J. C. O'Connell wrote: > Nobody came up with the answer to my quiz why > the Pentax Takumar Screw mount lenses were/are all > so good? > > Answer : They were 200% optical bench tested > before being sold in USA. Thats right, 200%. > > Every single final assembled Takumar Lens > was optically bench tested at the Asahi > factory in Japan before being imported into > the USA by Honeywell. THEN, once Honeywell > got them, Every single lens was optically bench tested AGAIN > by Honeywell before being put for sale in > USA. This is why ( along with the superb build > quality ) there is such consistant high optical quality for these > lenses as the dogs were all rejected in the process.
How did the 20mm(?) (alleged) Bow-wow get through that? > > I doubt that many lenses today are subjected to > such high quality control. I am sure expensive > ones still are, but not the entire lens series. > It would be way too costly in today's market I would > especially when the build quality of many lenses > ( especially budget models ) would create more rejects. > > This brings up another thought, wouldnt it have been > cool to work in that test dept and have a company > discount to purchase the lenses? I mean, if a given > lens had to meet say, 75 lp/mm to pass test, and they > typically ran say, 80 to 85 lp/mm, what would be cool > would be to sit aside and buy the occasional 90 to 95 lp/mm > lens that might have squeaked thru once in a while. > Employees get to buy the "gems" so to speak! I wonder if this actually > occured, or maybe Pentax or Honeywell permitted it? That > would interesting to find out. > > jco > > > > > > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
