Archived posting to the Leica Users Group, 2011/01/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You've got too much time on your hands :-) On Thu, Jan 13, 2011 at 6:20 AM, Vick Ko <vick.ko at sympatico.ca> wrote: > Results of playing with the SBOOI optics > > .... doesn't fit the Nikon housing. ?Damn. ?Outer diameter of the glass is > too large to get deep enough in the Nikon finder. > > But, I now know what the optical formula is, of the SBOOI, and likewise, > the > Nikon finder. > > So elegantly simple. ? Hint - it is a 1:1 finder. ? Not a lens. ?A simple > plano cylinder. ?The silvered face is lensed, to image the brightline at > infinity; ?so to retain the plano cylinder, a matching lens, but reversed > with identical curvature, is cemented on the mirrored surface. Simple. > > I now need someone who can cut a few millimeters off the rear plano face of > the SBOOI middle lens, and re-polish it flat. > > Piece of cake, right? > > ....Vick > > > On 1/12/2011 8:52 AM, Vick Ko wrote: >> >> Got the chrome one apart. ?Great help from Tom A too. >> >> The outer sleeve is just that - a longish tube. >> >> The middle optical assembly just spins right out, and all the lenses are >> glued into it, in one compact "optical head". ?I don't think I'll >> disassemble it any further, but transplant the whole optical head into the >> Nikon 5cm brightline finder housing. >> >> Should work fine. >> >> Japanese outer housing, German optics. ?Best of all worlds. >> >> Vick >> _______________________________________________ >> IDCC mailing list ?- ?IDCC at lists.kjsl.com >> http://lists.kjsl.com/mailman/listinfo/idcc >> >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >