is 1.25 MB, has a resolution of 1192x1280 pixels and was uploaded on January 3, 2019 @ 5:30 pm by user: helgabnn. It is filed under the tags: porro prism, contrast, optical instrument, binoculars, magnification. Click the blue button at the top to freely download: Binoculars Monocular Optics Porro Prism Magnification png.