{"id":342068,"date":"2023-12-26T09:17:15","date_gmt":"2023-12-26T09:17:15","guid":{"rendered":"\/forum\/forums\/topic\/airy-disk-spot-size-resolution\/"},"modified":"2023-12-26T09:17:15","modified_gmt":"2023-12-26T09:17:15","slug":"airy-disk-spot-size-resolution","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/airy-disk-spot-size-resolution\/","title":{"rendered":"Airy disk, spot size, Resolution"},"content":{"rendered":"<p>can you plz help to understand these statements<\/p>\n<p>&nbsp;the spot size depends on the wavelength and F\/#W, but the resolution<br \/>depends on the wavelength and entrance pupil diameter<br \/>&nbsp;So a big F\/3 lens can resolve finer detail than a small f\/3 lens, even though the spot sizes are the same, because the image plane is further away.<\/p>\n<p>Spot size Diameter (D)2*(1.22*lambda\/NA)=2.44*lambda\/NA&nbsp;<\/p>\n<p>How for big lenses image plane is further away?<\/p>\n","protected":false},"template":"","class_list":["post-342068","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["39090","50911"],"_bbp_author_ip":["23.206.193.59"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1113"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["342068"],"_bbp_forum_id":["27816"],"_bbp_engagement":["39090","50911"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_reply_count_hidden":["1"],"_bbp_last_reply_id":["343456"],"_bbp_last_active_id":["343456"],"_bbp_last_active_time":["2024-01-05 19:55:23"]},"test":"uzmayaqoob1960gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/342068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/342068\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=342068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}