Archived posting to the Leica Users Group, 2011/07/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Jim, they have done exactly that in developing new methods for sensor calibration and RF adjustments since the introduction of the M8. No-one measures and adjusts the sensor positioning more precisely (and individually) than Solms. The jig to calibrate the RF is huge!. I wasn't allowed to photograph the setup but since then they have published photos and video . DPreview have an article and the pics here http://www.dpreview.com/articles/leicafactory2009/ . Cheers Geoff *Australia, paying for the world's carbon sins, one tonne at a time**.* On 24 July 2011 01:49, Jim Nichols <jhnichols at lighttube.net> wrote: > Paul said: > > "I think one of the advantages the M series will continue to enjoy in > terms of performance is the ability of the designers to ignore the > requirements of AF and IS, which has to be a huge part of current > optical design for the mainstream companies." > > I agree with you, except that they must continue to improve the matching of > RF to lens focus cams, in order to meet the needs of the more demanding > focus requirements of the digital sensor. I continue to be amazed at the > number of instances on this forum where cameras and lenses are returned to > Leica for adjustment. > > Jim Nichols > Tullahoma, TN USA > ----- Original Message ----- From: "Paul Roark" <roark.paul at gmail.com> > To: "Leica Users Group" <lug at leica-users.org> > Sent: Saturday, July 23, 2011 10:31 AM > Subject: Re: [Leica] The IIIF still works > > > > Mark Rabiner <mark at rabinergroup.com> wrote: >> >>> ... >>> Optical science has not stood still ... >>> >> >> I had an interesting discussion with a Canon technical rep some years >> ago. He made the point that most R&D went into not making lenses >> sharper per se, but rather making them "affordable" while still good >> enough. That reality even affects Leica -- although at a higher >> price-performance point. >> >> Along this line, it appears one of the main advances may be in making >> molded aspherics better. One simply can't make a top notch, very wide >> or very fast lens with only spherical elements, and the cost of >> grinding one aspheric at a time is even out of Leica's cost structure. >> I think what we'll see, going forward, is the move to more and more >> aspherics -- not just a single element per optic. In line with this >> thinking, I'd guess that the slower telephotos, where aspherics are >> not needed, would be the area where the older Leica lenses can best >> match the newer ones (at least in a low flare situation). >> >> I think one of the advantages the M series will continue to enjoy in >> terms of performance is the ability of the designers to ignore the >> requirements of AF and IS, which has to be a huge part of current >> optical design for the mainstream companies. >> >> Paul >> www.PaulRoark.com >> >> ______________________________**_________________ >> Leica Users Group. >> See >> http://leica-users.org/**mailman/listinfo/lug<http://leica-users.org/mailman/listinfo/lug>for >> more information >> >> >> > > > ______________________________**_________________ > Leica Users Group. > See > http://leica-users.org/**mailman/listinfo/lug<http://leica-users.org/mailman/listinfo/lug>for > more information >