On Saturday 12 November 2016 14:28:55 Jon Elson wrote: > On 11/12/2016 01:09 PM, Gene Heskett wrote: > > Which reminds me, I do have an illuminated magnifier lamp. But it > > doesn't have enough lead in its ass to stay where its put, > > frequently tipping over on its nose. > > I made up a little tripod thing for my microscope, but they > ended up with a wrecked Buck adjust-tru chuck when I got my > lathe. (Shame about the chuck, but the body seems to be > twisted, won't hold anything straight.) So, it makes a > great base for the microscope. It does take up a lot of > space in the bench, though. > > > I wonder how much doddering around it would take to > > put it right on the pan-a-vice I am using? Actually, I have 2, but > > the other managed to break its circline lamp. I'll look for an led > > replacement next time I'm at Lowes. I much prefer that one as the > > focal length of its lens gives me more room for tools under it. > > I have made a number of LED ring lights for microscopes. > Cut a piece of PC board material to fit snugly around the > bottom of the microscope, etc. For some of them, rings can > be cut on the lathe, and then cut a ring just into the > copper to make a pair of isolated concentric conductors. > Power with a 12 V wall-wart, use 1K resistors to supply each > LED. I use leaded LEDs, not surface mount, so I can point > them at where the microscope looks. > > > What did that scope cost?, & URL where I might source it please, > > Jon. > > At home, I have an old Olympus, I got it for, I think, > around $130 many years ago through an eBay seller who was in > the microscope business. > > At work, we have a Chinese one similar to this: > http://www.ebay.com/itm/7X-45X-Simul-Focal-Stereo-Lockable-Zoom-Micros >cope-on-Dual-Arm-Boom-Stand-/252629277518 > That one is gone. but the $190 version looks interesting, if I had that much to put into one of those.
> Ours has a larger stand with longer arms, but the microscope > itself is the same. They have a fluorescent ring light for > these that hangs WAY below the microscope, you lose about an > inch of working distance. So, I got rid of their ring light > and put my own on, very happy with it. it fits around the > objective lens section of the scope, so you don't lose ANY > working distance. Sometimes my hands bump the LEDs and I > need to re-aim them once a year or so. The $190 one linked from that page has an led light on a gooseneck. That to me would be a pain to keep aimed, but would get rid of the specular glare from the around the lens ring lights. Thinking, but how often would I use it? Thanks Jon. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
