Igwefoto fotochromic bụ oghere na-agbanwe agba na-agbanwe site na ngbanwe nke ìhè mpụga. Ọ nwere ike ịgba ọchịchịrị ngwa ngwa n'okpuru ìhè anyanwụ, nnyefe ya na-agbada nke ukwuu. Ka ọkụ ahụ na-esiwanye ike, na-agba ọchịchịrị agba nke oghere, na ọzọ. Mgbe a na-eweghachi oghere n'ime ụlọ, agba nke oghere ahụ nwere ike ịlaghachi ngwa ngwa na ọnọdụ nghọta izizi. Mgbanwe agba na-adabere na isi ihe na-achọpụta agba n'ime oghere. Ọ bụ mmeghachi omume mgbanwe kemịkalụ. N'ikwu okwu n'ozuzu, e nwere ụdị teknụzụ mmepụta oghere fotochromic atọ: in-mass, spin cover, na ntinye mkpuchi. Lens mere site n'ụzọ nke na-oke mmepụta nwere ogologo na kwụsiri ike prod ...
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