on 2014-08-17 12:41 Ann Sanfedele wrote
what I want to use the technique for is photographing items I'm selling on
ebay that are tiny. so I'm not looking to BLUR the background so much as
getting every tiny detail of an object nice and sharp.
Could this work if I focused on the front, say, set continuing/rapid firing
on, and turn the focusing ring of my 50 macro very slowly (with camera on
tripod of course) to get several frames to stack and then
run them through the stacking software?
i think that could work, but 1) continuously turning the focus ring would
tend to both shake the camera and change the focus slightly _during_ the
exposure, 2) from your description, i think that would produce more frames
than you really need, and 3) ideally you move the camera, not the focus, as
the effective focal length of the lens may change slightly as you focus
(making the magnification change from one frame to the next)
Is there stacking software that is free or inexpensive and work
with or outside of photoshop elements 5.0?
i've only used Photoshop myself, but wikipedia has a list of focus-stacking
tools; some are free, and some have trial versions:
<http://en.wikipedia.org/wiki/Focus_stacking#Software>
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