Digital SLR kamera Canon 7D: ndemanga, ndondomeko, buku lophunzitsira

SLR kamera Canon mbo 7D, amene anaonekera mu September 2009, sanakhale zonse chimango chitsanzo, limene anali kum'patsa kusiyana pakati pa 5d Mark II ndi 1d Mark III, monga Zingaoneke atolankhani kumasulidwa Mlengi ndipo ndi 18 megapixel APS-C- kamera. Komabe, mapulogalamuwanso ambiri ankayembekezera ntchito akhala akuyendera izo - ndi opanda zingwe kung'anima, 19 mfundo AF watsopano Metering System iFCL, ntchito zambiri mtunda, mtundu ndi kuwala kwa nkhaniyi. Features Ofunika Canon mbo 7D:

• Kumasulidwa chithunzi kachipangizo 18 MN;
• Screen Pamaso 3 "920,000-dontho anasonyeza;
• Kujambulitsa Full HD-kanema pa 30 f / m;
• opanda zingwe kung'anima kulamulira.

Canon 7D: chitsanzo kufotokoza

Izi digito osakwatiwa-mandala reflex kamera ndi pamwamba pa mzere Canon APS-C-zitsanzo, poyamba wotanganidwa ndi mbo 50D. Pamene kusamvana 18 megapixels chidwi amatichenjezanso kuti CMOS-kachipangizo miyeso wofanana 22,3 × 14,9 mamilimita kungakhale osakwanira, umene zithunzi amakonda phokoso kwambiri. nkhani imeneyi anathamangitsa mbo 50D, koma Mlengi wapeza njira mu kachipangizo latsopano. Canon kuchepetsa dera circuitry mmenemo kuonjezera kukula kwa photodiode ndi kupereka tilinazo mkulu ndi osiyanasiyana amphamvu.

Komanso, Mlengi ntchito kapangidwe latsopano maselo dzuwa, amene amaloledwa kusandutsa mu mlandu magetsi kwambiri kuwala ndi kuchuluka chizindikiro / phokoso chiŵerengero. Mofanana ndi mbo 50D, 7D kachipangizo zimaonetsa gapless ndi microlens, koma mtunda pakati pawo ndi galasi anachepetsedwa kwa otsiriza amene anagwa photons kwambiri.

Ngakhale ambiri pixels ndi mapurosesa awiri Digic 4 ndi asanu ndi atatu njira readout, Mlengi kukwaniritsa pazipita yothandizira kuwombera liwiro wofanana 8 / gawo. Ndipo palibe chifukwa choti zina batire paketi kwa Canon 7D. N'zochititsa chidwi kuti ntchito za kamera 1 / pa liwiro msanga pazipita kuti imakhala Nikon D300.

Dziwani kuti review kwa nthawi yoyamba mu Canon 7D zitsanzo mbo anafika 100% ya magnification 1 khola (ndi 50mm mandala lolunjika pa malire). Choncho, lingaliro kuyambirira ya chimango amayang'ana zofanana kwambiri ndi chifaniziro komaliza.

Viewfinder likugwirizana LCD anasonyeza ndi mafilimu yakanema. Ngakhale pamene kusonyeza gululi zovuta kupeza kaja molunjika (makamaka pamene ntchito Chotambala mandala, amene amalenga mauthenga mbiya kupotoza), kotero anamanga-mu milingo pakompyuta akukhala wamba. Canon 7D ndi woyamba DSLR-kamera wopanga ndi ntchito yotero. Mlingo pakompyuta akhoza kuwonetsedwa onse pa LCD chophimba kapena viewfinder lapansi. Poweruza ntchito wosuta ntchito IV watsopano mbo chipinda zofewa kiyi pafupi ndi shutter batani, AF mfundo adzasonyeza ngati kamera ndiye angathe yopingasa kapena ayi. Mwatsoka, mlingo sanatchulidwenso viewfinder Mukayamba kujambula kapena kuti yambitsa dongosolo moganizira, pamene kujambula Buku sangathe ntchito "moyo".

kamera anali woyamba Integrated ndi chopatsilira Speedlite, amene angathe kulamulira ndi magulu 3 asamamve EKS-zino. Pamene ukugwira ntchito monga mbuye kung'anima kamera adzakhala Pre-chiwalitsiro, ngakhale kuti muthe nthawi kukhudzana.

Pa mwatsatanetsatane mokwanira mkulu Kuphunzira mwayi anapereka 1,6x magnification Utali molumikizana ndi chidwi liwiro yothandizira kuwombera, latsopano dongosolo AF ndi osiyanasiyana ntchito, Canon mbo 7D wokongola kwambiri bajeti kapena masewera kujambula photohunting, zomwe ambiri amafuna APS-H kapena zonse chimango kamera.

Kulengedwa

Kumbali ya kukula ndi kulemera, ndemanga Canon 7D ali pabwino pakati pa 50D ndi chimango zonse 5d Mark II. Ngati iwo, chitsanzo unapangidwa aloyi magnesium ndi amatetezekanso malowedwe madzi. Canon limanena kuti madzi kulimbikira kamera anapereka kwa gulu mofanana katswiri mlingo kamera mbo-1n.

Ngakhale kuti kulemera kwa thupi ndi wofanana 820 ga, kupanga lachitsanzo ndi lolemera ndithu, mawonekedwe ake ndi mphira kuphimba chogwirira imapereka zabwino ndi otetezeka opareshoni. Ngakhale pambuyo kuwombera wa machesi mpira akadali dzanja amayamba kuona zonsezi, ngakhale ntchito ochepa ndi opepuka kwa Canon 7D Mandala EF 70-300 mamilimita f / 4.5-5.6 kuchita ndi USM.

Mbo 7D amazilamulira amafanana 5d Mark II kuposa 50D, koma pali kusiyana kwambiri. Mwachitsanzo, Live View batani ili kumanzere kwa kumbuyo kwa 5d Mark II pa zenera ali ankatembenukira kwa chokhoza kwa 7D viewfinder ndipo tsopano atazungulira lophimba, amene anamasuliridwa mu mafilimu modes kuonera ndi kanema. Ndi wochenjera akusuntha, chifukwa tsopano kulamulira n'kotheka wa pachala chake chamanthu kudzanja lamanja.

Danga litasamuka ndi View Live, anagonjetsedwa ndi mabatani ena awiri. Mmodzi amalembedwa ngati Q, ntchito mwayi mwamsanga chophimba kulamulira. Chinanso kuchokera yaiwisi ndi JPEG mtundu kujambula mu yaiwisi + JPEG, ndipo kenako anamuombera kamera Umabwerera kwa mode pachiyambi. Zimenezi zingakhale zothandiza pamene kuwombera JPEG-owona kwa pazipita angapo zina chofunika file yaiwisi kusinthasintha zina za processing chimango.

Chomasuka ntchito

Pa Quick Control chophimba amasonyeza 16 zambiri zopanda magawo, mu T. Ch. Auto kuyatsa optimizer. Iwo akhoza anasankha ntchito analogi ndodo, ndi chimbale aliyense. Chionetsero lipindulitsa pa cheke mwamsanga zoikamo ndi kusintha ntchito, koma kukhazikitsa muyezo woyera, AF mode, ndi zina zotero. N. Ogwiritsa akadali amakonda kugwiritsa ntchito ndi gulu pamwamba.

Monga makamera onse DSLR Canon, mbo 7D menyu lagawidwa zowonetsera, omwe aikidwa pa gulu LCD, zimveke kufufuza ntchito. Asaaonerera pa kanema Mwachitsanzo, zili pa tsamba osiyana kuti amalola kuti mwamsanga kamera kujambula kanema.

Ndi Kuwonjezera matekinoloje kanema ndi njira zina kung'anima pounika zoikamo Canon 7D wosuta sikunali kokwanira ntchito 6. Enawo, palibe kuimba mlandu.

Zokonda chifaniziro

Dongosolo woyera bwino, Canon mbo 7D, malinga ndi ndemanga wosuta, palibe chasintha. Iwo amapereka ntchito mkulu osiyanasiyana zinthu kuyatsa. Zithunzi sali pansi kudzudzulidwa kwambiri, ndipo pamene kuwombera zambiri amapezeka za mtundu wa kuwala.

Monga mwachizolowezi, ndi mbo 7D waika wa chisanadze anaika zithunzi masitaelo (muyezo chithunzi, malo, zachilengedwe, zolondola ndiponso monochrome) ndi 3 wosuta. Mungathe kuchepetsa sharpness, Mosiyana, machulukitsidwe ndi hue a mtundu ndi chimango monochrome. mode Standard Zikuoneka pang'ono oversaturated Choncho owerenga amakonda kugwiritsa ntchito options achilengedwe kapena enieni.

metering

Kamera Canon 7D ali okonzeka ndi kuwala mtundu (iFCL) ndi 63 zone metering. Kudziwa kukhudzana yoyenera, limagwiritsa ntchito mfundo za kutalika kwa chinthu ku dongosolo AF, ndi zokhudza mtundu ndi kuwala. M'malo kachipangizo wina pa mbo 7D ndi awiri a iwo wina atamvetsera zigawo ofiira ndi obiriwira, ndi zina - pa wobiriwira, ndi buluu. Chifukwa, kachitidwe metering ndi saganizira kuwala kofiira.

Popeza mudziwe ntchito autofocus, malo AF mfundo ndi yofunika kwambiri. Mwachitsanzo, ngati ili pa udzu, ndi Pachithunzipa anasonyeza bwino, ndi thambo overcast amakhala yaitali. Ngati timaganizira mitambo, ali mwatsatanetsatane, ndi nthaka likukhalira sizinakumane ndikuwala kokwanira. Ngakhale evaluative metering watsimikizira mogwira zina, monga mwa machitidwe zambiri zofanana, izo sizingakhoze kupirira zinthu overcast.

Canon 7D: wosuta autofocus

Kamera muli latsopano 19 mfundo AF dongosolo. zinthu zake zonse ndi mtanda mtundu magalasi, ndipo zimathandiza ndi kabowo pazipita f / 5.6 kapena kuposa. Olondola zina chachiwiri, opendekera X woboola pakati mtanda f / 2.8 ndi malo zambiri chapakati. Komanso, pali ankatembenukira ndi 2 mizere yopingasa pakati chapamwamba, m'munsi ndi pakati mfundo. Monga mwachizolowezi, kupezeka AF mode 3: sitepe (kwa zinthu n'kupuma), AI Servo (kwa chokwawa) ndi AI Focus, amene basi masiwichi pakati disposable ndi yaitali pamene chinthu akuyamba kapena mabasi kuyenda.

3 zilipo AF njira ya kusankha: wosakwatiwa, woyendera nthambi, ndi yaotomatiki 19 mfundo. Njira yoyamba amapereka zochita mwanzeru pa chithunzi, ndipo yotsirizira mu kulamulira kamera.

Yachiwiri 19 ukugawa m'zigawo 5 masensa, ndi wojambula zithunzi amasankha gulu ankafuna. Izo ntchito pamene kusuntha zinthu pamene zokha n'zovuta mungawononge mfundo imodzi, chimakhudza chinthu yapafupi. Pamene n'zovuta kuganizira mbali makamaka zochitika - mwachitsanzo, mutu wa makamaka player mu kufanizitsa mpira.

Auto kusankha 19 mfundo kusintha Canon 7D ndemanga pa zinthu zimene zimayenda erratically, ndi kamera amamuchititsa kuyang'ana chandamale yapafupi angathe. Mu AI Servo wojambula zithunzi kungathe kuyamba mfundo AF ndi kamera amalondola izo. Mu modes izi, zinthu yogwira ali ndi utoto pamene AF Mwambo Ntchito III 10, choncho n'zosavuta kwambiri kuti aone kapena ayi yake chinthu mayendedwe kamera.

Kugwiritsa mwambo ntchito III-6 mndandanda kusakhulupirika akhoza kuwonjezeredwa awiri zina AF mode kusankha. Izi malo AF, zomwe zikuwoneka ngati chimango chimodzi, koma olondola kwambiri mawu ndi zochepa. Mu nkhani iyi, chithunzi wosankhidwa zachitika pamanja, koma mbo 7D angagwiritsidwe ntchito ndi mfundo ozungulira. Malinga ndi maganizo wosuta, izi ndi zothandiza kwambiri pamene kuwombera masewera. Mosiyana ndi galimoto ndi kusankha 19 mfundo AF mode AI Servo, ozungulira mfundo si anatsindika pamene amapezeka.

yachiwiriyo menyu wosuta, ndi tilinazo kutsatira AI Servo (III-1) ndi AI Servo AF (III-3), ananenanso kusinthasintha zina pamene moganizira kuyendera nkhani. mipata amenewa m'mbuyomu okhawo mu 1d Mark III ndi 1Ds Mark III. Iwo kuona ngati 7D kupitiriza kuganizira mutu bwinobwino chinthu chili chimango, ndipo ngati ayi, bwanji mofulumira tiyenera kuyankha. Cholinga cha ntchito yawo ndi kuthandiza ojambula mungawononge nkhani yanu ndipo ngati n'koyenera, kunyalanyaza maonekedwe mwadzidzidzi Mwachitsanzo, ndime mu chimango pamene panning. Nthawi zambiri, AF dongosolo Canon 7D eni ndemanga otchedwa chidwi. Popeza zinthu zili zosavuta younikira mu viewfinder, nambala akatemera bwino pa 90%.

Mu zochitika zina, AF mfundo (kapena gulu) kugwira ndi yovuta, koma pamene izi zichitika, chifukwa ndi lakuthwa mu ambiri a milandu. Malinga powonekera sadziwa zambiri kusokonezedwa kuthekera, optional anzeru kusankha 19 mfundo AF mode kuti AI Servo kutsatira chinthu uzigwirizana mwangwiro.

Maonekedwe, phokoso ndi tilinazo

Feedback kuchokera kwa ogwiritsa, Canon kampani wachita zinthu zofunika kuthana ndi phokoso padziko tilinazo kusintha osiyanasiyana. Kusiyana mafano mbo 50D ndi 7D kwambiri noticeable pa ISO 12800. Apa, phokoso pafupifupi theka. Ngakhale ndi ISO 3200 inati kuchepetsa awo mlingo wa pafupifupi 30%. N'zochititsa chidwi magawo phokoso lililonse njira ndi wokongola pafupi, kusonyeza yunifolomu kufalitsidwa. Ngakhale mkulu-tilinazo chithunzi mbo 7D ali ndi kapangidwe grainy, ali see kuposa 50D. Mafelemu kuyang'ana kwambiri mu monochrome ndi halftones mdima palibe magulu.

Pa kompyuta Kwambiri tcheru JPEG-zithunzi mwadzaza mwatsatanetsatane, koma pali ena yamawangamawanga wa mtundu. Izi si zofunika, koma zimaonekera yekha pansi magnification mpaka A3 kukula. Image anapanga ISO 6400 ndipo pamwamba, osiyana mwachisawawa wofiira pixelation. Cacikulu mbo 7D analanda zambiri mwatsatanetsatane. Ngakhale pa ISO 12800 kamera amapereka ntchito wololera.

osiyanasiyana zazikulu

Pokhazikitsa ndi kusakhulupirika, Canon mbo 7D ali osiyanasiyana 12EV zazikulu womwe ndi zabwino SLR makamera kumasulidwa 2009 kamera ali options 2 kusintha izo: mothandizidwa ndi Auto kuunika Optimizer ndi kuwala kamvekedwe patsogolo. Origin kumachititsa mthunzi ndi angagwiritsidwe ntchito mode Buku padzuwa, koma sangathe ntchito imodzi ndi wachiwiri. Choncho, kuti apulumutse zazikulu tsatanetsatane bwino ntchito amazilamulira padzuwa, ndiyeno - kuunika Optimizer kusonyeza tsatanetsatane wa mithunzi mu owona JPEG. Zotsatira Angagwiritsidwenso ntchito kwa owona amene RAW- postprocessing m'gulu mapulogalamu Intaneti Photo Professional.

mtundu sipekitiramu

Pamene anakhazikitsa lamulo kalembedwe fano ndi danga mtundu wa Adobe RGB Canon 7D, malinga ndi ndemanga za eni, amatha yolanda pafupifupi uthunthu wonse wa ICC ndi wofiira yosalala kwambiri, mauve ndi malankhulidwe wofiirira. Monga mwachizolowezi, Kuphunzira wobiriwira ndi pang'ono zochepa, kotero si kwathunthu kuphimba malo onse Adobe RGB.

LCD, viewfinder ndi kanema

Ngakhale mbo 7D ali chophimba amodzi Canon okonzeka izo ndi mandala LCD anasonyeza kuti amalola kukhala ndi mtima gululi gulu, mlingo pakompyuta, komanso mfundo ndi AF m'deralo. Mu zochitika kwambiri, mawonekedwe yosalala, zomveka bwino ndi yowala, koma nthawizina, mu maganizo a owerenga pa gulu looneka kuwala kapangidwe m'madera chachilengulengu wa kamvekedwe yosalala. Ngakhale viewfinder yowala kumupatsa Buku moganizira, zinthu zambiri ndi bwino kugwiritsa ntchito fano lalikulu LCD chophimba. N'chapafupi kuti yeniyeni, pamene chofunika m'dera zochitika ndi kuchuluka.

Sonyezani mbo 7D ndi 3 mainchesi mu opendekera ndi kusamvana 920K. Mfundo (307 zikwi. PIXELS_IN_HEIGHT). Kuchepetsa kusinkhasinkha ndi glare, Canon chophimba chimadzaza kusiyana makhiristo ndi padziko galasi chatsopano okhwima ndinapirira zakuthupi kuwala amene index refractive ndi wofanana ndi galasi. Ichi chaoneka wolungama, chifukwa anasonyeza limapereka chithunzi bwino kwambiri ngakhale kuwala yozungulira.

Video akhoza analembedwa ndi chikalata cha 1920 × 1080 pixels (Full HD) pa 30, 25 kapena 24 f / m, ndi 1280 × 720 kapena 640 × 480 - 60 kapena 50 f / m. Mofanana ndi mafilimu kuonera mode pa kujambula ndi vidiyo akhoza autofocus, koma nthawi zambiri bwino ntchito ulamuliro Buku, pamene dongosolo sachedwa kutengeka kuchokera chandamale.

Komanso, ngati kujambula phokoso ntchito mkati monaural maikolofoni (ndi Jack kwa maikolofoni kunja), kukanikiza ndi manja bwino sanamvere. kayendedwe zonse zambiri, ndi yosalala pa apamwamba kusamvana, ndi kanema mlingo chimango.

Pomaliza

AF dongosolo latsopano mbo 7D ndi chidwi ndi magwiritsidwe ake pazipita amafuna kudziwa bwino nkhani ku mawonedwe a kamera, komanso kudziwa ntchito zilipo wosuta chimatanthauza. Izi zikutibweretsa ku masanjidwe Canon AF apamwamba kalasi Nikon. autofocus mbo 7D dongosolo Akukwana bwino ndi pazipita mosalekeza mlingo kuwombera 8 K / s, zomwe zimachititsa kamera kusankha kwambiri kwa anthu okonda kwambiri masewera ndi akatswiri amene sangakwanitse 1d Mark IV ndalama zankhaninkhani 4499, kapena amene safuna kachipangizo lalikulu . Malinga ndi maganizo wosuta, zithunzi akafuna mkulu-liwiro yothandizira kuwombera zina amadwala ghosting, koma Mlengi ali anamasulidwa ndi fimuweya pomwe kuti amayenera kuthetsa drawback izi.

Akatswiri Canon zikuoneka kuti zinthu zogwirizana ndi zimene ankayembekezera, kwambiri patsogolo mbo 7D poyerekeza ndi 50D. N'zochititsa chidwi kuchuluka akatemera mwatsatanetsatane ndi phokoso lonse tilinazo osiyanasiyana ukulamulidwa bwino, kupanga kamera mosalekeza kwambiri.