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#1
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'new' metrogon quesiton - white internal rear parts
Have a later version Metrogon.
Note the picture showing the rear internal and external surfaces that face the film. The aperture stop and the internal surrounding rear parts are WHITE. I have never seen this before. What could the rationale be? Has the manufacturer (Fuji in this case, I think) have discovered something counterintuitive but useful? See pictures he http://www.digoliardi.net/metro/met1.jpg http://www.digoliardi.net/metro/met2.jpg http://www.digoliardi.net/metro/met3.jpg http://www.digoliardi.net/metro/met4.jpg |
#2
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'new' metrogon quesiton - white internal rear parts
On 7/18/2008 4:40 AM John spake thus:
Have a later version Metrogon. Note the picture showing the rear internal and external surfaces that face the film. The aperture stop and the internal surrounding rear parts are WHITE. I have never seen this before. What could the rationale be? Has the manufacturer (Fuji in this case, I think) have discovered something counterintuitive but useful? See pictures he http://www.digoliardi.net/metro/met1.jpg http://www.digoliardi.net/metro/met2.jpg http://www.digoliardi.net/metro/met3.jpg http://www.digoliardi.net/metro/met4.jpg Heed the 'Stones song: Paint It Black. -- "Wikipedia ... it reminds me ... of dogs barking idiotically through endless nights. It is so bad that a sort of grandeur creeps into it. It drags itself out of the dark abyss of pish, and crawls insanely up the topmost pinnacle of posh. It is rumble and bumble. It is flap and doodle. It is balder and dash." - With apologies to H. L. Mencken |
#3
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'new' metrogon quesiton - white internal rear parts
David Nebenzahl wrote:
Heed the 'Stones song: Paint It Black. Aren't you curious as to whether there may be a reason they painted it white? As counter-intuitive as it may seem, I'm sure you have come about situations where engineering found a reason to go against common sense. |
#4
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'new' metrogon quesiton - white internal rear parts
John wrote:
Have a later version Metrogon. Note the picture showing the rear internal and external surfaces that face the film. The aperture stop and the internal surrounding rear parts are WHITE. I have never seen this before. What could the rationale be? Has the manufacturer (Fuji in this case, I think) have discovered something counterintuitive but useful? See pictures he http://www.digoliardi.net/metro/met1.jpg http://www.digoliardi.net/metro/met2.jpg http://www.digoliardi.net/metro/met3.jpg http://www.digoliardi.net/metro/met4.jpg I definitely do not know, but might it not be to reject heat from the bulb behind the film so that dimensions do not change from heat? -- .~. Jean-David Beyer Registered Linux User 85642. /V\ PGP-Key: 9A2FC99A Registered Machine 241939. /( )\ Shrewsbury, New Jersey http://counter.li.org ^^-^^ 21:15:01 up 23 days, 6:35, 4 users, load average: 4.01, 4.07, 4.09 |
#5
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'new' metrogon quesiton - white internal rear parts
On 7/18/2008 6:04 PM John spake thus:
David Nebenzahl wrote: Heed the 'Stones song: Paint It Black. Aren't you curious as to whether there may be a reason they painted it white? As counter-intuitive as it may seem, I'm sure you have come about situations where engineering found a reason to go against common sense. Actually, yes. It does seem counterintuitive, or just plain wrong. Wonder if it was done for cosmetic (i.e., marketing) reasons. Richard? -- "Wikipedia ... it reminds me ... of dogs barking idiotically through endless nights. It is so bad that a sort of grandeur creeps into it. It drags itself out of the dark abyss of pish, and crawls insanely up the topmost pinnacle of posh. It is rumble and bumble. It is flap and doodle. It is balder and dash." - With apologies to H. L. Mencken |
#6
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'new' metrogon quesiton - white internal rear parts
"John" wrote
I'm sure you have come about situations where engineering found a reason to go against common sense. They were drunk... Going against one's common sense is one of Engineering's deadly sins -- it is a hard-bitten, flinty and skeptical profession. Failure is a very public spectacle. If you are looking at engineering without common sense then you most likely looking at a physicist parading as an engineer. And, as Twain (?) said: "Common sense isn't". Now, a rational reason why those components would be painted white is hard to come by: 1) The wrong paint was specified on the engineering drawing: instead of Paint 1180-3512-11 it called out 1180-3521-11. The factory made a 100 exactly to specification, just to show engineering what's what. 1a) The factory used the wrong paint, as above. Engineering noticed it, but didn't say anything until the factory made 100 with white paint, just to show the factory what's what. 2) A physicist (or mathematician) was involved. Some relative of Zeno's paradox was invoked to prove white was the blackest of blacks. 3) Somebody was drunk. 4) **** happens. If it was really meant to be white ... clutching at straws ... it's highly visible if the rear cell hasn't been screwed in and it is designed that way to prevent screw-ups in the field? See, it's not a bug, it's a feature - sez marketing. -- Nicholas O. Lindan, Cleveland, Ohio Darkroom Automation: F-Stop Timers, Enlarging Meters http://www.darkroomautomation.com/index2.htm n o lindan at ix dot netcom dot com |
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