I disagree with you on one point. I do fear that what is lost in our times is the old notion of apprenticeship. For it to happen, you need a clear trade master, a person whose authority on the matter is clear, recognized and undisputed. In the field of camera and lens repair, I fear this will become rare.
I disagree with you on one point. I do fear that what is lost in our times is the old notion of apprenticeship. For it to happen, you need a clear trade master, a person whose authority on the matter is clear, recognized and undisputed. In the field of camera and lens repair, I fear this will become rare.
Yeah, it is a bit of a post-apocalyptic Mad Max world. I bet that 50 years ago you could call Kodak and they'd connect you to an optical engineer who would give you just the info you want. Now you'd just get an MBA trying to sell you a subscription to nothing. 40 year ago I was involved in a project with a museum archive and we talked to both the Kitt Peak astronomers on their technical film issues (no digital imaging) and to Kodak on spectral and exposure response of their emulsions. Got informed, science-based answers. Those days are probably gone for good.I disagree with you on one point. I do fear that what is lost in our times is the old notion of apprenticeship. For it to happen, you need a clear trade master, a person whose authority on the matter is clear, recognized and undisputed. In the field of camera and lens repair, I fear this will become rare.
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I do fear that what is lost in our times is the old notion of apprenticeship. For it to happen, you need a clear trade master, a person whose authority on the matter is clear, recognized and undisputed. In the field of camera and lens repair, I fear this will become rare.
I'm glad someone finally mentioned Wittgenstein."It's not difficult Manuel. It's not a proposition by Wittgenstein."
I'm glad someone finally mentioned Wittgenstein.
the internet is our best approximation of a hive-mind.
Most apprenticeships have been modernized quite a bit - not a single trade master, but instead recognized and officially shared sources of information, combined with experienced mentors who themselves are regularly evaluated.
For clarity, my reference to apprenticeships was a general one. I wasn't referring to apprenticeships for camera technicians - I don't have enough information about the status of that industry.
Before she retired, my wife was very involved with programs that enabled students in public high schools to both complete their high school graduation requirements and begin their certified apprenticeships in trades like plumbers, electricians, carpenters, motor vehicle technicians, etc.
A lot of young people are graduating out of high school with good marks in science and math, as well as a partially completed apprenticeship. And the fact that they also generally have been making good money already doesn't hurt!
B&H are professional retailers; does that count as "pro"?
Anyway, they have a good article on how to clean lenses:
How to Clean Your Lens and Filters
Mark Overton
I'm not so sure. I looked him up, and that's 30 minutes of my life I'll never get back. ;-)I'm glad someone finally mentioned Wittgenstein.
I once bought a supposedly good Cooke Aviar. It was hazy. So I tried all of the usual solvents. No effect. Having nothing better to do, I examined the offending surfaces under my dissecting 'scope. 40x was enough to reveal that the glass was corroded. Tiny, tiny pits all over. Oh, well.
I find it fascinating that lenses have been around for almost 200 years and there is no absolute consensus on what's best to remove (or start removing) haze and fungus.
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