गुबुन सासे जन ( Johann John ) आ गावनि आनजादफोरनि गेजेरजों मोनसे गोदान बाथ्रा बुंलांदों दि थावजों सिग्लाबहोनाय लेखाबिलाइनि जायगायाव , 1685 आव केमेरानि सिङाव स्क्रीनाव बाहायो ।
An another inventor Johann John has done a new thing during his experiments that instead of oily paper , in 1985 used dim glass on the inside screen of the camera .