div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=constrained-inside-airys-disk-resolution-limit-field-limit-0250-from-opticalhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: WordPresscom · constrained inside Airys disk resolution limit Field limit 0250 from optical axis Optical axis 0170 from optical axis Figure 3: Spot diagrams black circle loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220501225f5289ee3f9172363c209c41html5thumbnails1jpg width=140 height=200 divdiv