Examine photographic negatives for defects and paint over them.
What does a Blocker II do?
Examines photographic negatives for defects and paints over defects preparatory to transferring images to sensitized zinc plates or copper rollers, using measuring instruments, brushes, and handtools: Spreads negatives over illuminated table and marks register points on negatives, using straightedge, triangle, and scriber. Examines negatives to detect pinholes and to locate line along which design will be fitted around sensitized rollers or mounted on zinc plates. Masks pinholes and extra images on film, using brushes and opaque. Scratches out undesirable spots and lines, using knife or pin. Compares masked films with original design to verify conformance to specifications. May lay out and print customer’s legend on films. May correct spelling, punctuation, and grammatical errors on negative proofs, using standard proofreading symbols.