DIN ISO 14490-9:2021 Edition
$22.10
Optics and photonics – Test methods for telescopic systems – Part 9: Test methods for field curvature
Published By | Publication Date | Number of Pages |
DIN | 2021-01 | 11 |
This document specifies the test method for the determination of the deviation from a flat image surface, i.e. the sagittal and tangential field curvature of telescopic systems and observational telescopic instruments.