orthoscopic
/ˌɔrθəˈskɑpɪk/
adjective
- Relating to an optical device or system that produces an image with correct proportions and without distortion.
- The orthoscopic eyepiece gave a clear, flat view of the stars without any bending at the edges.
- The microscope's orthoscopic design allowed the scientist to measure the specimen accurately.
- Photographers prefer orthoscopic lenses for architectural shots because they keep straight lines straight.