{"uid":"cap_fPUyrtp_vQrNED6MzLjXP","slug":"video-timecode-calc-shutter-angle-converter-936074ec","name":"Video & Timecode Calc – Shutter Angle Converter","description":"Convert shutter angle to exposure time (and back) at a frame rate, plus the angle that avoids 50 or 60 Hz flicker.","url":"https://video-calc.x402tookit.com/shutter-angle?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"fps":{"type":"string","description":"Frame rate: 23.976, 24, 25, 29.97, 30, 48, 50, 59.94 or 60 (default 24)"},"angle":{"type":"number","description":"Shutter angle in degrees, above 0 to 360 (use this or shutterDenominator)"},"shutterDenominator":{"type":"number","description":"Shutter speed as 1/N seconds, give N (for example 48 for 1/48 s)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"fps":{"type":["null","string"]},"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"angleDegrees":{"type":["null","number"]},"shutterSeconds":{"type":["null","number"]},"flickerSafe50Hz":{"type":["null","object"],"properties":{"hz":{"type":["null","number"]},"angleNearest":{"type":["null","number"]},"shutterSecondsNearest":{"type":["null","number"]},"shutterDenominatorNearest":{"type":["null","number"]}}},"flickerSafe60Hz":{"type":["null","object"],"properties":{"hz":{"type":["null","number"]},"angleNearest":{"type":["null","number"]},"shutterSecondsNearest":{"type":["null","number"]},"shutterDenominatorNearest":{"type":["null","number"]}}},"frameDurationMs":{"type":["null","number"]},"shutterDenominator":{"type":["null","number"]},"shutterMilliseconds":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EnKhMgZOONkpdncoNprYt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts shutter angle to exposure time (and back) at a given frame rate, and returns the nearest flicker-safe shutter angles for 50 Hz and 60 Hz mains power.","exampleAgentPrompt":"I'm shooting at 24fps and want to use a 180-degree shutter angle — what's that in actual exposure time, and what's the nearest flicker-safe angle for both 50Hz and 60Hz mains?","exampleUseCases":[{"title":"Flicker-safe shutter for studio shoot","prompt":"I'm filming an interview in an office with fluorescent lights running on 60Hz power at 29.97fps — what shutter angle should I use to avoid flicker, and what's the actual exposure time?"},{"title":"Convert shutter speed to angle for cinema camera","prompt":"My cinema camera asks for a shutter angle but I want 1/50 second exposure at 25fps — what angle is that, and is it already safe for 50Hz flicker?"},{"title":"Find frame duration and shutter for slow-mo","prompt":"I'm shooting at 48fps with a 180-degree shutter angle — what's my actual exposure time in milliseconds and what's the frame duration?"}],"resultDescription":"Returns the computed shutter angle in degrees, exposure time in seconds and milliseconds, shutter speed denominator (1/N), and frame duration in milliseconds. Also includes two flicker-safe sub-objects (one for 50 Hz, one for 60 Hz), each giving the nearest safe shutter angle, the corresponding exposure seconds, and the shutter denominator — so you can immediately dial in a safe setting on your camera.","failureModes":["Missing both 'angle' and 'shutterDenominator' parameters — endpoint requires at least one","Invalid fps value not in supported set (23.976, 24, 25, 29.97, 30, 48, 50, 59.94, 60) — may return error or default to 24","Shutter angle of 0 or negative degrees is out of range — valid range is above 0 to 360","Payment failure or insufficient USDC balance resulting in 402 response","Network timeout or service unavailability"],"whenToPreferThis":"Use this endpoint when you need to convert between shutter angle (degrees) and actual exposure time for a specific cinema frame rate, or when you need to find the nearest flicker-safe shutter setting for 50 Hz or 60 Hz artificial lighting. It is the right choice over generic fraction calculators because it understands cinema frame rates (including drop-frame rates like 23.976 and 29.97), provides both directions of conversion, and explicitly returns optimised flicker-avoidance angles for both mains frequencies in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:20.282Z","isFirstParty":false,"canonicalSlug":"video-timecode-calc-shutter-angle-converter-936074ec"}