Na gani Prisms
Prisms ƙwararrun na'urorin gani na gilashi waɗanda ke ƙasa kuma an goge su zuwa sifofin geometric da mahimmin gani. Matsakaicin kusurwa, matsayi, da adadin saman suna taimakawa ayyana nau'in da aiki. Prisms tubalan gilashin gani ne tare da filaye da aka goge a daidai kusurwoyi masu sarrafa juna, kowane nau'in prism yana da takamaiman kwana wanda hanyar haske ta lanƙwasa. Ana amfani da prisms don jujjuyawa, juyawa, jujjuyawa, tarwatsa haske ko canza polarization na katakon abin da ya faru. Suna da amfani don ninka tsarin gani ko jujjuya hotuna. Ana iya amfani da prisms don juya da mayar da hotuna dangane da aikace-aikace. SLR kyamarori da binoculars duk suna amfani da prisms don tabbatar da hoton da kuke gani a daidai lokacin da abun yake. Wani abu mai mahimmanci da za a yi la'akari da shi lokacin zabar prism shine cewa katako yana nunawa da yawa saman a cikin na'urar gani, wannan yana nufin tsawon hanyar gani ta hanyar prism ya fi tsayi fiye da abin da zai kasance a cikin madubi.
Akwai manyan nau'ikan prisms guda huɗu dangane da ayyuka daban-daban: watsawa prisms, karkata, ko tunani prisms, juyi prisms, da ƙaura prisms. Juyawa, ƙaura, da jujjuyawa prisms sun zama ruwan dare a aikace-aikacen hoto; tarwatsa prisms an yi su ne don tarwatsa haske, don haka bai dace da kowane aikace-aikacen da ke buƙatar hotuna masu inganci ba. Kowane nau'in prism yana da takamaiman kusurwa wanda hanyar haske ta lanƙwasa. Wani abu mai mahimmanci don tunawa lokacin zabar prism shine cewa katako yana nunawa da yawa saman a cikin na'urar gani, wannan yana nufin tsayin hanya na gani ya fi tsayi fiye da abin da zai kasance tare da madubi.
Watsawa Prisms
Watsewar prism ya dogara ne akan joometry na prism da ma'aunin rarrabuwar ma'anar sa, dangane da tsayin daka da fihirisa na refraction na priism substrate. Matsakaicin mafi ƙarancin karkata yana nuna mafi ƙarancin kwana tsakanin hasken abin da ya faru da hasken da ake watsawa. Koren tsayin haske ya karkata fiye da ja, kuma shuɗi fiye da duka ja da kore; ja an fi bayyana shi azaman 656.3nm, kore kamar 587.6nm, da shuɗi kamar 486.1nm.
Juyawa, Juyawa, da Matsuguni Prisms
Prisms waɗanda ke karkatar da hanyar hasken, jujjuya hoton, ko kawar da hoton kawai daga kusurwoyinsa na asali suna taimakawa a yawancin tsarin hoto. Ana yin karkatar da Rayuka a kusurwoyi 45°, 60°, 90°, da 180°. Wannan yana taimakawa wajen tattara girman tsarin ko daidaita hanyar ray ba tare da shafar sauran saitin tsarin ba. Ana amfani da prisms na juyawa, irin su kurciya prisms, don juya hoto bayan an juya shi. Matsuguni prisms suna kula da alkiblar hanyar hasken, duk da haka daidaita dangantakarta da ta al'ada.
