 H 计算Mired
  • 镜头焦距与视场角换算Hyperfocal
  • RAW 文件大小估算Calc Exposure Aperture
  • 安全快门速度RAW File Size Estimate
  • 包围曝光计划Flash Gn
  • 存储卡可拍张数Dynamic Range
  • 微距放大率Bracketing Plan
  • 包围曝光张数Card Capacity
  • 文件大小估算Golden Hour
  • 打印分辨率 DPIMacro Magnification
  • 放大倍率Dpi
  • 等效焦距Ev
  • 衍射极限光圈Print Size

这些工具帮助你快速完成摄影参数相关的常见任务，无需记忆复杂公式或手动换算，输入即可得结果。These tools help you complete Photography Parameters tasks quickly — no formulas to memorise and no manual conversion, just enter your values and get the result.

❓常见问题

摄影参数分类下的工具需要下载或注册吗？Do Photography Parameters tools require any download or sign-up?

不需要。本页 31 个摄影参数工具（如视角计算器、视角 FOV 计算、景深 DOF 计算、曝光值 EV 计算、闪光指数计算、超焦距 H 计算）都是纯前端页面，打开网页即可使用，无需安装软件、无需注册账号；输入的数据只在你的浏览器内处理，不会上传服务器。No. The 31 Photography Parameters tools on this page (including Photo, Field of View, Depth of Field, Exposure Value, Equivalent Focal, Mired) are pure front-end pages: just open them and start using. No software to install, no account needed, and anything you enter is processed inside your browser — never uploaded.

摄影参数工具的结果能直接用于医疗、法律或财务决策吗？Can the results be used directly for medical, legal or financial decisions?

不能直接作为决策依据。本页工具多为通用计算、换算与查询，结果仅供日常参考；涉及诊断、诉讼、投资、工程验收等专业场景，请以权威标准、原始仪器读数或持证专业人士的结论为准。所有运算都在本地完成，数据不上传。No — treat them as everyday references only. Most tools here are general-purpose calculators, converters and lookups; for diagnosis, litigation, investment or engineering acceptance, rely on authoritative standards, raw instrument readings or a licensed professional. Everything is computed locally and nothing is uploaded.