Large Field Corrector, NP101/NP101is/NP127is

The Large Field Corrector optimizes images at the edge of field when imaging through the Tele Vue-NP101, NP101is and NP127is telescopes. Recommended for cameras with diagonal sizes larger than APS format or in all sensor formats when the sensor pixels are < 6 µm. See telescope manual for backspacing. For non Imaging System Tele Vue-NP101 use 77.3mm +/- 1.6mm.