Ko te tawhiti i te kaitirotiro me tūranga tona kanohi i muri i te karu i roto i te tikanga ki te kite i te whakapakoko unvignetted. Ko te roa o te roa arotahi o te karu, te nui atu te arotahi kanohi pea. Ka taea e te binoculars whai arotahi kanohi rere i te tahi mau milimita ki 2.5 henimita atu ranei. Ka taea e arotahi kanohi kia tino nui hoki mo te kaikawe karaihe. Ko te kanohi o te kaikawe karaihe ko te tikanga tawhiti atu i te wahi kanohi e titau i te arotahi kanohi roa ki te karo i te vignetting me, i roto i te tino take, ki te tiaki i te mara katoa o te tirohanga. Ka taea hoki te binoculars ki te arotahi kanohi poto kia uaua ki te whakamahi i roto i ngā take i reira ko reira uaua ki te pupuri ia ratou pūmau. Pātai: Me whakanuia te roa arotahi poto ranei mo te arotahi kanohi roa?
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