Archived posting to the Leica Users Group, 2012/01/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Sorry This message is a mistake! Lluis El 17/01/2012, a las 0:34, Lluis Ripoll escribi?: > Ideas, ideas.... es lo dif?cil, piensa que la tecnolog?a siempre se > puede comprar o buscar qui?n la sepa > > > Lluis Ripoll Querol > lluisripollquerol at gmail.com > > http://gallery.leica-users.org/v/luisrq/ > http://lluisripollphotography.wordpress.com/ > > > > El 17/01/2012, a las 0:25, Chris Saganich escribi?: > >> I noticed that according to Steve Gandy's lens guide the eyes of my >> DR >> shouldn't be compatible with the lens body. The newer DR lenses >> have a >> dual scale in feet and meters, focus to 20in, and have ridges in >> the trough >> of the focus ring knurling. The older DR bodies have a single >> scale, focus >> to 19in, have reproduction ratios, and have ridges on the peaks of >> the >> focus ring knurling. The older bodies are supposed to have a >> larger ball >> bearing compared to the newer DR bodies making the newer eyes >> incompatible >> to the older DR bodies, but the older eyes will work on the newer DR >> bodies. Older eyes have the "condenser" logo and newer eyes have >> the Leitz >> Wetzlar logo. According to convention ( which I haven't confirmed) >> the >> newer eyes shouldn't be compatable on the older DR bodies due to >> the ball >> bearing size difference. My DR has the new logo and the older body >> so I >> was curious if I could find any other examples of this anomaly. I >> searched >> ebay and the internet for examples where the age of the lens and >> logo of >> eyes were identifiable. Here is what I found: >> >> 1956- 125,594 lenses made >> 1402xxx Old Body Old Logo >> 1403731 Old Body Old Logo >> 1440268 Old Body New Logo >> >> 1957- 89,389 lenses made >> 1487412 Old Body New Logo >> 1513415 Old Body New Logo >> 15301xx Old Body New Logo >> 1534320 Old Body New Logo >> 1545576 Old Body New Logo >> >> 1958 -97,281 lenses made >> 1587819 Old Body Old Logo -From Cameraquest website >> 1592570 Old Body New Logo - My Lens >> 1623068 New Body New Logo >> >> >> The only exception is from Cameraquest where Steve probably used an >> old >> example of the eyes for the old body. Who but Steve would have lots >> of >> these hanging around? >> >> All this suggests that eyes with the newer logo were manufactured >> with the >> larger ball bearing receptor for the older DR bodies. >> >> The ball bearing size on my older DR body is 3 mm diameter and 1.8mm >> height. The receptor dimensions on my eyes with newer logo are 3.5 mm >> diameter and 1 mm deep. >> >> It would be interesting if we could fill in these blanks regarding >> ball >> bearing measurements on the older and newer DR bodies and eyes: >> >> 1) Older DR body: 3mm dia x 1.8mm height >> 2) Eyes with older Logo: ??? >> 3) Eyes with new Logo on older body: 3.5mm dia x 1mm depth >> 4) Newer DR body: ??? >> 5) Eyes with new Logo on New DR body: ??? >> >> The supposition is that the dimensions of1, 2 and 3 should be >> similar >> while 4 and 5 should be different and smaller. >> >> -- >> Chris Saganich >> www.imagebrooklyn.com >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information