Gaan ta valoi, rea life based sotti ktha... Tobe ajke abr ami kisu advice dibo apnake. Jkhn video banaben, camera r lens ta aktu clean kore niben, karon amra saradin mobile use kori so camera r lens er upor finger print pore jai r tkhn video record korle video ghola ase. Tachara video record er somoy lighting ta kheyal korben tahole dekhben video r chehara full change kore jabe. Camera r lens clear korlei dekhben onk change ashbe...

By the way, gaan vule gesen kno? :P