VIEW negatoscopes are assembled in accordance with safety rules and clinical directions that required a very white light (6500 Kelvin) for a precise reading of details. VIEW negatoscopes are equipped with one filtered plexiglass screen exempt from fault and they are painted with anti-scratching powder. Technical details. Screen size: 15 x 33 cm Overall size : 33x 20,5 x 7 cm Weight: 2,4 Kg Colour Temperature: Cool white 65 00 K