On Tuesday 05 May 2020 12:19:30 Les Newell wrote: > I think the smallest they do is 26mmx26mm > <https://www.ebay.com/itm/1MP-CMOS-OV9712-1280X720p-MJPEG-30fps-Mini-U >VC-USB-Camera-Module-Board-6mm-Lens/323864792581> They state 32x32 but > you can snap off the edges.
I saw that, but 26x26 is still a fat inch, so it won't fit. > You can focus these by undoing the clamp > screw and screwing the lens in and out. Thats good but can the clamp then be tightened again to hold that without dinging the parallax too bad? > Depending on the field of view > you want, you may want to go with a 12mm lens rather than the standard > 6mm. Absolutely, if it does it in a reasonable length. The wide angle is nice for depth of focus, but it sure hides that last thousandth too. > Thank you Les > > On 05/05/2020 16:22, Gene Heskett wrote: > > Reads good, but they are huge. No way could one of those be > > squirreled away inside the bottom of a G0704 head. Closer to spindle > > centerline yet shielded by the mass of the head casting from running > > into fixture bolts etc. I made one dovetailed for repeatability > > mount that clipped to the spindle lock ring and I've screwed it up > > several times with passing clamp bolts. So the next go at this goes > > inside the casting. This ELP folks have some with focussing lenses, > > but those are about 5x too big. 51mm just for the lens. A fixed > > focus lens at 3" for closeup stuff would be ideal. Might have to > > glue a closeup lens to the one link I posted, but i might be able to > > put it in the rear of the casting if I could still get to the head > > mount bolts. > > > > Thanks for the name, Les, they do make nice stuff and the prices > > aren't that scary. > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users 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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
