B.I.G. BIG test plate RES7

The RES 7 test panel, in size 32 × 47cm with a matte finish, is designed for photographers, to test the image quality and to assess the limits of resolution of the camera and lens.

The board can be used to measure the image quality of digital cameras, measure the resolution of optical devices (magnification 30-50×), control the exposure, roughly determine low-resolution lenses (5-10×) and control the focus and depth of field become.