1.Ngā whakairinga arotahi ahumahi
E toru ngā kaupapa matuaarotahiNgā momo whakairinga: Maunga-F, Maunga-C, me Maunga-CS. He whakairinga whānui te Maunga-F, e tika ana mō ngā karāhe he roa arotahi neke atu i te 25mm; engari mēnā he iti iho i te 25mm te roa arotahi o te karāhe arotahi, ka whakamahia he Maunga-C, he Maunga-CS rānei, ā, ko ētahi e whakamahi ana i te whakairinga M12.
Ko te rerekētanga i waenga i te Cwhakairime te CSwhakairi:
Ko te rerekētanga i waenga i ngā atanga C-mount me CS-mount kei te tawhiti mai i te mata pa o te arotahi-kāmera ki te papa arotahi o te arotahi (te tūranga kei reira te pūoko whakaahua CCD o te kāmera): ko tēnei tawhiti he 17.53 mm mō te C-mount me te 12.5 mm mō te CS-mount.
He hototahi ngā arotahi C-mount me ngā kāmera C-mount, ā, he hototahi hoki ngā arotahi CS-mount me ngā kāmera CS-mount. Ka taea te whakamahi i te arotahi C-mount me te kāmera CS-mount mā te tāpiri i tētahi mowhiti urutau C/CS 5mm. Heoi, kāore e taea te whakamahi i te arotahi CS-mount me te kāmera C-mount.
Ngā whakairinga arotahi ahumahi
2.Ngā tawhā taketake o ngā arotahi ahumahi
1)Te Mara Tirohanga (FOV)E pā ana ki te wāhi e kitea ana o te mea e tirohia ana—tērā pea ko te wāhanga o te mea e whakakī ana i te pūoko whakaahua o te kāmera. (He mea nui te tirohanga whānui hei whakaaroaro māu i te wā e whiriwhiri ana i tētahi tauira.)
Kauwhata tirohanga āpure
2)Tawhiti Mahi (WD): E pā ana ki te tawhiti mai i mua o tearotahiki te mea e tirotirohia ana—ina koa, te tawhiti ki te mata e puta ai he ahua mārama. (Ko ngā mea matua hei whakaaroaro i te wā e whiriwhiri ana ko te taea te whakarerekē i te tawhiti mahi me te nui o te wāhi tāutanga.)
3)WhakataungaKo te rahi o te āhuatanga whakatau iti rawa o te mea e tirotirohia ana ka taea e te pūnaha whakaahua te kite. I te nuinga o te wā, ko te iti o te tirohanga, ko te pai ake o te taumira.
4)Te Hōhonutanga o te Āpure (DOF)Ko te kaha o te arotahi ki te pupuri i te taumira e hiahiatia ana ina tū tata atu te mea ki te pūwāhi arotahi tino pai, ki tawhiti atu rānei i a ia. (Me whakatau mēnā he whakaritenga motuhake tā te kiritaki mō te hohonutanga o te tirohanga.)
Te hoahoa hōhonutanga o te mara
3.Ētahi atu tawhā o ngā arotahi ahumahi
1)Rahi o te pūoko whakaahua: Te rahi o te wāhi hohe o te pūoko whakaahua o te kāmera, e pā ana ki te whānuitanga whakapae. He mea nui tēnei tawhā hei whakatau i te whakanui arotahi e tika ana hei whakatutuki i te whānuitanga tirohanga e hiahiatia ana. Ko te whakanui tuatahi o te arotahi (PMAG) ka tautuhia e te ōwehenga o te rahi o te pūoko whakaahua ki te whānuitanga tirohanga. Ahakoa he tawhā taketake te rahi o te pūoko whakaahua me te whānuitanga tirohanga, kāore te PMAG tonu i te whakarōpūtia hei tawhā kotahi.
Te hoahoa hoahoa o te maramara whakaahua-tairongo
2)Roanga arotahi (f)He ine i te huihuinga mārama, te wehewehenga rānei i roto i tētahi pūnaha whatu, e tautuhia ana ko te tawhiti mai i te pokapū whatu o tearotahiki te pūwāhi arotahi e hūnuku ai te mārama. I roto i te kāmera, e pā ana ki te tawhiti mai i te pokapū o te arotahi ki te papa whakaahua (pēnei i te kiriata, i te pūoko CCD rānei). (Tātai hei maumahara): f = {Tawhiti Mahi / Taha Roa (Taha Poto rānei) o te Mara Tirohanga} × Taha Roa (Taha Poto rānei) o te CCD.
Ko ngā pānga o te roa arotahi koia ēnei: Ko te poto ake o te roa arotahi, ko te hohonu ake o te mara; ko te poto ake o te roa arotahi, ko te nui ake o te hē; ā, ko te poto ake o te roa arotahi, ko te kaha ake o te whakaahua poto, ka iti ake te māramatanga i ngā taha o te ahua.
3)Whakataunga: E tohu ana i te wehenga iti rawa i waenga i ngā pūwāhi e rua ka taea te kite mā te huinga karāhe arotahi.
0.61 × Roanga Ngaru (λ) / NA = Taumira (μ)
Ka taea e te tikanga tatau i runga ake nei te whakatau i te taumira, engari kāore e whai whakaaro ki te hē o te tirohanga.
※ Roanga ngaru i whakamahia: 550nm
4)Mana Whakatau: Te maha o ngā takirua rārangi pango me te rārangi mā e kitea ana i roto i te whānuitanga 1 mm; waeine: (lp)/mm.
MTF (Mahi Whakawhiti Whakarerekētanga)
Hoahoa MTF
5)Whakapōturitanga: Tetahi o ngā inenga e whakamahia ana hei aromatawaiarotahimahi. E pā ana tēnei ki tētahi hapa whakaahua i roto i tētahi pūnaha whatu, ina puta ngā rārangi tika e takoto ana i te papa o te kaupapa—engari kāore e tika ana kia puta i te tuaka whatu—hei rārangi piko i roto i te ahua e puta mai ana. Ko ngā hapa whakapohehe ka pā ki te āhua o te ahua anake, ehara i te koi.
6)Pūwero me te Tau-FKo te pūaha he tikanga—kei roto i te arotahi—e whakahaere ana i te nui o te mārama e tomo ana ki te arotahi. Ka whakaatuhia te rahi o te pūaha mā te whakamahi i ngā tau-F, pērā i te F1.4, F2.0, me te F2.8.
Kauwhata uara whakatuwheratanga
7)Whakanui whatuKo te tātai i whakamahia hei tatau i te whakanui tuatahi koia tēnei: PMAG = Rahi o te pūoko whakaahua (mm) / Mara tirohanga (mm).
8)Whakaaturanga WhakanuiE whakamahia whānuitia ana te whakanui whakaaturanga i roto i te karuārai. Ko te whakanui whakaaturanga o te mea e tirohia ana e whakawhirinaki ana ki ngā āhuatanga e toru: te whakanui whatu o tearotahi, te rahi o te pūoko whakaahua o te kāmera ahumahi (hōputu pūoko), me te rahi o te mata aroturuki.
Whakanui Whakaaturanga = Whakanui Arotahi Whatu × Rahi Mata × 25.4 / Rahi Hauroki Pūoko
4.Ngā kāwai matua o ngā karaihe ā-ahumahi
Tikanga whakarōpūtanga:
1) Whakarōpūtia e te roa arotahi: te roa arotahi pumau me te roa arotahi whakanui;
2) Whakarōpūtia e te whakatuwheratanga: te whakatuwheratanga pumau me te whakatuwheratanga taurangi;
3) Whakarōpūtia e te maunga: Maunga-C, Maunga-CS, Maunga-F, me ētahi atu;
4) Whakarōpūtia mā te whakanui: ngā karāhe whakanui-pūmau me ngā karāhe whakanui tonu;
Ko ngā arotahi matua e whakamahia whānuitia ana i roto i te umanga tirohanga mīhini ko ngā arotahi FA, ngā arotahi telecentric, me ngā arotahi karuārai ahumahi.
Ngā momo karaihe ā-ahumahi
5.Ngā whakaaro matua mō te whiriwhiri i ngā karaihe ā-ahumahi
I te wā e whiriwhiri ana i tētahiarotahi, me whakatau tuatahi tātou i ngā hiahia o te kiritaki:
1) Te whānuitanga o te tirohanga, te whakanui whatu, me te tawhiti mahi e hiahiatia ana: I te wā e whiriwhiri ana i tētahi arotahi, ka whiriwhiria e mātou tētahi he paku nui ake te whānuitanga o te tirohanga i te mea e tirotirohia ana hei whakahaere i te nekehanga.
2) Ngā whakaritenga hōhonutanga o te mara: Mō ngā kaupapa e hiahia ana ki te hōhonutanga o te mara, whakamahia te kōhao iti rawa; i te wā e whiriwhiri ana i tētahi karāhe arotahi, whiriwhiria te whakanui iti rawa e whakaaetia ana e ngā here o te kaupapa. Mō ngā tono uaua, whakaritea ngā karāhe arotahi kounga teitei e tuku ana i te hōhonutanga o te mara pai rawa atu.
3) Rahi o te pūoko me te atanga kāmera: Hei tauira, ka tautokona e te arotahi 2/3″ te rahi mōrahi o te pūoko kāmera ahumahi o te 2/3″; kāore e taea te tautoko i ngā kāmera ahumahi me ngā pūoko nui atu i te 1 inihi.
4) Kia tupato ki te taunga o te māramatanga me te pūtake mārama, kātahi ka whiriwhiri i tētahi karāhe arotahi e tika ana.
5) Wāhi tāutanga: Ina kua whakatauhia te mahere hoahoa, he mea koretake te tono ki te kiritaki kia huri i ngā rahi o te taputapu.
Wā tuku: Oketopa-23-2026
