
poro prism

prakashiki mein, ack poro prism, jiska naam isake aavishkaarak ignazio poro key naam parr rakhaa gayaa haye, ack prakaar kaa "reflection prism" haye jiska upayog optical upkaranon mein ack chhavi key abhivinyas koo badalane key liye kiya jaataa haye.
varnan.
isamen daahine konn vaale trikoniya chhor vaale daahine jyaamitiya prism key aakar key samagri kaa ack khand hotaa haye. operation mein, prakaash prism key badey aaytaakaar chehare mein pravesh kartaa haye, dhalaan vaale chehare seey dou baar kull aantarik pratibimb seey gujarta haye, aur badey aaytaakaar chehare key madhyam seey phir seey baahar nikalata haye. jaba prakaash samanya ghatana parr kaanch mein pravesh kartaa haye aur isaliye baahar nikalata haye, tou prism failaav naheen hotaa haye.
ack poro prism key madhyam seey yatra karane vaali chhavi koo 180° seey ghumaaya jaataa haye aur isake pravesh bindu seey vipareet disha mein baahar nikalati haye.
jabaki ack ekal poro prism kaa nirmaan kaam karane key saath-saath ack chhat prism key roop mein kiya jaa sakata haye, iska upayog shayed hii kabhi kiya jaataa haye. isaliye, ack poro prism key liye utpaadan kii laagat koo cumm karane key liye, chhat key kinare koo aamtaur parr chhod diyaa jaataa haye. kabhi-kabhi pravesh satah key roop mein kewal ack chhoti khidki aur nikas satah key roop mein ack khidki koo chamkaaya jaataa haye. chhat key prism aur poro prism key beach kaa antar yeh haye kii chhat key prism key liye chhat kaa kinara pravesh aur nikas beam key samaan tala mein hotaa haye, jabaki poro prism key liye (chhod diyaa gayaa) chhat kaa kinara beam dwara banaae gaye tala key liye orthogonal hotaa haye. isake alawa, chhat key prism mein koee visthaapan aur vichalan naheen hotaa haye joe aamtaur parr 45° aur 90° key beach hotaa haye, jabaki ack ekal poro prism mein beam aamtaur parr 180° seey vichalit hoti haye aur cumm seey cumm ack beam vyaas kii doori seey visthaapit hoti haye.
poro prism prakaash kiranon koo iss tarah seey pratibimbit curr sakate hain joe optical aksh key samanantar naheen hain kii way prism key hypotinues seey aantarik roop seey pratibimbit hotey hain. iss tarah kii ack akshiya kiran taba prism seey teesari baar paraavartit honey key baad nikalati haye, iss prakaar gair-chhavi banaane vaale awara prakaash koo pesh karati haye aur contrast koo cumm karati haye. prism key hypotinues chehare key kendra kii chaudaai key paar ack khancha yaa nishan lagaakar abaxial reflection koo samaapt kiya jaa sakata haye, joe inn hanikarak reflection koo avaruddh kartaa haye.
double poro prism yaa poro 1 optical system.
poro prism kaa upayog aksar jode mein kiya jaataa haye, jisase ack double poro prism banata haye. pahale key sambandh mein 90° ghumaaya gayaa doosara prism iss tarah rakhaa jaataa haye kii prakaash donon prism koo paar curr jaayega. prism pranali kaa shuddh prabhaav ack beam haye joe isake samanantar haye lekin apani mool disha seey visthaapit haye, jisamen chhavi 180° ghoomati haye. ack dohri poro pranali chaar aantarik pratibimb pradaan karati haye. choonki prakaash kaee baar samaan roop seey paraavartit hotaa haye, isaliye chhavi kii hastata naheen badali haye.
dohare poro prism system kaa upayog chhote optical telescope mein ack ulte chitra koo phir seey unmukh karane key liye kiya jaataa haye (ack vyavastha koo "chhavi nirmaan pranali" key roop mein jaanaa jaataa haye), aur vishesh roop seey kaee doorbeen mein jahaan way donon chhavi koo khadaa karate hain aur vastunishth lens aur ips key beach ack lambi, mudee hui doori pradaan karate hain. jaba dou prism key beach ack vayu antaral hotaa haye tou chaar kaanch/vayu sankraman satah hoti hain. 
kabhi-kabhi, dohare poro pranali key dou ghatakon koo ack saath cement kiya jaataa haye, aur vajan aur aakar koo bachaane key liye prism koo kaataa jaa sakata haye aur kaanch/havaa sankraman satahon koo dou taka cumm kiya jaa sakata haye aur isaliye prakaash sancharan haani hoti haye.
poro 2 optical system.
dusare prakaar key prakaar kaa ack poro prism bhee haye, jisamen vibhinn aakaron key teen prism hotey hain joe ack saath hoe sakate hain aur aamtaur parr cement kiye jaate hain aur beam path koo chaar baar 90° seey vikshepit bhee karate hain. dohare-pratibimbit ardh-ghana prism koo dou chhote, kewal ack baar pratibimbit ardh-ghana prism key beach rakhaa jaataa haye. baahari prism key pramukh khand kendriya prism key samkon parr vyavasthit hotey hain. iska laabh yeh haye kii beam path kii koee urdhvaadhar offset naheen haye. dusare prakaar kii optical pranaliyon kaa poro prism bahut aam naheen haye aur aam taur parr badey aur sainya doorbeen mein lagu kiya jaataa haye.
poro-aib aur poro-parjar optical system sanskaran.
isi prakaar key dusare prakaar key poro prism kaa ack anya prakaar poro-abbe prism haye; ack dou prism sanskaran joe doorbeen mein paaramparik dohare poro prism pranali kii tulanaa mein paarshv kiran aksh koo 23 pratishat taka cumm curr detaa haye.
poro-abbe dou prism sanskaran koo aage parjar prism mein vikasit kiya gayaa haye, joe poro aur roof topp prism key gunon koo jodata haye, jisamen beam path kii kewal ack chhoti see offset kii aavashyakta hoti haye aur ack maapane vaali beam yaa ack prakaashit pradarshan koo bhee saksham kartaa haye. 2013 taka, purger prism kaa vyaavsaayik roop seey chhote paimaane parr purger-poro prism system doorbeen mein ekikrit lazer renz finder key saath upayog kiya jaataa haye.
doorbeen.
paaramparik roop seey doorbeen mein dohare poro prism design kaa upayog kiya jaataa thaa, jisake parinamswarup ack vishisht offset, zig-zaig aakar hotaa thaa. chhat key prism design ack saral baahari anumati dete hain, aur abb aam hain lekin way utpaadan key liye adhik mahange hain. utpaadan aavashyaktaon koo jatil banaane seey uchch gunavatta vaale chhat prism design doorbeen kaa utpaadan optical gunavatta key samatulya poro prism doorbeen kii tulanaa mein apekshaakrit mahanga hoe jaataa haye. achchi gunavatta vaale poro prism design doorbeen aksar prism key hypotinues faces center kii chaudaai key paar gahari khaanche yaa nokon key baare mein pesh karate hain, taaki chhavi kii gunavatta koo cumm karane key liye akshiya gair chhavi-nirmaan pratibimbon koo samaapt kiya jaa sakey. jaise-jaise maanav aankhen apani antarveshak doori seey ergonomic roop seey seemit hoti hain, badey (60 + mimi chaude) vyaas key vastunishth lenson kii offset aur prithakkaran aur ips ack stereoscopic optical utpaad mein ack vyaavhaarik laabh bunn jaataa haye.
2020 key dashak kii shuruat mein poro prism prakaar key doorbeen kii vaanijyik bajar hissedari anya prism prakaar key optical designs kii tulanaa mein doosari sankhya mein bunn gaee thee.
camers mein upayog karein.
adhikansh ekal lens reflex cameray chhat key pentaprism kaa upayog karate hain, aur isaliye ack vishisht sheersh "shikhar" hotaa haye. isake vipareet, ack poro prism ack bahut adhik saaf-suthra design kii anumati detaa haye, jaisa kii nimnalikhit models mein upayog kiya jaataa haih

