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Made in Japan vs. Made in Philippines
on May 13, 2011
I ordered two of these, one for a Panasonic Lumix 14mm 2.5 and another for a Panasonic Lumix 20mm 1.7, both 46mm. When I received them, one turned out to be Made in Japan, the other Made in Philippines. I noticed a couple minor differences:
1. Cosmetic - The Japan filter has a glossier black paint finish, while the Philippines filter is more of a matte black metal finish.
2. Optic - I held up the filters at an angle to see the reflections from a fluorescent light bulb. The reflection from the Philippines glass is a much darker green than the Japan glass, which is a much lighter green tint. Not sure if this means there's more UV coating, but I haven't noticed any image quality differences.