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Photography
Calculate magnification gain from extension tube length and focal length.
Open Ext TubePhotography
Reference for flash types: speedlight, studio strobe, ring flash, and bare bulb.
Open Flash TypesYour specific task is calculate magnification gain from extension tube length and focal length. Open the page, drop your input, get the result — typically under a second.
Your goal is reference for flash types: speedlight, studio strobe, ring flash, and bare bulb. 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. Ext Tube focuses on calculate magnification gain from extension tube length and focal length; Flash Types focuses on reference for flash types: speedlight, studio strobe, ring flash, and bare bulb. 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 Ext Tube and Flash Types work without signup. We only ask for an email if you decide to subscribe to a paid plan.