Lightnings taking a ride

by ceinmart

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Is it generalized softness, or is it missing focus? Microadjust is certainly a place to start. But my 7d's autofocus was always a bit dodgy. WAY more focus misses than my 1ds2 or 6d. After two circuit board replacements it finally got fairly close to my FF's in consistency... at which point it got stolen :-( Wasn't just me, seems AF issues with the 7d ...


I would use a flash. The intensity of a flash and the extremely short light duration are unbeatable for sharp macro images. However what you want is GOOD flash illumination. What I have used in the past is a box made of white foam core board with a translucent window on one side and an off camera flash fired into the window on high power (although even half ...


Take a look at a depth of field calculator. There are fundamental physical limits, so you want to learn what is possible with a perfect lens. You can see what different arrangements can do for you, on paper. The phone is a physicly smaller aperture, so will give a deeper field and better cover the 2 inches. If you scale up your setup to keep the ...


You are on the right track. A few things could help here. First would be to get more light in the box. A florescent light typically makes quite poor light. It can be inconsistent in quality and usually isn't all that bright either. Next I would recommend pushing your aperture up to the diffraction limit but not beyond. Your third example image was close ...


Application dependent, the "economist" appraises the added utility for every dollar of added cost as per the Law of Diminishing Returns, and you should never, moreover, neglect to factor the deferred compounding, and likely re-sale or depreciation, again, depending on what you're doing and how bad you need those features that push the diminishing returns ...

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