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- Feb 27, 2009
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Hi all,
I've heard that there are two types of loupes: flip-ups, which can be easily removed by myself from my glasses using a small screw driver, and TTL, which are fixed to the glasses' frame/lenses and require sending the entire glasses-loupes assembly back to the manufacturer for reinstallation if my eye prescription change. If I choose to go with TTL loupes, can I send my current prescription glasses to the loupes manufacture and get them to install their loupes onto it? Or does the loupes manufacturer always provide prescription glasses along with the loupes for all TTL purchases?
Also, how fatiguing is the extra weight of flip-ups?
I'm thinking of purchasing new glasses next week.
Thanks to all who respond.
I've heard that there are two types of loupes: flip-ups, which can be easily removed by myself from my glasses using a small screw driver, and TTL, which are fixed to the glasses' frame/lenses and require sending the entire glasses-loupes assembly back to the manufacturer for reinstallation if my eye prescription change. If I choose to go with TTL loupes, can I send my current prescription glasses to the loupes manufacture and get them to install their loupes onto it? Or does the loupes manufacturer always provide prescription glasses along with the loupes for all TTL purchases?
Also, how fatiguing is the extra weight of flip-ups?
I'm thinking of purchasing new glasses next week.
Thanks to all who respond.