Girman firikwensin kamar yadda aka ƙayyade a cikin inci (misali 1/2 ", 1") na iya zama ƙayyadaddun rikice-rikice. A zahiri baya nufin girman diagonal na firikwensin kamara. Za'a iya samun ma'auni na zahiri na firikwensin kamara a cikin ƙayyadaddun 'Yanki mai Inganci', ko ta hanyar ninka girman pixel a cikin ma'aunin X ta adadin pixels a cikin X, kuma akasin haka na Y.
Ƙayyadaddun 'Sensor Size' hakika ƙayyadaddun ƙayyadaddun masana'antu ne wanda ke nufin girman ruwan tabarau na bututu wanda zai dace da firikwensin. Kodayake yana da alaƙa da girman na'urar firikwensin, ƙayyadaddun 1 "'Sensor Size' ba yana nufin cewa diagonal na firikwensin zai zama daidai 1". Bugu da ari, kamar yadda aka saba amfani da zagaye zuwa ƙayyadaddun 'Size Sensor', za a gabatar da wasu kurakurai.
Teburin ƙima na gama-gari da madaidaicin girman diagonal ɗinsu a mm an haɗa su a ƙasa. Don ƙididdige kimanin girman diagonal na firikwensin daga ƙayyadaddun 'Sensor Size', dole ne a yi amfani da dabarun da ke ƙasa, kodayake a lura cewa wace dabara za a yi amfani da ita ta dogara da ƙimar ƙayyadaddun 'Sensor Size' don dalilai na tarihi.

Ƙididdigar ƙididdigar Girman Sensor
Don girman firikwensin ƙasa da 1/2 ":

Don girman firikwensin ƙasa da 1/2 ":
