Solid slide frame, viewer and correcting pattern mask assembly regulates the negative film space on observation of the solid image to acquire the optimum perspective sense

摘要

A kind of solid slide frame which could adjust the solid image perspective sense to the optimum state, wherein it comprises a bottom frame3; a guide settled in the horizontal direction; two negative film seat 2 enveloped into said guide; and a cap frame1. The negative film is installed on two negative film seats of said bottom frame3, and the above-mentioned solid slide frame is installed in the viewing means of which it equips the concave wheel apparatus having adjustable negative film seat space. It could regulate the negative film space when viewing the solid image in order to acquire the optimum perspective sense; and install the cap frame after regulating process.