I-Pentax K100D: ukucaciswa nokubuyekezwa

Ngo-2006, lapho le nkampani "Pentax" ethulwa I K100D, ikhamera wawusakhangiswa njengosiza ezingabizi, futhi kusebenziseka kalula-efakiwe ngokugcwele digital SLR ikhamera. Ngemva konyaka, lapho umenzi samemezela ukukhululwa kwencwadi Pentax K100D Super, kudivayisi libhekene efanayo. Ngakho-ke yini umehluko? Uma ubheka, une uhlobo olusha useshintshe uthuli uhlelo ukususwa, futhi sekuyinto iyahambisana SDM-lens, has a esheshayo, autofocus ethule.

Ngaphezu kwalezi anezele ezimbili ezintsha, Pentax K100D Super uhluke usayizi ofanayo compact, lula ukusetshenziswa, a eliphezulu ISO luvelo kwesithombe indlela zokuqeda izithombe esilufifi. Nakuba imodeli ifakwe inzwa 6-megapixel, kuyilapho abanye DSLR-amakhamera Kuye kwakhiqizwa isinqumo 10 megapixel nentengo yayo ongaphakeme ku $ 519, futhi eziningi ezihlaba umxhwele kusebenza savala ngoba.

Pentax K100D: design ukubuyekeza

Nakuba kwakubiza iphansana, kubalulekile sikhumbule ukuthi lokhu akukona ikhamera compact ezifana "iphuzu bese adubule". K100D digital SLR ikhamera kuyinto entry level, isb. E. It ihlose abantu abafuna ukuzuza ukuphathwa eziphambili futhi ufisa ukufinyelela ebanzi ezahlukene lens. Ngesikhathi esifanayo, inkampani Pentax is njengoba nje inkampani ye amadivayisi ukhululekile futhi zisebenza kahle ukuthi kungenziwa bezithombe ukuthi banokuhlangenwe nakho kuphela ngamakhamera compact esetshenziswa ezaziwayo.

Ngaphezu ukusebenza high, babe amalungiselelo nezinye izinzuzo. Futhi ikhono ukushintsha yokukhanya Cishe umehluko enkulu phakathi SLR amakhamera kusukela ezihlangene. K100D ifakwe yokukhanya Pentax 18-55mm f3.5 / 5.6 AL, kodwa futhi ithengiswe ngaphandle kuwo, avumele anhlobonhlobo iziphakamiso. Omunye izinzuzo enkulu SLR amakhamera of "Pentax" itholakala iqiniso ukuthi kukhona 100% iyahambisana zonke lens aseke ukudalile. Ngenxa KAF2 yasibamba kufanelana konke - kusukela yokukhanya obudala control manual a autofocus entsha. Ayikho enye nomkhiqizi ayinikeze Uhlelo Oluvumelana Nesixazululi nkinga.

isimanga nakakhulu iqiniso lokuthi yokukhanya yonke ngesikhathi esifanayo ekuchithweni kwayo uhlelo Shake isinxephezelo eyakhelwe. Okunye abakhiqizi, ezifana Canon kanye Nikon, ukuthengisa lens nge kwesithombe is ezibizayo kakhulu, kuyilapho Pentax ngisho engu-40 ubudala, usebenza yokukhanya kangcono. Ngenxa yalokho, izithombe zibukeka libukhali kakhulu kunangaphambili.

Pentax K100D: ezibekiweko lobuchwepheshe

Ikhamera Imininingwane imi kanje:

• Inzwa: be-CCD 6,31 MN.
• ISO ububanzi: 200-3200.
• isivinini Ukuvala: 30-1 / 4000 isekhondi.
• Gxila: 11-iphuzu AF.
• Chamber Ubukhulu: 129h93h70 mm.
• Isisindo: 570 g nge ibattery ifakiwe, imemori khadi - mayelana 660
• K100D ithumba namanje izithombe kunoma yiziphi amazinga amane izinga: uncompressed RAW, ukuphakama, evamile noma kwegciwane ngefomethi ye-JPEG.
• usayizi Uzimele kungenzeka ezikhethiwe kusuka ezintathu ongakhetha: 6 MN (3008h2000) 4, MN (2400h1600) kanye 1.5 M (1536h1024).
• Ikhamera amukela amakhadi inkumbulo SD bese SDHC.
• Kufaka lens DA 18-55 mm, USB ividiyo, wayibhinca, ikhava kwe, indebe iso (sekuvele kufakiwe), cap insabule, ikhava eyepiece, ezine AA ane-alikhali amabhethri kanye CD software. An ozikhethela adaptha yamandla ukuze ikhamera Pentax K100D iyatholakala.

Izici nasemhlanganweni

Umzimba ikhamera, i-matte black eseqedile polymer impahla esiyinhlanganisela wenziwe onensika efulemini yensimbi ukuthi ihlinzeka ukukhanya isisindo ikhamera. izinga Material, kufanelekile kakhulu futhi Ukusabalala. Ngokusho impendulo yomsebenzisi, K100D ergonomic kuyinto ngumngane omkhulu photographer - zonke izilawuli zisekujuleni kahle. Bathanda yokuthi inkinobho lens ukukhululwa isendaweni eyodwa ohlangothini ikhamera inkinobho yokucina. Lokhu kusho ukuthi ungasebenzisa umunwe kancane zesandla sakhe sokunene. Balance fotoapparta nge omisiwe ikhithi lens ngempela nice. Nge ukukhanya kwayo isisindo adhesion kakhulu ukusingatha lens ejokeni, aliqinise nakakhulu elawulwa kalula. Abanikazi ukugcina ikhamera ezandleni zakhe amahora ayi-8, wazi ukuthi akunzima ukusebenza, ngisho nge yokukhanya ezifana omkhulu njengoba Sigma 24-70 mm f2.8.

inhlolovo

Imodi Auto Pict ivumela sokudubula othomathikhi uma ikhamera ngokwayo inquma izilungiselelo ezifanele ngokuvumelana izimo kuma. Ikhamera umthwebuli iyaligodla ilungelo ukhetha okukodwa ongakhetha flash eziningana, usayizi Uhlaka kanye nekhwalithi, isivinini ISO, focus indlela, kodwa zonke ezinye nemingcele kubalwa yidivayisi. Ngisho ne izilungiselelo ezizenzakalelayo ongenalwazi photographer amateur abakwazi ukhathazeke lutho ngaphandle crosstalk nesithombe bamba. othomathikhi ukudubula Imodi ubhekana kahle ezihlukahlukene lezinto, kodwa ngokuyisisekelo i ikhamera SLR wukuthi kuba zihluke kakhulu ezihlangene. DSLR-ikhamera yakhelwe kulabo abafuna ukulawula izithombe zabo.

Iziyalezo ngokukhetha izilungiselelo elikhulu

Ngesisekelo ukukhanya kuma, ibanga kanye nokunyakaza isihloko ngokuzenzakalela ukhethe izilungiselelo elilungile Pentax K100D. Incazelo inkambo kanje:

1. Setha Ukudayela Mode Auto Pict. Ikhamera ikhetha indlela eliphezulu image lungabanjwa.
2. Setha inkinobho focus imodi AF.
3. Nge kusitholi sokubonwayo ikhamera ntombazane isihloko. Ngesikhathi yokukhanya esifanayo, ungakwazi ukushintsha usayizi waso sobala.
4. Isikhundla isihloko ngaphakathi ifreyimu futhi polunazhat inkinobho yokucina. Qala ukusebenza AF uhlelo, okuyinto inkomba kuwuphawu kube sesilinganisweni esiphelele focus. Uma kudingeka, i-flash esakhelwe Kumiswa isikhundla sabasebenzi.
5. cindezela ngokugcwele inkinobho yokucina. Ukudubula usuphothuliwe.
6. LCD esibukweni ingasetshenziswa ukuhlola izithombe. Ngemva isithombe sithathwa, uboniswa esikrinini 1 yesibili. Kulokhu, ungasusa ngokucindezela inkinobho ezifanele ku iphaneli ezingemuva ke.

izindlela sokudubula

Ngaphezu Auto Pict Pentax K100D inikeza eziyisithupha esethiwe isithombe izindlela ngoba izigcawu ezithile: Portrait, Landscape, Macro, Into Moving, Ebusuku Portrait, futhi ngaphandle flash. Ikhamera kuzokhuphula izilungiselelo izigcawu ezihlukahlukene, futhi njengengonyama imoto, umsebenzisi Ungasetha ezinye kwemigomo uzimele, kuye ngokuthi yesehlakalo ekhethiwe. Ngaphezu kwalokho, kukhona 8 izindlela ezengeziwe ngokudubula ebusuku, surf neqhwa, umbhalo, ukushona kwelanga, izingane, ezifuywayo, amakhandlela kanye Museum.

Ukuhluka yokuchayeka futhi beso

Ekugcineni, ikhamera ongaqhuba imodi Uhlelo (P), beso kuqala imodi (Av), yesivalo igunya (Tv) kanye ukuchayeka inhlukano (M). Lezi zici esezingeni iyiphi DSLR-ikhamera. Ngaphezu kokufaka Bulb (B) ngesandla ukulawula ubude kuvulwa isivalo ngoba ukuvezwa eside. yokusebenza izindlela kanje:

• P: I amasethi ikhamera Shutter isivinini kanye beso ngokuzimela. Umsebenzisi uyakwazi ukushintsha izilungiselelo zalo, kuhlanganise ukukhetha imodi flash, ulungise ukuchayeka kanye flash yekhamera, uhlobo metering, AF, ukudubula, ISO ukuzwela, ibhalansi elimhlophe, usayizi wesithombe nekhwalithi. Izinketho efanayo ziyatholakala Tv, imodi Av, M B.
• isivinini yesivalo esabekwa umsebenzisi, futhi beso - ikhamera: Tv.
• Av: umthwebuli ilungise beso kanye ukuchayeka kuyakhethwa ngokuzenzakalelayo.
• M: isivinini yesivalo futhi beso asethwe ngumsebenzisi.
• B: M iyafana, ngaphandle ukuthi yesivalo uvuliwe kuze inkinobho yokucina icindezelwa.

ukuchayeka isinxephezelo

Lesi sici sivumela ekushintsheni ukuchayeka ngaphakathi ± 2 EV ziyakhula 1/3 EV imodi kuphela P, Tv futhi Av. Indlela ephumelela kakhulu lapho isikhungo-isisindo noma indawo metering. Kukhona umsebenzi ukuchayeka bracketing ekuthwebuleni ozimele eziningana nge ukuvezwa ezahlukene: ejwayelekile esingacacile futhi wachayeka.

imitha ukuchayeka

Okuzenzakalelayo izilinganiso I K100D Super sika kuyenziwa usebenzisa-16 ingxenye uhlelo multi-zone. ongakhetha isikhungo-isisindo futhi indawo metering Iyatholakala. Multizone metering ngokuvamile kusebenza kahle, kodwa ngezinye izikhathi aphuthelwe avelele e ephezulu Ngokuphambene izigcawu, njengemoto esibhakabhakeni kukhanya noma olwandle ilanga kubonakala kuwo. Nokho, lezi amaphutha atholakala kwezinye khamera. Yokugqama izigcawu nge ngaphezulu amazinga efanelekayo okukhanyisa nemiphumela engcono.

ukugxila

I Pentax K100D isebenzisa 11-iphuzu AF uhlelo, futhi umsebenzisi Ungaphinde ukhethe focus indawo ngokuzenzekelayo noma mathupha iveni isithombe nokucija. Ngaphezu inkinobho, etholakala eduze lens entabeni, ukugxila imodi zingalawulwa nge imenyu ikhamera. Ababili ongakhetha AF etholakalayo: olulodwa (AF-S) futhi okuqhubekayo (AF-C). Eyokuqala yalezi senzelwe izinto umile futhi amabhlogo kabusha izinto eziza kuqala lapho inkinobho yokucina icindezelwa maphakathi. Eyesibili isetshenziselwa izinto ezinyakazayo futhi ihlose nokucija ngokuqhubekayo ecindezelwe maphakathi ngesikhathi sokwehla.

Ngokungafani amakhamera iningi reflex multi-zone AF ezisebenzisa eyodwa noma ezimbili cross-uhlobo inzwa ezisebenza kokubili isiqondiso mpo futhi enezingqimba, SAFOX VIII uhlelo 9 kuhlanganisa izinzwa ezifana, kuphumele ukunemba okukhulu kwe umsebenzi.

Speed Focus Pentax K100D Umsebenzisi omkhulu Izibuyekezo ngokuthi fast ngokwanele futhi ezimele lens enamathiselwe. AF inzwa futhi kuthola lesifanele nokucija bhukwana kuhloswe. Nakuba lokhu imodeli akuyona esheshayo wohlu Pentax, igxile cishe okushesha njengokungena ephezulu K10D ikhamera.

Qapha futhi kusitholi sokubonwayo

Pentax K100D ifakwe 2.5 "LCD isibonisi 210 ayizinkulungwane. Amaphikseli futhi adjustable ukugqama ezingeni. Isikrini has a ububanzi 140-degree ukubukwa engela thwi kanye nendawo, ngakho izithombe ingaboniswa kanyekanye kubantu abaningi. Kungenzeka futhi 12-nesibaya ukwanda kwezithombe. Isibonisi akusebenzi kwimodi emehlweni - lungayisebenziseli ukuqamba isibhamu. Ngenxa yale njongo enkulu ngokwanele futhi kusitholi sokubonwayo eliqhakazile 0.85 × ukukhulisa futhi 96% Uhlaka Ukusabalala. Lokhu ungcono kakhulu entry level SLR.

flash

Uxhumano Flash elisukela phezulu umzimba ikhamera ngokucindezela inkinobho on iphaneli emuva Pentax K100D. Ilambu izici uvumele bethwebula ibanga 0.7-4 m kusuka isihloko ngokuvumelana ISO nezilungiselelo beso. 4 etholakalayo flash izindlela: okuzenzakalelayo, echazayo kanye nokwehliswa kwamehlo abomvu ngamunye wabo.

Ngokombono abanikazi, ke ububi nje wukuthi esiphezulu ukuvumelanisa ijubane 1/180 isekhondi. Lokhu kufanelekile ngokudubula emkhanyweni ophansi, kanye nokusebenzisa kwayo emini njengoba flash yokugcwalisa ngokuvamile kudinga ukuvezwa ka 1/500 s noma ngaphansi. Ngakho-ke kuyadingeka ukusetha beso ukuze F22 noma ngaphezulu, okuyinto akuyona inketho ekahle.

umbala

Kukhona ithoni ezimbili eziyisisekelo isithombe: egqamile futhi zemvelo, eyokuqala isethwe ngokuzenzakalelayo. Ngokusho impendulo yomsebenzisi, lokhu kulungiselelwa empeleni kuholela imibala supersaturated, ukuchayeka nokusanhlamvu. Ngenxa yalesi sizathu, abazincomayo ukusetha ikhamera imisindo ehlukahlukene.

Ikhamera Pentax K100D ihlanganisa Adobe RGB isikhala umbala, futhi sRGB. Ngenkathi kuqala inikeza ebanzi yombala, ekahle Wabasaqalayo sRGB, njengoba kulokhu, izithombe zibukeka acacile okuningi sesikrinini ezibhalelwe. Imibala abacebile, ikakhulukazi izingxenye abomvu green bohlu. Ukuvimbela izithombe ezingenziwanga oversaturated, kufanele kancane underexpose. Kuze kube yimanje, abasebenzisi ukusetha amanani -0,3 noma -0,7 EV ukuchayeka isinxephezelo.

ikhamera uhlelo imenyu futhi ikuvumela ukuba ulungise saturation, nokucija nekuphikisana yesithombe.

photosensitivity

Auto-ISO okuzenzakalelayo yesehlakalo othomathikhi futhi lesi sigameko izindlela futhi ngokuqonda kwalo usetha ISO ukuzwela 200 kuya 3200. Kungenzeka futhi ukuba anciphise uhla Auto ISO, isib, namagugu 200-800. ISO 200 imodi ezenzakalelayo P, Tv, Av, futhi M, uma inani ISO bebengakaxoxi ekhethiwe. Ukuzwela lingasethwa ngesandla ngokukhetha elilodwa lamanani alandelayo: 200, 400, 800, 1600 noma 3200.

ibhalansi elimhlophe

ibhalansi Auto ezimhlophe isethwe ngokuzenzakalelayo bonke Pentax K100D ukudubula izindlela. Umsebenzisi Ungaphinde ukhethe ukulungiselelwa esikhipha, Fluorescent, elangeni eliza ngqo, flash, liguqubele umthunzi, noma ekhishwe njengoba mhlophe noma mpunga inkomba into.

impilo yebhethri

Inkampani Pentax - omunye abakhiqizi ambalwa SLR amakhamera, okuyinto ikuvumela ukuba ufake AA amabhethri. Inzuzo enkulu yale Isixazululo ikhono lokusebenzisa namabhethri elishajekayo, amabhethri ajwayelekile, angathengwa noma kuphi, ngisho edolobheni elincane kwelinye izwe. Ngaphezu kwalokho, K100D kungenziwa inikwa amandla yi-lithium amabhethri ukusebenza eside uhlobo CR-V3. Ikhamera ikuvumela ukuba 1480 isibhamu ezifakwe autofocus, isithombe njengoba sinjalo, uthuli ukususwa umsebenzi esiqalisweni sezinhlelo ngamunye futhi ngezikhathi ezithile ngokusebenzisa ukuqhuma zangaphakathi nezangaphandle.

Imininingwane yokukhanya

Enikeziwe 18-55 mm lens muhle ngempela. Yokukhanya ubonisa vignetting abangelutho (emakhoneni amnyama) engela ububanzi (18 mm), kodwa ukukhanya okwanele kulo lonke uhlaka. I-lens ehlupheka okuncane emgqonyeni ukuhlanekezela ekupheleni ububanzi futhi pincushion at Telephoto. Naphezu isinqumo 6-megapixel, izithombe ezinemininingwane esifohlozelayo, ngisho e-100% ukukhulisa. Kanye emaphethelweni kukhona fringing onsomi (kwi imingcele ephezulu Ngokuphambene), kodwa abonakala kuphela uma ukubuyelela kabili.

Izibuyekezo

Pentax K100D abasebenzisi Izibuyekezo ngokuthi okuningi okufana umfowabo omdala, K10D, kunamanye amakhamera isabelomali SLR. isivinini focus ikhamera imayelana okufanayo. Lapho okuqhubekayo sokudubula isivinini elilingana 2.7 / s, ukusebenza ikhamera kakhulu, kodwa sesikhashana ezincane 3 noma 5 RAW JPEG-izithombe kanye ongaphakeme-speed flash yangaphakathi ukuvumelanisa kakhulu ukhawule ekamelweni. Njengoba nokubuyekezwa, ikhwalithi yesithombe liphakathi engcono ukuthi kungabonwa idivayisi nge 6-megapixel inzwa, ISO futhi umsindo uvinjelwe ngenxa yalokhu. kwedivayisi Okugcwele nazo zonke nomkhiqizi lens cishe amathuba angenamkhawulo ukuze ukuwathuthukisa nokukhuthaza amakhono lokushicilela. Imibala ocebile sengqondo zemvelo ngisho nalapho ithoni isithombe. Esakhelwe ngaphakathi kuqiniswa uhlelo nothuli Ukususwa kusho ukuthi le ikhamera Akumangalisi umnyuziki efakiwe. Beginners abasanda bashintsha ikhamera compact, ne auto kanye scene izindlela azethembe kakhulu naye.

Banikezwe intengo, K100D Super kuyinto enhle kakhulu entry level umnikelo.