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Pentax dedicated flash on Canon T3.

Started Sep 30, 2015 | Discussions thread
Lemming51
Lemming51 Forum Pro • Posts: 15,278
which model Pentax speedlite?

vision1961 wrote:

Henry's rental stock is fully booked out for the time I needed to rent a Canon Speedlite flash to sit on my Canon T3 for a couple of days.

Instead I have been offered the loan of Pentax dedicated flash (for a KX1 camera) which apparently worked well with a Canon T3i a couple of years ago, just wondering if anyone has any insight on compatability or any settings that may need adjusting?

If it's got a non-TTL auto mode, a la old auto-thyrister speedlites, then it'll work in Av and M modes so long as you coordinate ISO and aperture settings.

Otherwise, Pentax TTL/P-TTL is very different from Canon's ETTL and you will not have auto TTL flash exposure. It'll just fire at full power (only the large center triggering pin in the hotshoe is common to most systems).

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