Ejiri silicone ọkwa nri mee ọkpọkọ. Ọkụ Okpokoro Isi , Mbufe mmiri ebipụtara agba. Silicone Downstem nwere iko ihuenyo iko nwere okpu silicone. Enwere ike ihichapụ na Bottom. Ụlọ dị n'okpuru ala.
A na-edozi agba nke onyonyo anyị site na nyocha ọkachamara nke bụ otu ngwaahịa ahụ n'ezie. Agbanyeghị, chromaticaberration dị n'ihi ngwaọrụ ngosipụta dị iche iche. Ọ bụrụ na ị nwere ihe siri ike maka agba, biko buru ụzọ kpọtụrụ anyị iji kwado agba.