That's very cool, Wendy. BTW, what component is the chip used in? It looks relatively low density, like a few gates and flip-flops.
On Wed, Jan 16, 2013 at 11:24 AM, wendy beard <[email protected]> wrote: > Pretty neat abstracts! > > I must try and do some more macro photography. Some years ago I tried > some of a wafer, using the K10 and sigma 180mm macro plus extension > tubes. > > This is the wafer > http://www.pbase.com/wendybeard/image/111769543 > > and this is what I got > http://www.pbase.com/wendybeard/image/111757295 > and a crop of one of the die > http://www.pbase.com/wendybeard/image/111757296 > > Wendy > > On Tue, Jan 1, 2013 at 10:58 AM, Bruce Walker <[email protected]> wrote: >> Pretty cool, John. Ruler-wise you can't see the forest for the trees, >> but they yield very abstract, intriguing images. >> >> >> On Mon, Dec 31, 2012 at 9:40 PM, John Celio >> <[email protected]> wrote: >>> I shot a couple photos of a metric ruler just now. For anyone >>> wondering what the magnification of that super-crazy macro setup of >>> mine can do, here they are: >>> >>> http://www.flickr.com/photos/26065300@N00/8332245842/ >>> Pentax FA 50mm f1.4 (at f5.6) reverse mounted on my pile o' extension >>> tubes. Field of view is a bit more than 4mm. Let's play it safe and >>> say 4.2mm. >>> If I've done the math correctly (K-5 sensor is 23.4mm wide), this >>> means it has a magnification ratio of 5.57:1 >>> >>> http://www.flickr.com/photos/26065300@N00/8331187951/ >>> Cosina 28mm, same setup as above. FoV is a bit more than 2mm. I'm >>> guessing 2.2mm. >>> Again, if my math is right, magnification ratio of 10.6:1 >>> >>> Wow! >>> >>> The 50mm seems to produce somewhat sharper images, so I'll probably >>> use that lens for this sort of stuff until I find a really, really >>> (really) good 28mm lens someday. Magnification like this needs >>> something sharp as a razor, apparently! >>> >>> John >>> >>> -- >>> PDML Pentax-Discuss Mail List >>> [email protected] >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. >> >> >> >> -- >> -bmw >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > > > -- > Wendy Beard > Carp, Ontario > Canada > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- -bmw -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
