Telescopic China Super Zoom High Definition Monocular

Sigar Samfura

Siffa:

1) An yi shi da gilashin gani-da-wane, yana da ƙarfi sosai, kuma an lulluɓe shi da fim ɗin koren watsa shirye-shiryen HD multilayer FMC.Launi ne mai haske da m, da kuma gefen band extinction juna zane iya yadda ya kamata rage ido gajiya.
2) An karɓi duk ruwan tabarau na gilashin gani, an rufe ido tare da fim ɗin shuɗi mai yawa, lambar watsawa, babu bambancin launi, yin hoto mai haske, bayyananne da kaifi.
3) Yana ɗaukar ƙirar concave convex anti-skid, wanda ba shi da sauƙin zamewa.Ta hanyar jujjuya ƙafafun hannu, ana iya daidaita shi a fili don gane mayar da hankali, kuma aikin yana da dacewa sosai.
4) 10-30x25mm yana nufin girman girman sau 10-30, ruwan tabarau na haƙiƙa kai tsaye shine 25mm, 3.5 ° a 10x yana nufin filin ra'ayi na 3.5 ° a cikin jihar 10x, kuma 2.0 ° a 30 yana nufin filin kallo. na 2.0 ° a cikin jihar 30x
5) Na'urar hangen nesa tana sanye da igiya ta hannu.Lokacin da ake amfani da shi, igiyar da aka rataye tana rataye a hannu, wanda zai iya rage rashin jin daɗi na rataye hannu na dogon lokaci da kuma guje wa lalacewar na'urar hangen nesa ta hanyar kuskure.
6) Daga 0.5m zuwa nisa, kuna buƙatar ganin inda kuke, kusan kimanta nisa, sannan juya zoben mai da hankali zuwa wannan sikelin don daidaitawa mai kyau.
7) Ana iya shimfiɗa na'urar hangen nesa da yardar kaina, wanda yake da daɗi da sauƙin ɗauka

Menene na'urar hangen nesa?

Telescope kayan aiki ne na gani da ke amfani da ruwan tabarau ko madubi da sauran na'urorin gani don lura da abubuwa masu nisa.Yana amfani da hasken da aka karye ta ruwan tabarau ko kuma madubin da ke nuna shi don sanya shi shiga cikin ƙaramin rami kuma ya haɗu don yin hoto, sa'an nan kuma a gan shi ta hanyar ƙarar ido, wanda aka sani da "telescope".

Aikin farko na na'urar hangen nesa shine faɗaɗa kwanar wani abu mai nisa ta yadda idon ɗan adam zai iya ganin cikakkun bayanai tare da ɗan ƙaramin nisa.Aiki na biyu na na’urar hangen nesa shi ne aika da hasken da na’urar hangen nesa ya tattara, wanda ya fi kauri fiye da diamita na dalibi (har zuwa 8 mm), zuwa cikin idon dan Adam, ta yadda mai kallo zai iya ganin abubuwa masu duhu da raunana. ba zai iya gani ba.A shekara ta 1608, Hans liebersch, wani masanin gani dan kasar Holland, da gangan ya gano cewa yana iya ganin shimfidar wuri mai nisa da ruwan tabarau biyu.Da wannan wahayi ya sa ya gina na'urar hangen nesa ta farko a tarihin ɗan adam.A cikin 1609, Galileo Galilee na Florence, Italiya ya ƙirƙira na'urar hangen nesa na madubi mai girman 40x, wanda shine na'urar hangen nesa ta farko da aka sanya cikin aikace-aikacen kimiyya.

Bayan fiye da shekaru 400 na ci gaba, aikin na'urar hangen nesa yana da ƙarfi, kuma nisa na kallo yana da yawa.

Tarihin ci gaba:

A shekara ta 1608, Hans Lippershey, likitan ido a Middleburg, Netherlands, ya gina na'urar hangen nesa ta farko a duniya.Sau ɗaya, yara biyu suna wasa da ruwan tabarau da yawa a gaban shagon Lipper.Sun kalli majami'ar weathercock daga nesa ta gaban ruwan tabarau na gaba da na baya.Suka yi murna.Liborsay ya ɗauki ruwan tabarau guda biyu ya ga cewa iska daga nesa ta yi girma sosai.Lipper ya sake tsere zuwa kantin kuma ya sanya lenses guda biyu a cikin ganga.Bayan gwaje-gwaje da yawa, Hans Lipper ya kirkiro na'urar hangen nesa.A shekara ta 1608, ya nemi takardar izini don na'urar hangen nesa kuma ya bi ka'idodin hukuma don gina na'urar hangen nesa.An ce da dama daga cikin masu aikin gani na gani a garin sun yi ikirarin kirkiro na'urar hangen nesa.

A lokaci guda kuma masanin falaki na Jamus Kepler shi ma ya fara nazarin na'urorin hangen nesa.Ya ba da shawarar wani nau'in na'urar hangen nesa a juzu'i.Wannan nau'in na'urar hangen nesa yana kunshe da ruwan tabarau masu ma'ana biyu.Ba kamar na'urar hangen nesa ta Galileo ba, tana da fa'idar hangen nesa fiye da na'urar hangen nesa ta Galileo.Amma Kepler bai yi na'urar hangen nesa da ya gabatar ba.Shayna ya fara kera irin wannan na’urar hangen nesa ne tun daga shekara ta 1613 zuwa 1617. Ya kuma yi na’urar hangen nesa mai dauke da lens mai dunkulewa na uku bisa ga shawarar Kepler, kuma ya canza jujjuyar hoton na’urar hangen nesa da aka yi da lenses guda biyu zuwa hoto mai kyau.Shaina ta yi na'urar hangen nesa guda takwas don kallon rana ɗaya bayan ɗaya.Ko da wanene zai iya ganin wuraren rana masu siffar iri ɗaya.Saboda haka, ya kawar da tunanin mutane da yawa na cewa ƙura a cikin ruwan tabarau na iya haifar da tabo, kuma ya tabbatar da cewa akwai tabo da rana kamar yadda aka gani.Lokacin da yake kallon rana, Shaina tana sanye da gilashin inuwa na musamman, yayin da Galileo bai ƙara wannan na'urar ta kariya ba.Hakan yasa ya cuci idanuwansa har ya kusa rasa ganinsa.Domin bincika zoben Saturn, Huis ya yi wani na'urar hangen nesa mai tsayin kusan mita 65 a cikin Netherlands don rage bambance-bambancen juzu'i na kusan mita 16.

A cikin 1793, William Herschel na Ingila ya yi na'urar hangen nesa.Diamita na madubi shine 130 cm.An yi shi da gwangwani na jan karfe kuma nauyin tan 1.

Na'urar hangen nesa da William Parsons na Ingila ya yi a 1845 yana da diamita na mita 1.82.

A cikin 1917, an gina na'urar hangen nesa a Dutsen Wilson Observatory a California.Mudubinsa na farko yana da diamita na inci 100.Da wannan na'urar hangen nesa Edwin Hubble ya gano abin mamaki cewa sararin samaniya yana fadadawa.

A shekara ta 1930, Bernhard Schmidt na Jamus ya haɗu da fa'idodin na'urar hangen nesa na refraction da na'urar hangen nesa (refraction na'urar hangen nesa yana da ƙananan ɓarna amma yana da ɓarna na chromatic, kuma girman girman girman shine, mafi tsadar na'urar hangen nesa shine, na'urar hangen nesa ba ta da chromatic aberration, farashi yana da ƙasa, kuma ana iya yin madubi mai girma sosai, amma akwai aberration) don yin na'urar hangen nesa ta farko.

Bayan yakin, na'urar hangen nesa ta ci gaba da sauri a cikin kallon sararin samaniya.A cikin 1950, an shigar da na'urar hangen nesa mai nuni da diamita na mita 5.08 akan dutsen Paloma.

A 1969, an sanya madubi mai diamita na mita 6 a kan dutsen pastuhov a Arewacin Caucasus na tsohuwar Tarayyar Soviet.

A cikin 1990, NASA ta sanya Hubble Space Telescope a cikin kewayawa.Duk da haka, saboda gazawar madubi, na'urar hangen nesa ta Hubble bai shiga cikin cikakken wasa ba har sai da 'yan sama jannati sun kammala gyaran sararin samaniya kuma suka maye gurbin lensin a 1993. Domin yana iya zama 'yanci daga kutsawar yanayin duniya, ma'anar hoton Hubble telescope shine 10. sau fiye da irin na'urorin hangen nesa a duniya.

A cikin 1993, Amurka ta gina na'urar hangen nesa na Keck mai tsawon mita 10 akan Dutsen monakea, Hawaii.Mudubinsa ya ƙunshi madubai masu tsawon mita 36 1.8.

A shekara ta 2001, Cibiyar Kula da Kudancin Turai a Chile ta haɓaka tare da kammala "tauraro mai girma sosai" (VLT), wanda ya ƙunshi na'urori masu aunawa guda huɗu tare da buɗaɗɗen mita 8, kuma ƙarfinsa ya yi daidai da na'urar hangen nesa na mita 16.

A ranar 18 ga Yuni, 2014, Chile za ta karkata saman saman Cerro Amazon don shigar da na'urar hangen nesa mafi ƙarfi a duniya, babban na'urar hangen nesa ta Turai (E-ELT).Cerro Amazon yana cikin Desert Atacama, tare da tsayin mita 3000.

E-ELT, wanda kuma aka sani da "babban idon sama a duniya", yana da faɗin kusan mita 40 kuma yana auna kusan tan 2500.Haskensa ya ninka na'urar hangen nesa sau 15 kuma ma'anarsa ta ninka na'urar hangen nesa ta Hubble sau 16.Na'urar hangen nesa ta kashe fam miliyan 879 (kimanin yuan biliyan 9.3) kuma ana sa ran fara amfani da shi a hukumance a shekarar 2022.

Wani rukunin na’urorin hangen nesa da ake ginawa sun sake kai wa ’yan’uwa farar fata hari a Dutsen monakea.Waɗannan sabbin masu fafatawa sun haɗa da na'urar hangen nesa mai kauri na mita 30 (TMT), ƙaton mitoci 20 na Magellan Telescope (GMT) da kuma babban na'urar hangen nesa na mita 100 (OWL).Masu fafutukarsu sun yi nuni da cewa wadannan sabbin na’urorin na’urar hangen nesa ba wai kawai za su iya samar da hotunan sararin samaniya da ingancin hoto mai nisa fiye da hotuna na Hubble ba, har ma suna tattara karin haske, da fahimtar taurarin farko da iskar gas a lokacin da taurari suka kafa shekaru biliyan 10 da suka wuce, kuma su gani. taurarin da ke kewaye da taurari masu nisa.

A farkon Nuwamba 2021, James Webb Space Telescope ya isa wurin da aka harba a Guiana na Faransa kuma za a ƙaddamar da shi a cikin Disamba.