{"id":35170,"date":"2019-10-31T22:02:42","date_gmt":"2019-10-31T19:02:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novaya-statya-obzor-4k-proektora-benq-w2700-na-uroven-vyshe\/"},"modified":"2019-10-31T22:02:42","modified_gmt":"2019-10-31T19:02:42","slug":"novaya-statya-obzor-4k-proektora-benq-w2700-na-uroven-vyshe","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/novaya-statya-obzor-4k-proektora-benq-w2700-na-uroven-vyshe","title":{"rendered":"Nov\u00fd \u010dl\u00e1nek: P\u0159ehled 4K projektoru BenQ W2700: na vy\u0161\u0161\u00ed \u00farove\u0148","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdrobci projektor\u016f pomalu, ale jist\u011b za\u010d\u00ednaj\u00ed p\u0159ech\u00e1zet na masivn\u00ed vyu\u017e\u00edv\u00e1n\u00ed za\u0159\u00edzen\u00ed t\u0159\u00eddy UHD a p\u0159ich\u00e1zej\u00ed s r\u016fzn\u00fdmi triky, aby je u\u010dinili st\u00e1le dostupn\u011bj\u0161\u00edmi. P\u0159ed rokem vydan\u00fd a ji\u017e popul\u00e1rn\u00ed \"\u010dty\u0159kov\u00fd projektor\" BenQ W1700 se v na\u0161\u00ed zemi rychle zlevnil z 120-130 na 70-80 tis\u00edc<\/a><\/noindex>, a ned\u00e1vno uveden\u00fd W1720, ve kter\u00e9m byly opraveny n\u011bkter\u00e9 z\u0159ejm\u00e9 nedostatky p\u0159edch\u016fdce, p\u0159\u00edmo od za\u010d\u00e1tku prodeje pot\u011b\u0161il cenou okolo 80+ tis\u00edc rubl\u016f<\/a><\/noindex>.<\/p>\n

\"Nov\u00fd<\/p>\n

Dnes v\u0161ak hovo\u0159\u00edme o pokro\u010dilej\u0161\u00edm \u0159e\u0161en\u00ed, kter\u00e9 spole\u010dnost BenQ \u0159ad\u00ed do s\u00e9rie CinePrime (jednodu\u0161\u0161\u00ed modely pat\u0159\u00ed do CineHome) \u2013 multimedi\u00e1ln\u00ed projektor BenQ W2700, kter\u00fd stanovuje nov\u00e9 standardy kvality a p\u0159esnosti barevn\u00e9ho pod\u00e1n\u00ed v segmentu do 150-200 tis\u00edc korun.<\/p>\n

\u2b07<\/a><\/noindex>#<\/a><\/noindex>Referen\u010dn\u00ed informace, technick\u00e9 specifikace a rysy<\/h2>\n

Hrdina dne\u0161n\u00edho p\u0159ehledu (zn\u00e1m\u00fd jako HT3550 v USA a n\u011bkter\u00fdch zem\u00edch Evropy) byl poprv\u00e9 ve\u0159ejn\u011b p\u0159edstaven v lednu 2019 spolu s pokro\u010dilej\u0161\u00edm modelem W5700 a zcela odli\u0161n\u00fdm \u0159e\u0161en\u00edm \u2013 L6000 s osv\u011btlen\u00edm zalo\u017een\u00fdm na modr\u00e9m laseru a fosforu. Hlavn\u00ed d\u016fraz p\u0159i n\u00e1vrhu novinek byl kladen na hyperp\u0159esnou a, co\u017e je d\u016fle\u017eit\u00e9 \u2013 individu\u00e1ln\u00ed kalibraci ka\u017ed\u00e9ho kusu ve v\u00fdrob\u011b, stejn\u011b jako na podporu modern\u00ed barevn\u00e9 \u0161k\u00e1ly DCI-P3, kter\u00e1 je dnes standardem v kinematografii.  <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Projektor BenQ W2700<\/strong><\/th>\n<\/tr>\n
Jas<\/strong><\/td>\n2000 ANSI lm<\/td>\n<\/tr>\n
Skute\u010dn\u00e9 rozli\u0161en\u00ed<\/strong><\/td>\n1920 × 1080 (3840 × 2160 \u2014 s 4-way XRP posunem)<\/td>\n<\/tr>\n
Podporovan\u00e9 rozli\u0161en\u00ed<\/strong><\/td>\nA\u017e 3840 × 2160 @ 60 Hz<\/td>\n<\/tr>\n
Po\u010det zobrazen\u00fdch barev<\/strong><\/td>\n1,07 miliardy, barevn\u00fd rozsah 100 % Rec.709 a 95 % DCI-P3<\/td>\n<\/tr>\n
Kontrast<\/strong><\/td>\n30 000 : 1<\/td>\n<\/tr>\n
Specifikace lampy, re\u017eimy norm\u00e1ln\u00ed \/ \u201eEko\u201c \/ \u201eSmart Eko\u201c<\/strong><\/td>\nP\u0159ibli\u017en\u011b 4000 \/ 10 000 \/ 15 000 hodin, 245 W<\/td>\n<\/tr>\n
Projek\u010dn\u00ed syst\u00e9m<\/strong><\/td>\n0,47 palcov\u00fd s optick\u00fdm aktu\u00e1torem XRP, 4K UHD DMD \u010dip od Texas Instruments, technologie BrilliantColor<\/td>\n<\/tr>\n
Projek\u010dn\u00ed pom\u011br<\/strong><\/td>\n1,13\u20131,47 : 1 (vzd\u00e1lenost\/\u0161\u00ed\u0159ka)<\/td>\n<\/tr>\n
Velikost obrazu po diagon\u00e1le<\/strong><\/td>\n30\u2013200 palc\u016f<\/td>\n<\/tr>\n
Projek\u010dn\u00ed vzd\u00e1lenost<\/strong><\/td>\n3,01-3,94 metry pro 120 palcov\u00fd obraz<\/td>\n<\/tr>\n
Parametry objektivu<\/strong><\/td>\nF=1,9\u20132,48 | f = 12-15,6 mm<\/td>\n<\/tr>\n
Zoom, ost\u0159en\u00ed<\/strong><\/td>\n1.3 : 1, manu\u00e1ln\u00ed zoom \/ manu\u00e1ln\u00ed ost\u0159en\u00ed<\/td>\n<\/tr>\n
Form\u00e1t obrazu<\/strong><\/td>\n16:9 standardn\u00ed, 2 form\u00e1ty na v\u00fdb\u011br<\/td>\n<\/tr>\n
Offset<\/strong><\/td>\n110 % \u00b1 2,5 %<\/td>\n<\/tr>\n
Korekce trapezoidn\u00edch deformac\u00ed<\/strong><\/td>\nVertik\u00e1ln\u011b, \u00b1 30 stup\u0148\u016f<\/td>\n<\/tr>\n
Posun objektivu horizont\u00e1ln\u011b \/ vertik\u00e1ln\u011b<\/strong><\/td>\nNe \/ +10 stup\u0148\u016f<\/td>\n<\/tr>\n
Frekvence horizont\u00e1ln\u00edho vychylov\u00e1n\u00ed<\/strong><\/td>\n15\u2013135 kHz<\/td>\n<\/tr>\n
Frekvence vertik\u00e1ln\u00edho vychylov\u00e1n\u00ed<\/strong><\/td>\n23\u2013120 Hz<\/td>\n<\/tr>\n
Reproduktory<\/strong><\/td>\n2 × 5 W<\/td>\n<\/tr>\n
Instalace<\/strong><\/td>\nStoln\u00ed, mont\u00e1\u017e na strop<\/td>\n<\/tr>\n
Projekce<\/strong><\/td>\nP\u0159edn\u00ed nebo zadn\u00ed<\/td>\n<\/tr>\n
Podporovan\u00e9 standardy<\/strong><\/td>\n480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 3840×2160, NTSC, PAL, SECAM <\/td>\n<\/tr>\n
Rozhran\u00ed<\/strong><\/td>\n2 × HDMI 2.0 (s podporou HDCP 2.2), USB Type-A (2,5A nap\u00e1jen\u00ed), USB 3.0 Type-A (Media Reader), USB Type mini B (Slu\u017eba), Audio-Out (mini jack), S\/P-DIF, RS232-In, DC 12V Trigger (3,5 mm), IR Receiver (vp\u0159edu a naho\u0159e) <\/td>\n<\/tr>\n
Vlastnosti<\/strong><\/td>\nS\u00e9rie CinePrime, nov\u00fd DMD \u010dip s 2,07 milionu mikrozrcadel a \u201einterpolac\u00ed\u201c a\u017e do 8,3 milionu pixel\u016f (technologie 4-way XRP), podpora HDR10 a HLG d\u00edky technologii HDR-Pro, 3D, 6-segmentov\u00e9 RGBRGB barevn\u00e9 kolo, CinematicColor DCI-P3, technologie BrilliantColor, aktivn\u00ed clona (technologie Dynamic Black), tov\u00e1rn\u00ed kalibrace, SmartEco, CinemaMaster Video+, CinemaMaster Audio+ 2, Motion Enhancer (MEMC), Low Dispersion Lens, ISF, USB Media Reader, USB Firmware Update<\/td>\n<\/tr>\n
Bezpe\u010dnost<\/strong><\/td>\nZ\u00e1mek Kensington, zamyk\u00e1n\u00ed kl\u00e1vesnice<\/td>\n<\/tr>\n
Hmotnost<\/strong><\/td>\n4,2 kg<\/td>\n<\/tr>\n
Rozm\u011bry<\/strong><\/td>\n380 × 127 × 263 mm<\/td>\n<\/tr>\n
\u00darove\u0148 hluku<\/strong><\/td>\n28\/30 dB (Tich\u00fd re\u017eim\/Norm\u00e1ln\u00ed re\u017eim)<\/td>\n<\/tr>\n
Nap\u00e1jen\u00ed<\/strong><\/td>\n100-240 V, 50\/60 Hz<\/td>\n<\/tr>\n
Spot\u0159eba energie<\/strong><\/td>\n350 W (max.), 340 W (norm\u00e1ln\u00ed), 280 W (Eco), <0.5 W (v pohotovostn\u00edm re\u017eimu)<\/td>\n<\/tr>\n
Dal\u0161\u00ed p\u0159\u00edslu\u0161enstv\u00ed<\/strong><\/td>\nModul lampy;
3D br\u00fdle<\/td>\n<\/tr>\n
Z\u00e1ruka<\/strong><\/td>\n3 roky (na projektor)<\/td>\n<\/tr>\n
Orientovan\u00e1 cena (podle \u00fadaj\u016f \u201eYandex.Market\u201c)<\/strong><\/td>\n125 000-130 000 korun<\/noindex><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch novinek je vybaven\u00ed projektoru novou 0,47palcovou DLP matric\u00ed od Texas Instruments, kter\u00e1 nyn\u00ed obch\u00e1z\u00ed nep\u0159\u00edjemn\u00fd \u0161irok\u00fd \u0161ed\u00fd pruh kolem obrazu, o kter\u00e9m se mnoz\u00ed recenzenti sna\u017eili nezm\u00ednit. Nyn\u00ed tam nen\u00ed, stejn\u011b jako odpov\u00eddaj\u00edc\u00ed n\u00e1mitky v\u016f\u010di v\u00fdrobci.<\/p>\n

\"Nov\u00fd<\/p>\n

Fyzick\u00e9 rozli\u0161en\u00ed matice z\u016fst\u00e1v\u00e1 na \u00farovni 1920 \u00d7 1080 pixel\u016f, ale pro vytvo\u0159en\u00ed 4K obrazu (8,3 milionu pixel\u016f) syst\u00e9m nakl\u00e1n\u00ed mikrozrcadla \u010dty\u0159ikr\u00e1t za sn\u00edmek (z\u00edsk\u00e1v\u00e1me 4 polovi\u010dn\u00ed sn\u00edmky), na rozd\u00edl od 0,67palcov\u00e9 matice pou\u017eit\u00e9 v drah\u00e9m BenQ W11000 (za\u0159azen\u00e9m do prvn\u00ed generace UHD projektor\u016f), kter\u00e9 m\u011bnilo polohu zrcadel pouze dvakr\u00e1t. V obou p\u0159\u00edpadech prob\u00edh\u00e1 tato akce pomoc\u00ed optick\u00e9ho XPR aktu\u00e1toru, ale s r\u016fznou rychlost\u00ed.<\/p>\n

V uplynul\u00e9m \u010dase technologie posunu mikro zrcadel prok\u00e1zala svou plnou \u017eivotaschopnost, a proto, pokud neprov\u00e1d\u011bt srovn\u00e1n\u00ed lupou mezi projektory s takov\u00fdm p\u0159\u00edstupem a p\u0159\u00edstroji s skute\u010dn\u00fdmi 4K maticemi, lze si v klidu u\u017e\u00edvat obraz a neb\u00e1t se o jeho kvalitu.<\/p>\n

\"Nov\u00fd<\/p>\n

Nov\u00fd projektor BenQ W2700 pou\u017e\u00edv\u00e1 \u017e\u00e1rovku s v\u00fdkonem 245 W (s maxim\u00e1ln\u00edm p\u0159\u00edkonem 350 W) a deklarovan\u00fd maxim\u00e1ln\u00ed sv\u011bteln\u00fd tok je na velmi obvykl\u00e9 hodnot\u011b 2000 ANSI lumen\u016f, co\u017e je re\u00e1ln\u011b pot\u0159eba pouze p\u0159i pr\u00e1ci projektoru v nezatemn\u011bn\u00e9 m\u00edstnosti. Pro zachov\u00e1n\u00ed kvalitn\u00ed reprodukce barev je v modelu pou\u017eito 6-segmentov\u00e9 barevn\u00e9 kolo se z\u00e1kladn\u00edmi barvami (RGBRGB), ale samotn\u00e9 barevn\u00e9 filtry byly m\u00edrn\u011b upraveny pro roz\u0161\u00ed\u0159en\u00ed barevn\u00e9ho gamutu, kter\u00fd je pro W2700 deklarov\u00e1n na \u00farovni 95 % DCI-P3 (nebo je pou\u017eit dodate\u010dn\u00fd barevn\u00fd filtr, automaticky aktivovan\u00fd p\u0159i p\u0159ehr\u00e1v\u00e1n\u00ed HDR obsahu), av\u0161ak v\u00fdhradn\u011b v jednom z re\u017eim\u016f se sn\u00ed\u017eenou jasnost\u00ed. Na tom nevid\u00edme nic \u0161patn\u00e9ho, proto\u017ee pokud v\u00e1m z\u00e1le\u017e\u00ed na p\u0159esnosti, m\u00edstnost, kde se d\u00edv\u00e1te, by m\u011bla b\u00fdt ka\u017edop\u00e1dn\u011b p\u0159ipravena podle v\u0161ech pravidel.<\/p>\n

\"Nov\u00fd<\/p>\n

Pro zv\u00fd\u0161en\u00ed hloubky \u010dern\u00e9 barvy je projektor vybaven dynamickou clonkou (technologi\u00ed Dynamic Black), kter\u00e1 poskytuje v\u00fdsledky mnohem lep\u0161\u00ed ne\u017e jak\u00e9koli jin\u00e9 trikov\u00e9 metody, kter\u00e9 se sna\u017e\u00ed dos\u00e1hnout stejn\u00e9ho efektu.<\/p>\n

\"Nov\u00fd<\/p>\n

V projektoru je pou\u017eit objektiv s krat\u0161\u00edm ohniskem ne\u017e u W1700 s 1,3-n\u00e1sobn\u00fdm zoomem, kter\u00fd se skl\u00e1d\u00e1 z 10 vysoce rozli\u0161en\u00fdch prvk\u016f z n\u00edzko disperzn\u00edho skla, uspo\u0159\u00e1dan\u00fdch do 8 skupin a um\u00edst\u011bn\u00fdch v kovov\u00e9m r\u00e1mu. D\u00e1le byla p\u0159id\u00e1na mo\u017enost vertik\u00e1ln\u00edho posunu o 10 % pro p\u0159esn\u011bj\u0161\u00ed a pohodln\u011bj\u0161\u00ed nastaven\u00ed polohy obrazu.<\/p>\n

\"Nov\u00fd<\/p>\n

Nastaven\u00ed usnad\u0148uje automatick\u00e1 elektronick\u00e1 korekce trapezoid\u00e1ln\u00edho zkreslen\u00ed, kter\u00e1 funguje pouze vertik\u00e1ln\u011b. Nastaven\u00ed ostrosti a p\u0159ibl\u00ed\u017een\u00ed se u projektoru prov\u00e1d\u00ed ru\u010dn\u011b a zvl\u00e1\u0161\u0165, a pro z\u00edsk\u00e1n\u00ed obrazu s \u00fahlop\u0159\u00ed\u010dkou 120 palc\u016f m\u016f\u017ee vzd\u00e1lenost od pracovn\u00edho pl\u00e1tna \u010dinit od 3,01 do 3,94 metru.<\/p>\n

\"Nov\u00fd<\/p>\n

W2700 je snad t\u00e9m\u011b\u0159 jedin\u00fdm projektorem ve sv\u00e9 t\u0159\u00edd\u011b s deklarovanou individu\u00e1ln\u00ed tov\u00e1rn\u00ed kalibrac\u00ed, potvrzenou certifik\u00e1tem. Za p\u0159esn\u00fd obraz odpov\u00eddaj\u00ed technologie Cinematic Color DCI-P3 a nezmizel\u00e1 Brilliant Color. D\u00e1le je k dispozici mo\u017enost prov\u00e1d\u011bn\u00ed ru\u010dn\u00edho nastaven\u00ed a kalibrace podle standard\u016f ISF, \u00faprava odst\u00ednu pleti a celkov\u00e9 zes\u00edlen\u00ed sytosti.<\/p>\n

\"Nov\u00fd<\/p>\n

D\u00edky \u0161ir\u0161\u00edm mo\u017enostem reprodukce barev m\u016f\u017ee spole\u010dnost BenQ s men\u0161\u00edmi obavami ne\u017e d\u0159\u00edve prohl\u00e1sit, \u017ee podporuje standardy roz\u0161\u00ed\u0159en\u00e9ho dynamick\u00e9ho rozsahu HDR10 a Hybrid Log Gamma (HLG), jejich\u017e v\u00fdkon je optimalizov\u00e1n d\u00edky technologii HDR-Pro. Projektor automaticky rozpozn\u00e1 typ HDR obsahu a p\u0159epne do odpov\u00eddaj\u00edc\u00edho re\u017eimu pr\u00e1ce se zv\u011bt\u0161en\u00fdm barevn\u00fdm rozsahem, p\u0159i\u010dem\u017e sni\u017euje pracovn\u00ed jas.<\/p>\n

Pro zv\u00fd\u0161en\u00ed plynulosti byl ve W2700 implementov\u00e1n syst\u00e9m Motion Enhancer, kter\u00fd funguje na principu interpolace a p\u0159id\u00e1n\u00ed pot\u0159ebn\u00e9ho po\u010dtu sn\u00edmk\u016f (z\u00e1vis\u00ed na zdroji). Z\u00e1jemci o podobn\u00fd efekt jist\u011b najdou, a ti, kte\u0159\u00ed cht\u011bj\u00ed vid\u011bt obraz co nejbl\u00ed\u017ee origin\u00e1lu, mohou na existenci t\u00e9to funkce jednodu\u0161e zapomenout.  <\/p>\n

Dal\u0161\u00ed d\u016fle\u017eitou zm\u011bnou je pou\u017eit\u00ed stereofonn\u00edho audio syst\u00e9mu slo\u017een\u00e9ho ze dvou reproduktor\u016f s celkov\u00fdm v\u00fdkonem 10 W. O kvalitu zvuku se tentokr\u00e1t star\u00e1 aktualizovan\u00e1 technologie CinemaMaster Audio+ 2.<\/p>\n

\"Nov\u00fd<\/p>\n

Projektor je vybaven dostate\u010dn\u00fdm mno\u017estv\u00edm modern\u00edch rozhran\u00ed: dv\u011b HDMI 2.0, RS-232, USB Type-A s v\u00fdstupn\u00edm proudem 2,5 A pro rychl\u00e9 nab\u00edjen\u00ed nebo dodate\u010dn\u00e9 nap\u00e1jen\u00ed r\u016fzn\u00fdch HDMI stick\u016f, jeden v\u00fdstup pro 12V spou\u0161t\u011b (m\u016f\u017eete nap\u0159\u00edklad p\u0159ipojit motorickou obrazovku), S\/P-DIF, audio v\u00fdstup, servisn\u00ed port typu Micro USB a USB 3.0 jako Media Reader. Ano, nesly\u0161eli jste \u0161patn\u011b \u2013 projektor lze nyn\u00ed pou\u017e\u00edvat bezdr\u00e1tov\u011b: sta\u010d\u00ed \u201enahr\u00e1t\u201c po\u017eadovan\u00fd film na flash disk nebo extern\u00ed hard disk \u2013 a zapomenout na kabely.<\/p>\n

\u2b07<\/a><\/noindex>#<\/a><\/noindex>Balen\u00ed, vzhled a konstruk\u010dn\u00ed rysy<\/h2>\n

\"Nov\u00fd<\/p>\n

BenQ W2700 se dod\u00e1v\u00e1 v ji\u017e zn\u00e1m\u00e9 mal\u00e9 kartonov\u00e9 krabici. Hlavn\u00ed d\u016fraz je kladen na fr\u00e1zi o filmov\u011b p\u0159esn\u00e9 reprodukci barev (Reproduce Cinematic Color Accuracy) a o dal\u0161\u00edch vlastnostech modelu n\u00e1s informuje dev\u011bt speci\u00e1ln\u00edch ikon. Z jedn\u00e9 z n\u00e1lepek na obalu lze zjistit s\u00e9riov\u00e9 \u010d\u00edslo, datum (\u00fanor 2019) a m\u00edsto v\u00fdroby za\u0159\u00edzen\u00ed (\u010c\u00edna).<\/p>\n

\"Nov\u00fd<\/p>\n

Balen\u00ed je jednoduch\u00e9 \u2013 obsahuje n\u00e1sleduj\u00edc\u00ed v\u011bci:<\/p>\n\n\n\n
\n\"Nov\u00fd\n<\/td>\n <\/td>\n\n\"Nov\u00fd\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n