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Macro Focusing

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Author Topic: Macro Focusing  (Read 154 times)
jgs001
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« on: September 22, 2009, 09:43:29 am »

I had a play with a technique for macro last night, it works and works well...

Basically, set the lens to Auto Focus, ensure the lens cannot achieve focus, and half press the shutter button. Once the lens has finished hunting, fully press the shutter button, the shutter won't fire however. Now move the camera slowly until the subject comes into focus. As soon as the camera AF confirm activates the shutter fires. I for a hit rate of 9 out of 10 like this. The 10th one, I'm not sure on, but I think it was down to the very very short DOF that macro at 2.5x lifesize gives....

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John
Canon 450d, EF-S 18-55 IS, 55-250 IS, Raynox DCR250
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John9929
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« Reply #1 on: September 22, 2009, 01:58:55 pm »

Great imaging John, but I'm still trying to work out what the last two are Wink
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markt
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« Reply #2 on: September 22, 2009, 08:32:25 pm »

Interesting technique - thanks for sharing.   The photos are rather good too Wink
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Paul
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« Reply #3 on: September 22, 2009, 09:01:04 pm »

That's an interesting technique John, and it seems to work well! I like matchhead #1 best, and like John McC, I can't figure out what the last two are!
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jgs001
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« Reply #4 on: September 22, 2009, 10:48:56 pm »

Cheers Guys. I thought I'd do some testing after mentioning it on my Dragons thread the other day. It's the sharp end of a pair of nail clippers
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John
Canon 450d, EF-S 18-55 IS, 55-250 IS, Raynox DCR250
HQE5 + C80ED & Vista 80s. NexStar Skymax 102 SLT.

*** My Astro Blog ***


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