Ofesi 14
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Opto Tech Office 14 Progressive Lens
Nthawi zambiri, mandala akuofesi ndi mandala owerengera bwino omwe amatha kukhala ndi masomphenya omveka bwino pakati pawo.Mtunda wogwiritsidwa ntchito ukhoza kuwongoleredwa ndi mphamvu yamphamvu ya lens yaofesi.Mphamvu yamphamvu yomwe mandala imakhala nayo, imatha kugwiritsidwanso ntchito patali.Magalasi owerengera a masomphenya amodzi amangowongolera mtunda wowerengera wa 30-40 cm.Pa makompyuta, ndi ntchito zapakhomo kapena pamene mukuyimba chida, komanso mtunda wapakati ndi wofunikira.Mphamvu iliyonse yofuna kutsika (yamphamvu) kuchokera ku 0.5 mpaka 2.75 imalola kuwona mtunda wa 0.80 m mpaka 4.00 m.Timapereka magalasi angapo opita patsogolo omwe amapangidwira mwachindunjikugwiritsa ntchito makompyuta ndi maofesi.Ma lens awa amapereka zowonera zowoneka bwino zapakati komanso zapafupi, chifukwa chakugwiritsa ntchito mtunda.