Richard ALL of my Weston meters passed that test. The ND filter is a red herring. An RK theory. Jerry Richard Knoppow wrote: > ----- Original Message ----- > From: "Douglas Shea" <dshea@xxxxxxxxxxxxx> > To: <rollei_list@xxxxxxxxxxxxx> > Sent: Monday, May 02, 2005 9:15 AM > Subject: [rollei_list] Re: Weston Master III Checked Against > Minolta IIIF > > > > > My Weston Master III came back from QLM three days ago and > > with the > > Inver-Cone attached it matches my Minolta IIIF perfectly. > > The Weston is a > > beautiful meter, but the Minolta is infinitely easier to > > use with both > > analog and digital display large enough to go easy on my > > old tired eyes. > > > > Doug > > > I am not surpized. The Weston Master III was calibrated > in ASA-ISO speeds and QLM may also have installed a neutral > density filter to get it on the nose. My concern is with old > Weston meters calibrated in Weston speeds. > BTW, because the Weston Master has two overlaping ranges > its easy to test the cell for condition. Find a source that > will read near the top of one range and near the bottom of > the other. On my Master II a reading of around 25 to 50 is > right. The reading should be the same on both ranges within > a very small amount. When the cell has become damaged the > reading near the high end of the scale (low range) will be > low by about a stop. This error can not be corrected by > changing the film speed because it is not constant but > increases with the output of the cell. > > --- > Richard Knoppow > Los Angeles, CA, USA > dickburk@xxxxxxxxxxxxx > > --- > Rollei List > > - Post to rollei_list@xxxxxxxxxxxxx > > - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' > in the subject field OR by logging into www.freelists.org > > - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with > 'unsubscribe' in the subject field OR by logging into www.freelists.org > > - Online, searchable archives are available at > //www.freelists.org/archives/rollei_list --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list