Bug Focus Stacking.... Amazing!

Wow! What is focus stacking exactly? I presume it means taking multiple exposures with the focus point at a different depth and then combining them to produce an image with far more DoF than would otherwise be possible? How is this achieved with a moving subject though?
 
None of his subjects will be on the move - probably chilled to immobilise them temporarily... or sleeping, like this one...
 
Amazing. Chilled? I'm disillusioned, thought he'd struck a modelling deal with the Sandgrinder.
But again, what is 'focus stacking'?
 
That is truely amazing, how on earth did he get the bug to stay still long enough??
 
markmullen said:
Call me cynical but wouldn't the easiest be to kill it?
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I'm sure it would be, but short of building the world's smallest gas chamber, I'm guessing it would be quite difficult to kill something 4mm long without squishing it in some way.... :shrug:

Also, if you go to the lengths that he does to take images like this, he undoubtedly likes these little critters quite a lot so insect genocide is probably out of the question....
 
The focus stacked ones like the one in your link seem to be all of dead animals. More info is supplied with the other photo of the same insect.

http://www.flickr.com/photos/johnhallmen/5438110357/in/photostream

this specimen was sent to me from Hungary by my friend and excellent photographer Nikola Rahmé (I highly recommend visiting his photostream!) who found it lying dead but well preserved on the snow a couple of weeks ago.
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EDIT: Same with this one as well:

http://www.flickr.com/photos/johnhallmen/5443604800/in/photostream/

This specimen was in pretty bad shape, missing most legs, palps and one antenna so this is more of an artistic study than an entomological one.
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Very impressive, nonetheless. I've enjoyed browsing his Flickr. :thumbs:
 
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