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Photography
Calculate adjusted exposure time for film reciprocity failure at long exposures.
Open ReciprocityPhotography
Reference chart of shutter speeds and their ideal use cases from 1/8000 to 30s.
Open Shutter ChartYour specific task is calculate adjusted exposure time for film reciprocity failure at long exposures. Open the page, drop your input, get the result — typically under a second.
Your goal is reference chart of shutter speeds and their ideal use cases from 1/8000 to 30s. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Reciprocity focuses on calculate adjusted exposure time for film reciprocity failure at long exposures; Shutter Chart focuses on reference chart of shutter speeds and their ideal use cases from 1/8000 to 30s. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Reciprocity and Shutter Chart work without signup. We only ask for an email if you decide to subscribe to a paid plan.