Nikon D5 Binciken

An sanar da hanyar Nikon D5 ne a cikin Nuwamba 2015 a matsayin babban kamfanin SLR na kamfanin wanda aka tsara don samar da duk ayyukan da ake buƙata don ƙwararrun masu ɗaukar hoto. Yana da 20.8MP cikakken firikwensin firikwensin kuma, kodayake yana da yanayin da yake kama da D4S na baya, ya zo tare da sabbin abubuwa da yawa na cigaba kamar sabon tsarin autofocus da ƙungiyar komputa ta ASIC da aka keɓe ga AF.

Janar Features

Akwai samfuran D5 guda biyu, ɗaya wanda ya zo tare da ramuka na katin CompactFlash biyu kuma ɗayan yana da katunan XQD. Idan kuna neman zurfin zurfin to ƙirar QXD shine abin da kuke so yayin ɗayan yana da rabin saurin.

Sabon firikwensin da aka ƙera ya fita tare da matsakaicin ƙwarewa na ISO3,280,000 wanda shine adadi mai yawa kuma banda wannan, sun kuma inganta ƙimar hoto da ikon amo a cikin jeren ISO100 zuwa 102,400 waɗanda ake amfani da su da yawa sau da yawa.

Autofocus ɗin da muka ambata yana ba da tsari mai ma'ana 153 tare da na'urori masu auna firikwensin 99 da mahimmin ra'ayi wanda ke da ƙwarewar ƙasa zuwa -4EV. 55 ko 15 na maki ana zaɓa daban-daban kuma ana iya ƙaddara tsarin yin aiki a cikin aya guda, 25, 72 ko 153 na yanki mai ƙarfi na AF, tare da bin 3D, rukunin rukuni na AF ko yankin auto.

Dedicatedungiyar ASIC an sadaukar da ita ga tsarin AF don a tabbatar da babban aiki koyaushe kuma suna inganta tsarin bin sawun kamara idan aka kwatanta da ƙirar da ta gabata. Don aiki yadda ya kamata, an haɗa AF tare da injin EXPEED 5 wanda ke ba D5 damar harbawa har zuwa 12fps tare da cikakken autofocus da mitar. Kuna iya adana wannan har zuwa kusan rawanyun fayiloli 200 akan katin XQD kuma har ma kuna iya kaiwa matakin harbi na 14fps kodayake a wannan yanayin an daidaita abubuwan da aka nuna da kuma bayyana a farkon jerin.

An inganta rayuwar batir don D5 tare da EN-EL 18a kuma tabbas ana buƙata tunda zai iya harba 12fps. Ratingimar CIPA ta harbe-harbe 3,780 kuma yana ɗaya daga cikin manyan abubuwa game da wannan kyamarar, yana mai da shi bayyananniyar nasara idan ya zo zaɓar wani abu don dogon balaguro. Kuskuren duk da cewa yana da nauyin 1405g (sama da fam uku) amma wannan tunda an yi shi da harsashi mai ƙarfi na magnesium wanda ke sa duk kyamarar ta gaske jure kowane irin abubuwa na waje.

Video

Capabilitiesarfin bidiyo na iya zama ɗayan raunin wasu don D5 na iya yin rikodin bidiyo na 4K (ƙudurin 3840 × 2160) amma yana yin hakan har zuwa minti uku a ciki don haka idan kuna neman rikodin bidiyo mai tsanani to wannan kyamarar ba ta zama mafi kyau zabi.

Kamar yadda Nikon ya fahimci wannan wani abu ne wanda ya sanya wasu mutane nesa da kyamarar sai suka gyara matsalar ta hanyar wani firmware da suka saki daga baya wanda ya tsawaita lokacin yin rikodin har zuwa minti 29 da dakika 59. Hakanan kuna samun sabon zaɓi na rage rawan jijiyar lantarki wanda ke amfani da software don sanya rikodin bidiyo ya zama mai karko kuma saboda haka wannan ya ɗan zama matsala a baya.

Kuna iya amfani da amfanin gona na asali akan rikodin 4K don haka za a inganta ƙimar hoto kuma a bayyane za ku iya haɗa kyamara zuwa mai saka ido na waje ta hanyar fitowar HDMI.

Karɓarwa da Zane

Idan aka kwatanta da D4S, D5 yana da sifa wanda ya fi dacewa a yi amfani da shi na dogon lokaci amma gaba ɗaya ya kamata komai ya ji daidai. Kamar yadda dukkan jikin anyi ne da karfe kuma yanayi ne ya rufe shi baku damu da amfani da kyamara ba a kowane yanayi kuma murfin hotshoe yana da yanayin hana ruwa saboda haka lambobin zasu kasance bushe lokacin da baku da kunna bindiga.

D5 yana da ƙaramin farin ciki wanda ya saita ma'anar AF kuma yana da sauƙin amfani a wasu yanayi amma ba shi da inganci a cikin wasu, kamar lokacin da kake riƙe da kyamara tare da riƙe a kwance. Kuna da maballin uku kusa da sakin buɗe ido a kwance kuma ɗaya kawai ta maɓallin tsaye don haka dole ne ku daidaita ayyukanku bisa ga kyamara maimakon ɗayan hanyar kuma wannan ba wani abu bane da kowa ke farin ciki da shi.

LCD yana da inci 3.2 kuma yana da dige 2,359,000 tare da taɓawa-kawai amma kawai kuna amfani da taɓawa ne don gungura hotuna da zuƙowa. Gaskiyar cewa ba za ku iya wucewa ta menu ba ko yin saituna ta hanyar taɓa allon yana sa ya zama mara kyau ga wanda ana amfani dashi tare da wayar zamani.

image Quality

A ƙudurin pixels miliyan 20 wannan ba ɗayan manyan kyamarori bane a wannan batun amma da gaske ya fito ta hanyar yanayin ƙwarewar da yake dashi. Sakamakon ya fi samfuran da suka gabata kyau kuma fiye da sauran kyamarori da yawa a ISO204,800 kuma kamar yadda muka ambata yana iya zuwa sama da ƙwarewa mafi girma amma ƙimar hoto tabbas za ta sha wahala. Ko kuna ɗaukar waɗancan hotunan a cikin ɗanye ko JPEG a ISO3,280,000 zaku ga ƙananan bayanai kaɗan amma ba yawaita ba ne mai yiwuwa kuna buƙatar amfani da irin wannan ƙwarewar.

Saurin karatu mai sauri yana da sauri kuma amma aikin JPEG baya riƙe bayanai dalla-dalla kamar yadda kuke fata, musamman a babban ISO amma sakamakon ya fi na magabata kyau. Idan zaku iya samun wasu matsaloli game da bayanan JPEG sun yi fice ta cikin launuka masu kayatarwa waɗanda abin farinciki ne.

Kammalawa

Idan kuna buƙatar kyamara wacce ke ba da amsa mai sauƙi kuma tana iya ɗaukar hotuna a cikin ƙaramin haske to wannan kyakkyawan zaɓi ne mai kyau. An gina shi ne don ƙwararrun masu ɗaukar hoto kuma don haka yana son zama saman layi da 12fps ɗin ta na harbi mai saurin gaske, autofocus mai saurin gaske, kewayon ƙwarewa mai ban sha'awa gami da ƙaƙƙarfan ƙarfin sa duk hanyar samun wannan.

Wasu daga cikin matsalolin zasu iya zama ikon sarrafawa wanda aka inganta shi daga D4S amma har yanzu bai zama cikakke ga wasu yanayi ba kuma rikodin bidiyo na iya tabbatar da rashin isa ga wasu har ma da haɓaka firmware.