Mike, there's at least one company (that i know of) in Germany producing backside free-form glass lenses (Rupp + Hubrach, with a BBGR design). They are using OptoTech machines. But of course these...
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Mike, there's at least one company (that i know of) in Germany producing backside free-form glass lenses (Rupp + Hubrach, with a BBGR design). They are using OptoTech machines. But of course these...
greetings from a german living in Switzerland ...
Next one is Classic Optical ....
http://www.visionmonday.com/ViewContent/tabid/211/content_id/42313/catId/103/Default.aspx
I don't think cooling too fast can be responsible for axis problems, but of course as written for power (or prism) problems.
About the cooling of the alloy block there is a funny amount of...
I think at the moment there are very few labs NOT producing Hoya lenses (at least here in Europe). Even many labs owned by their biggest competitors are producing for them. No wonder, if some do not...
The V-pro is basically able to generate free form surface (at least the V-pro "i"), but the surface quality is too poor to be only polished with soft tools. And unfortunately there is no free form...
58/7 is certainly diameter and height (in mm), 5.6 most probably the prism angle in degree (or diopter in tool index).
Could be an AO VIP or an Essilor Super No-Line (http://www.thelensguru.com/identifiers.php) depending if the markings have circles or rectangles.
From my point of view the only unreducible cost of a lens depends of the lens material. The casting of a progressive blank is not costing significantly more than a single vision and the surfacing,...
Hi DocInChina,
these file types are used by the laser marking software EzCAD of this company:
http://www.bjjcz.com/
you can download a demo version that is able load the files but not save....