Kyamara Pentax 645Z: siffofin da kuma sake dubawa

Medium format kyamarori sun kai gaske m ƙuduri, wanda shi ne sakamakon wani hadadden jayayya da sauran fasali. Pentax 645Z iya bayar da ayyuka da cewa shi ne na musamman zuwa matsakaici format kyamarori. Mai hana ruwa harsashi, gani allo, video kama, ba a ma maganar wani musamman m ƙwarai iyaka, 27-aya AF tsarin, lokaci da kuma high yi. Kuma, ba shakka, yana da m daki-daki da kuma manya-manyan, haske viewfinder. Wata kila yana da lokaci zuwa ce ban kwana tare da cikakken frame?

Pentax 645Z, Pentax 645D: a kwatanta

A farkon 2010, kamfanin saki da Pentax 645D, a dijital SLR-kamara matsakaici format, ci gaba a kan baya shekaru biyar. Zai yiwu shi ya yi tsawo, amma, duk da haka, shi da aka lokaci da ciyar. Model Nikon 645D zarce gasa, Canon da kuma Sony cikin haska yankin da 2/3 mafi cikakken frame, wani farɗan mai bayyanar da kasa zurfin filin. A lokaci guda, da kamara ya zama yafi araha takwarorinsu daga wasu masana'antun na matsakaici format, kamar Hasselblad da Phase Daya, yayin da sauran karfi isa cewa shi za a iya amfani da su a cikin filin.

Dalilin da cewa Pentax, karo na farko bayan da sayen Ricoh, zai bayar da kamara a wani m farashin fiye da wani, shi ne quite sauki. Mafi yawa daga cikin aukuwa 645D za a iya amfani da a taro samar na APS-C DSLRs, yayin da Phase Daya da Hasselblad mabukaci SLR kyamarori yi ba cinikayya - zane halin kaka ake ɗaukar na musamman kan su kayayyakin da matsakaici format.

Duk da yake Pentax ya ko da yaushe rasa (kuma har yanzu rasa) a cikakken-frame dijital SLR kamara, 645D an so ga masu goyon baya da kuma asali isa ya jawo hankalin kwararru, ga abin da ƙuduri da format sun fi muhimmanci fiye da kama wani babban gudun. Kuma zuwa 2010 matsayin, da ƙuduri ya gaske mai girma. 645D buga unprecedented daki-daki, kafin, indistinguishable ido.

Kamar cikin fim matsakaici format kyamarori, da gurãbunsu, cewa ta kasance, 645D ba a yi nufin ga taro kasuwar. Its kasuwar alkuki tun da fim sets ya rage ma fi, amma, duk da haka, wannan model ya kasance muhimmanci ga kamfanin, kazalika da magaji Pentax 645Z.

A kamara yana da yawa a cikin na kowa da flagship APS-C DSLRs da Ricoh, da kuma godiya ga 4 shekaru 'cigaban tun kaddamar da 645D, babu kasawa na sabon fasali.

Na'urar haska bayanai da processor

A mafi muhimmanci alama ne sabon 51-megapixel CMOS-matrix guda biyu tare da hoton processor firaministan III, da farko ya bayyana a cikin K-3. 645Z ma gãdon ta 27-aya autofocus SAFOX 11 da kuma 86 000-pixel launi ji tsarin.

A sabon Pentax 645Z image haska yana da wani musamman m (da bukatunsu na matsakaici format kyamarori) ýan range, kai ISO 204.800. OSD gani da kuma harba Full HD-video ne ma ba ya nan daga waɗanda suke a gabãninsu. Yawan aiki ya dauka a babban mataki a gaba, a kalla a kwatanta da sauran matsakaici-format kyamarori. Wannan ba wani wasanni kamara, amma ta gudu ne kusan sau 3 gudun 645D. A post-aiki lokaci ya rage da fiye da rabin.

ruwan tabarau gyara

Kamar precursor, da aiki Pentax 645Z ruwan tabarau gyara damar gyara murdiya da kuma a kaikaice chromatic daɗaɗɗa. Bugu da kari, yana yiwuwa a yi gyara na gefe haske da kuma diffraction. Wannan aiki aiki tare da ruwan tabarau DA645, D FA645 da FA645, amma ba tare da A645 ko saba 67 ruwan tabarau.

sabon fasali

A kamara alfahari a manyan, karkatar LCD panel tare da wata babbar ƙuduri, da karin amfani, ba samuwar wani sabon fasalin on-allon Viewing. Term rufe sabis da aka ninka zuwa 100,000 Shots. Saboda haka hotunan dauka Pentax 645Z, ne maras tsada fiye da wanda ya riga images.

Manufacturer sanye take da kyamara, kamar K-3 high-gudun USB 3.0 tashar jiragen ruwa da kuma wani UHS-na-jituwa Ramin for Secure Digital katin ƙwaƙwalwar ajiya Ramin ga map Pentax Flucard, damar domin m mara waya iko, ciki har da on-allon gani. Yana yana da ikon harba 4K-video, amma ba tare da sauti. Amma da Full HD-video yana tare da sitiriyo sauti rubuce a kan-jirgin Reno, ko waje, tare da atomatik ko manual gyara.

Externally, da kamara ne quite stocky, musamman mai zurfi. Yana da matukar ila cewa kamara zai kama hankalin yayin da Shooting, don haka shi ne ba su dace ga waɗanda ke son zama undetected. Amma harbi shimfidar, yanayin, abubuwa ba ka damar haifar da ban mamaki da cikakken Shots. Ko da yake da kamara ne ya fi girma fiye da hankula size of wani kwararren DSLR-kamara, da nauyin da na'urar yayi dace da karami haska, kamar Canon EOS 1D X. By da bukatunsu na matsakaici-format model ne in mun gwada m da sauki.

Duba cikakken fuska

Lokacin da kyan gani, daga gaba, Pentax 645Z kyamara ya yi kama da wanda ya riga. A mafi m bambanci ne a sabon azurfa lamba a kan viewfinder Prism, wanda ya baki. Amma idan ka duba ƙarƙashin m harsashi, da harsashi zai zama mabanbanta. A zurfin ya karu da 4 mm, da kuma nauyi - a cikin '71 A kyamara ba kananan, amma ba ma high, kamar yadda za ka iya tunani, neman a photo.

A tsawo da nisa Pentax 645Z ne ba yawa daban-daban daga hankula cikakken-frame kyamara D800 Canon EOS 5D Mark III ko Nikon. The na'urar ne kadan narrower da ya fi guntu fiye da masu sana'a kyamarori Canon EOS 1D X ko Nikon D4S, sun fi mayar saboda rashin portraiture rike.

645Z hasarar gaban zurfin da nauyi. A haska matsakaici format, don haka dole a wasu yankunan, na bukatar fiye da kayayyaki zuwa saukar da madubi. Wannan karin zurfin 25-35 mm. Weight game da kwata fiye da D4S, kuma 1,55 kg a taru jihar.

Amma wannan shi ne kananan farashin biya domin ya karu da 2/3 idan aka kwatanta da 35 mm cikakken frame haska. A tabbatacce gefen shi ne cewa akwai isasshen fili na waje controls, musamman tsara don yin amfani da safar hannu. Frost-hujja gidaje zane ma ya hana harbi a matsananci yanayi. Bugu da kari, godiya ga 76 like, tsarin ne resistant zuwa weathering da ƙura.

Tambayoyi game da sana'a yi na jiki ba ya faruwa. An sanya daga simintin aluminum, cikin matsanancin harsashi - wata magnesium gami, ba tare da wani ambato na polycarbonate.

saman view

Gani daga sama, za ka iya samun 'yan bambance-bambance tsakanin Pentax 645Z da 645D. A kula da dabaran bayyana 3 sabon al'ada halaye da cewa su samu dama ga pre-kafa kungiyar na saituna. The line a gefen hagu na mashiga kuma an redesigned. SD maye gurbinsu da AF kuma tarewa, kazalika da oda da aka canza su matsa gaba sashi. Akwai kuma wani sabon sitiriyo, biyu ramukan da ake located a kan ko dai gefen viewfinder, kuma wani mai magana - kadan kara a gefen dama.

hindquarters

Canje-canje a raya na 645Z suna da alaka da sabon LCD duba. A nuni ya karu da 3.2 inci diagonally da ya samu da karkatar inji domin fitowa a kai, a kugu matakin ko low zuwa ga ƙasa.

Number of mashiga, wanda amfani da su zama a karkashin nuni ya bace, kuma su ayyuka canjawa wuri zuwa 4 kewayawa Buttons. Suna kuma amfani da su daidaita matsayin da AF aya, kamar yadda a cikin Pentax K-3.

Column mashiga zuwa dama na LCD ya zama square tari a dama raya na kamara. Daya daga cikinsu, Share button, ni na sami wata video rikodi aiki. Kuma tun zabin AF batu ne yanzu located sauran wurare, da drive to da dama daga cikin viewfinder, wanda aka a baya amfani da wannan manufa, yanzu hidima Duk da haka / Movie faifai management.

gefen bangarori

645Z gefen hagu na jiki ya rasa kumshin video fitarwa, maimakon wadda akwai wani sabon 3.5-mm jack don a haɗa sitiriyo. Sauran tashoshin jiragen ruwa da ake located karkashin daya roba toshe. Da kebul na connector yanzu USB 3.0 SuperSpeed, da kuma canza wurin da tashoshin jiragen ruwa. Har ila yau, a nan ne biyu Secure Digital Katin Ramin, daya daga wanda yake shi ne mai jituwa tare da UHS-I.

Hanyar shawo kan matsala DC m, a baya karkashin murfi da a raya, yanzu located in rike. Wannan shi ne wani ma'ana mataki, ba da rashin sarari sauran wurare. Idan ka harba amfani da m iko, da kyamara ba ya bukatar ci gaba.

image quality

Pentax 645Z a kan photo itace daidai, tare da cikakken breathtaking daki-daki, musamman a tushe ji na ƙwarai. A fadi kewayon na karshen ne sosai dace, kyale ka ka yi 11 x 14-inch kwafi har zuwa ISO 6400, da kuma 4 x 6 "-otpechatki har zuwa ISO 51 200. Kamar yadda shi ne yawanci yanayin da kyamarori Pentax, launi haifuwa amfani da default saituna ne wani lokacin m, amma sosai wuya mai amfani ga masu sana'a kyamara bar factory saituna.

Pentax 645Z: Reviews Hotuna

Masu amfani gaskiya ma tantance da babbar ƙuduri kuma daki-daki na kamara, ta high ji na ƙwarai, kasancewar wani karfi ruwa-hujja hali da kuma wani babban, mai haske viewfinder. Masu daukan hoto ce mai kyau da kuma azumi autofocus a low yanayin haske, na'urar yi, mai batir da ikon harba Full HD-video.

Gunaguni sa bulkiness na tsarin kamar yadda idan aka kwatanta da APS-C ko cikakken frame dijital SLR kyamarori, laulayi lahani na image, da AF taro na da maki a kusa da cibiyar da firam da wani kasa samar da ya dace ruwa-m da kuma gyara domin dijital iko ruwan tabarau. Kuma sabon abu bayyanar kusantar da hankalin wucewa.

A kamara ba tare da wani ruwan tabarau ne samuwa daga Yuni 2014 at farashin 625-646 dubu rubles.

A size da kuma farashin da Pentax 645Z ce cewa wannan kyamara ba ga kowa da kowa - da yawa gamsu a APS-C-matrix, ko full-frame kyamara - amma ya insatiable kishin daki-daki, a yarda shi ya tsaya a waje. Wadanda suka kai a kai buga hotuna da manya-manyan da kuma bukatar a kalla daki-daki, ya kamata zauna a 645Z - matsakaici format kyamarori, shafi ta inganci da amfani.