Camera profesionala HD destinata pentru folosirea in studio, aplicatii ENG (Electronic News Gathering) sau EFP (Electronic Field Production). Accesibila, impresionanta prin caracteristicile profesionale si remarcabil de compacta, camera JVC GY-HD251E imbratiseaza formatul HDV pentru a oferi o solutie de inalta definitie completa, gandita pentru a indeplini cerintele cele mai exigente ale profesionistilor de astazi, avand totodata capacitatea de a se adapta la necesitatile viitorului.
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| General | |
| Tensiune de alimentare | DC 12V, 2A |
| Consum | aproximativ 24W in modul inregistrare |
| Dimensiuni (WxHxD) | 242 x 233 x 414 mm |
| Greutate | 3.7 kg Incluzand lentile (Th 16 x 5.5BRMU), viewfinder, microfon si caseta |
| Temperatura | Operare: 0°C pana la 40°C(32°F pana la 104°F) Stocare:-20°C pana la 60°C(-4°F pana la 140°F) |
| Umiditate | Operare: 30% pana la 80% RH Depozitare : 85% RH sau mai putin |
| Camera | |
| Dispozitivul de captare a imaginii | 1/3” interline transfer CCDs |
| Sistem optic de separare culoare | F1.4 prisma de separare trei culori |
| Numar total de pixeli | Aproximativ 1,110,000 pixeli |
| Sistem bare color | SMPTE HDTV / EBU PAL (encoder banda larga R-Y, B-Y) |
| System sync | Sync intern (incorporate SSG) Sync extern :BB, VBS, semnal sau HD tri-sync |
| Senzitivitate | F8, 2000 lx (normal) |
| Iluminare minima necesara | 6 lx cu F1.4, la 18 dB |
| Montura lentilei | 1/3" sistem de tip bayonet |
| Filtru ND | +1/4ND, +1/16ND |
| Amplificare | 0, 3, 6, 9, 12, 15, 18 dB, ALC |
| Shutter Electronic | |
| Valoare standard | 50 Hz |
| Valori fixe | 7.5 – 10,000 Hz, 11 steps (HDV HD60p/HDV HD30p) 6.25 – 10,000Hz,11steps(HDV HD50p/HDV HD25p; DV 50i/DV25p) 6 – 10,000 Hz, 12 steps (HDV HD24p; DV 24p) |
| Scanare variabila | 60 – 10,489.5 Hz (HDV HD60p/HDV HD30p) 50 – 10,489.5 Hz (HDV HD50p/HDV HD25p; DV50i/25p mode) 24 – 10,489.5 Hz (HDV HD24p; DV 24p) |
| Gama dinamica | 300% sau mai mult |
| VTR | |
| Format de inregistrare video | 720/24p, 720/25p, 720/30p, 720/50p,720/60p, 576/25p, 576/50i |
| Format Video | |
| HDV | Format inregistrare semnal video :HDV1 format, 8-bit, 19.7 Mbps Compresie : MPEG-2 video (profile & level:MP@H-14) Frecvente sampling : 720/60p: 74.25/1.001 MHz (4:2:0 component) 720/50p : 74.25 MHz (4:2:0 component) 1080/60i :74.25/1.001 MHz (4:2:0 cross conversion) 1080/50i :74.25MHz (4:2:0 numai cross conversion) |
| DV | Format inregistrare semnal video: DV format, 8-bit, 25 Mbps Compresie : DV compression, 4:2:0 |
| Audio | |
| HDV | Format inregistrare semnal audio : MPEG1 Audio Layer II |
| DV | Format inregistrare semnal audio: 16-bit (locked audio), 48 kHz PCM pentru 2 canale sau 12-bit, 32 kHz PCM pentru 4 canale Banda de folosit: banda MiniDV Viteza benzii : 18.831 mm/sec Timp inregistrare/play : 63 de minute (cu banda M- DV63PROHD) |
| Time code | |
| Semnal time code | Compatibil cu standardul SMPTE/EBU |
| Intrare LTC | 0 dB ± 6 dB, inalta impedanta, nebalansat |
| Iesire LTC | 0 dB ± 6 dB,impedanta joasa, nebalansat |
| Conectori | |
| Intrare AUX | Semnal video compozit: 1.0 V(p-p) ± 0.3V (p-p), 75 Ω, nebalansat (BNC) |
| Intrare genlock | Semnale BB Compatibile SMPTE 170M (RS-170A) NTSC Compatibile / ITU-R BT.470-6 PAL Semnale HDTV Tri-sync Compatibile SMPTE 296M/SMPTE 274M (BNC) |
| Iesire analog compozit | 1.0V (p-p), 75 Ω, nebalansat (RCA) |
| Iesire analog component | Y :1.0 V (p-p), 75 Ω, nebalansat (BNC) PB/PR : 0.7 V (p-p), 75 Ω , nebalansat (BNC) |
| Iesire HD/SD/SDI | SMPTE 292M/299M compatibila semnale HD serial digital SMPTE 259M/272M compatibila semnale SD serial digital |
| Intrari audio | Mic: –60 dBs, 3 kohms, balansat (XLR), +48 V iesire pentru power supply phantom Linie: +4 dBs, 10 kohms, balansat (XLR) |
| Iesiri audio | –8 dBs, impedanta joasa, nebalansat (RCA x 2) |
| Alte mufe | Mufa jack de casca : –17 dBs la –60 dBs, 8 ohmi (stereo mini-jack × 2) Conector IEEE 1394 : 6 pini |
| Accesorii incluse | |
| Lentile | 1 (excluzand modelul CHU/CHE) |
| Microfon | 1 |
| Filtru core | 1 |
| Filtru clamp | 1 |
| Card memorie SD | 1 |
| Suport tripod | 1 (numai la modelul U) |
| Manual de instructiuni | 1 |
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