Archived posting to the Leica Users Group, 1998/04/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Right you are Jim. I just had a *Senior* moment:-) Bud - -----Original Message----- From: Jeff Alford <alford@batnet.com> To: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us> Date: Sunday, April 12, 1998 8:55 PM Subject: Re: [Leica] 3-Cam vs. ROM >Bud, > >I don't think that the ROM feature is a cost cutting mechanism. Before R= OM, >most lenses were 3rd cam only, not 3 cam (you only need the 3rd cam for = R >cameras). > >Jeff Alford > >budcook@ibm.net wrote: > >> Pascal, >> Thanks for the information. I wouldn't doubt but that Leica's motivat= ion is >> the same as with the molded aspheric lenses....cost reduction. Eliminating >> cams on future lenses would save a lot of money. >> Bud >> -----Original Message----- >> From: Pascal <cyberdog@ibm.net> >> To: Leica Users Group <leica-users@mejac.palo-alto.ca.us> >> Date: Sunday, April 12, 1998 2:35 PM >> Subject: Re: [Leica] 3-Cam vs. ROM >> >> On 08-04-1998 16:08 Bud Cook wrote: >> >> >All my lenses are 3-cam lenses. Would these lenses work on the R8? What >> >functions of the R8 are lost without having a lens with built-in ROM? >> > >> >Do ROM lenses also have the 3-cams necessary for earlier R bodies? >> > >> Bud, >> >> Sorry for the late answer. Here it goes. >> >> Brian Bower in his book "Leica reflex photography" (new edition 1997) >> says that at this stage the contact strip provides information for >> dedicated flashguns and also to enable more precise stopping down of >> lenses when the camera is in automatic shutter speed priority or progr= am >> operating modes. >> The manual of my R8 confirms this (on page 7 of the Dutch language >> version): "Not only a mechanical but also an electronic exposure contr= ol >> takes place when using lenses with contact strip, and certain lens dat= a >> such as the lens' focal length, are passed on to the camera." >> >> The contact strips provide for an additional (electronic) control, e.g. >> compensation for light fall-of in the corners. >> The thing is, the actual use and potential future of the contact strip >> remains somewhat in the dark. Even Leica Solms will apparently not >> comment much on the matter. Is there another version of the R8 in the >> offing (with electronic focussing aids for which the contact strip is = of >> course essential), or even the R9 (autofocus =E0 la Contax AX)? Only f= uture >> will tell us. >> >> Pascal >> >> -------------------------------------------------------- >> t h i n k d i f f e r e n t a p p l e c o m p u t e= r >> -------------------------------------------------------- >> <<< PGP public key available on request >>> > > > >