Catch-in-Focus HIFs [10 imgs]

Started Aug 29, 2011 | Discussions thread
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Vic Chapman
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Re: Catch-in-Focus HIFs [10 imgs]
In reply to lpammann, Sep 7, 2011

lpammann wrote:

Thanks. Catch-in-Focus (also referred to as focus trap) is a setting Pentax DSLRs have that works with manual focus lenses or lenses with an AF/MF switch like the DA*300 I used for these shots. With that setting I can focus on a spot just above the feeder, press and lock my cable release, and the camera will fire whenever something comes into the focus spot and will continue to do so until I release the shutter. Obviously it's especially useful for capturing hummers hovering around the feeder since they move so fast. As far as I know, Pentax K20D, K7, and K5 are the only DSLRs that permit sustained Catch-in-Focus.

Nikons and Canons and probably all other SLRs too - no fancy name - just set the shutter to release priority, press the shutter button and the shutter will only fire when a subject comes into focus. Handy for use with pre-focusing on a particular point on race tracks too.
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