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Old Jan 5, 2005, 10:53 PM   #1
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Ok most probably already know but if not, well heres a tip.

We start off at F/8. If we get the near focus point for depth of field and the far focus point, we get both the stem/leaf and drop reflection/refractions in sharp plane of focus.





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When we close in and change to F/2.8, we now see exactly where the point of focus needs to be. The stem is out of focus and so is the drop. Only the reflection/refraction is in sharp focus. The reason is because the actual focus is beyond the drop. Its at the distance back to the flower or subject behind it.



So if you have the stem or leaf in sharp focus, don't necessarily take it for granted that the subject behind is in sharp focus.

If you already now this, thenyou shouldn't have readthisfar anyway :-). If you didn't know,wellI hope it helps.

Danny.


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