Noocyada eemuraayadda warshadahabarid
Waxaa badanaa ku jira afar nooc oo interface, oo ah f-Brace, C-Mount, CS-Brount, CS-Brount iyo M Mount. F-Mount waa interface guud ahaan ujeedo leh, oo guud ahaan waxay ku habboon tahay muraayadaha indhaha ee dhererka focal in ka dheer 25mm. Marka dhererka focal ee lenska ee lenska ay ka yar tahay 25mm, sababtuna tahay cabirka yar ee lens-ka ujeeddada, c-buur-galka ama buurta waxaa loo isticmaalaa, qaarna waxay adeegsadaan M12 interface.
Farqiga u dhexeeya c buuradka iyo cs buurta
Farqiga u dhexeeya C iyo CS Interfacs waa in masaafada laga fogeeyo dusha sare ee muraayadaha iyo kamaradda diyaaradda focal ee lens-ka (jagada halka ay kartaan dareeraha CCD-ga ee kamaradda ay tahay inay ka duwan tahay). Masaafada loo yaqaan 'C-Brat Mountface' waa 17.53mm.
Giraanta 5MM C / CS Adapter waxaa lagu dari karaa lens cs-buur, si loogu isticmaalo cameras-ka Nooca C.
Farqiga u dhexeeya c buuradka iyo cs buurta
Cabbirka aasaasiga ah ee muraayadaha warshadaha
Goobta Muuqaalka (Fov):
Fov waxaa loola jeedaa tirada muuqata ee sheyga la arkay, taasi waa, qaybta shayga lagu qabtay dareeraha kaamirada. (Tirada guud ee muuqaalka aragtida waa wax ay tahay in lagu fahmo xulashada)
Goobta aragtida
Fogaanta Shaqada (WD):
Waxaa loola jeedaa masaafada hore ee muraayadda hore ilaa shayga hoostiisa. Taasi waa, masaafada dusha sare ee sawirka cad.
Xallinta:
Cabbirka muuqaalka ugu yar ee lagu kala sooci karo ee shayga la baaro ee lagu qiyaasi karo nidaamka sawirka. Xaaladaha badankood, ka yar aragtida, ayaa si fiican u xallin kara xalka.
Qoto dheer ee Muuqaalka (DOF):
Awoodda muraayadaha indhaha si loo ilaaliyo xalka la doonayo marka waxyaabaha ay ku dhowdahay ama ka sii fogaanayaan diiradda ugu fiican.
Qoto dheer aragtida
Cayayaanka kale eemuraayadaha warshadaha
Cabbirka chip-ka ee sawirka:
Cabbirka aagga wax ku oolka ah ee chip-ka kaameeraha, guud ahaan waxaa loola jeedaa cabirka siman. Xukunkaani waa mid aad muhiim u ah in la go'aamiyo isbadalka muraayadaha saxda ah si loo helo aragtida la doonayo. Saamiga koowaad ee lenska aasaasiga ah ee lenska ah (PMAG) waxaa lagu qeexay saamiga cabirka cabirka dareeraha ah ee muuqaalka aragtida. In kasta oo cabbirrada aasaasiga ah ay ka mid yihiin cabirka iyo aragtida aragtida dhiigga ee sawirka, PMAG ma aha qiyaasta aasaasiga ah.
Cabbirka chip-ka
Dhererka focal (f):
"Dhererka focal waa cabir ku saabsan feejignaanta ama kala-baxa iftiinka ee nidaam indhaha ah, oo tilmaamaya masaafada ka socota xarunta indhaha ee lens-ka ee la saarayo iftiinka iftiinka. Sidoo kale waa masaafada u dhaxaysa bartamaha muraayadda ilaa diyaaradda sawirka sida filimka ama CCD kaameerad. f = {Masaafada Shaqada / Goobta Muuqaalka Muuqaalka Dhexdeeda (ama dhinaca gaagaaban)} XCCD dhinac dheer (ama dhinaca gaaban)
Saamaynta dhererka focal: dhererka yar ee focal, oo ka badan qoto dheer ee duurka; Dhererka yar ee focal, weynaanta dhalanrog; Dhererka yar ee focal, ayaa ka sii daran ifafaalaha muuqaalka, oo yareynaya iftiinka cidhifka geeska ka-saaridda.
Xallinta:
Muujisaa masaafada ugu yar ee udhaxeysa 2 dhibcood oo ay arki karaan dhowr muraayad ujeedo ah
0.61x loo adeegsaday mawjad-mareenka (λ) / na = xalka (μ)
Habka xisaabinta ee kor ku xusan ayaa aragti ahaan u xisaabin kara xalka, laakiin kuma dari karo dhalanrog.
※ Watch-ka la isticmaalo waa 550nm
QIIMAYNTA:
Tirada khadadka madow iyo caddaanka waxaa lagu arki karaa bartamaha 1mm. UNIT (LP) / MM.
MTF (FARSAMADA FARSAMADA)
Marf
Dhalanrog:
Mid ka mid ah tilmaamayaasha si loo cabbiro waxqabadka muraayadaha indhaha waa mid caajis ah. Waxay tixraacaysaa xariiqda tooska ah ee ka baxsan dhidibka ugu weyn ee diyaaradda maaddada, kaas oo noqda qalooca ka dib markii uu ku filan yahay nidaamka indhaha. Khaladaadka sawirka ee nidaamkan indhaha waxaa loo yaqaan dhalanrog. Xadhiga 'Cunnolotion Arooska ay saameeyaan kaliya jihada jikada, ma aha fiiqaynta muuqaalka.
Aperture iyo F-Number:
Xaashida loo yaqaan 'literalar' waa aalad loo isticmaalo xakameynta xaddiga iftiinka ee lagu gudbo muraayad, badiyaa gudaha muraayadda dhexdeeda. Waxaan u isticmaalnaa qiimaha F si aan u muujino cabirka aperture, sida F1.4, F2.0, F2.8, iwm.
Aperture iyo F-Number
Garaacista indhaha:
Qaaciddada loo isticmaalo xisaabinta saamiga ugu weyn ee xorta ahi waa sida soo socota: PMAG = cabirka dareemayaasha (mm) / Goobta aragtida (mm)
Soo bandhigida weyn
Soo bandhigida la soo bandhigida ayaa si ballaaran loogu isticmaalaa microscopy-ga. Magdiga shaashadda ee shayga la cabiray waxay kuxirantahay seddex arrimood: weynaanta indhaha ee muraayadaha, cabirka chip chip ee kamaradda warshadaha (cabirka dusha bartilmaameedka), iyo cabirka shaashadda.
Soo bandhigida isweydaarsiga
Qeybaha ugu muhiimsan ee muraayadaha warshadaha
Kala saaridda
• Dhererka focal: Prime iyo Zoom
• Aperture: aperture-ka go'an iyo isbadal doorsoomayaal ah
• Interface: c Interface, cs Interface, f Interface, iwm.
• Waxaa loo qaybiyaa isku-dhufashada: lens weyn oo laxiriira lens weyn, lns summo oo joogto ah
• muraayadaha aadka u muhiim ah ee badanaa loo isticmaalo warshadaha aragga ee makiinada badanaa waxaa ka mid ah muraayadaha FA,, muraayadaha muraayadaha indhaha iyo warshadaha warshadaha, iwm.
Qodobbada ugu muhiimsan ee ay tahay in lagu daro doorashada aLind Himilada Himilada:
1. Farshaxanka aragtida, weynaanta indhaha iyo masaafada shaqo ee la doonayo
2. Qoto dheer ee shuruudaha duurka ah: ee loogu talagalay mashaariicda u baahan qoto dheer oo garoonka ah, isticmaal aperda yar intii ugu yar ee suuragalka ah; Markaad dooranayso lens leh weyne, dooro muraayad leh weyne oo ku weyn illaa iyo inta ay u egtahay ruqsadaha mashruuca. Haddii shuruudaha mashruucuhu aad u baahan yihiin, waxaan u muuqdaa inaan doorto lens-geedka godka godka ah oo qoto dheer oo dhul ah.
3. Cabbirka dareemeyaasha iyo is dhexgalka kamaradda
4. Boos-bannaan
Waqtiga Post: Noven-15-2022