Quartz and Tuning Fork Battery Operated Watches
Discussing quartz and tuning fork watch movements
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Posts
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By ManSkirtBrew · Posted
More than enough. Here's mine at the height I work at. I think the working distance with the included 0.5x Barlow lens is about 9". So yes, that halves the magnification. The full story is the objective lens goes from 0.7x to 4.5x. The eyepieces are 10x, giving you the advertised magnification of 7x-45x. However the working distance is unacceptably short, so it comes with an 0.5x Barlow lens, reducing the magnification range to 3.5x-22.5x, but giving you a good working distance. What I did was buy a pair of Extreme Widefield 20x Eyepieces for when I need more magnification. You keep your high working distance, but get your 45x magnification back, at the cost of some width of field. -
By Neverenoughwatches · Posted
Modern ones after blue steel, invar, elinvar and nivarox , the shiny one are not supposed to become magnetised. But i have had them jump to tweezers. And i dont really understand the comment that what can be magnetised is the stud carrier and rate regulator and they can attract the hairspring ? If the hairspring is non magnetic then how can it be attracted to something else thats become magnetise, its non magnetic , that doesn't really make sense to be ? -
By Neverenoughwatches · Posted
Does it say 17 jewels on the dial or on the movement ? -
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By Neverenoughwatches · Posted
Lots of rust on that hairspring Nev, would you even try to clean it up ?
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