Sony PMW-400K
Mo ta san pham: Sony PMW-400K
Trai nghiem tuyet voi cung may quay Sony PMW-400K
Tong quan Sony da cho gioi thieu chiec may quay moi PMW-400 o Las Vegas voi su ra doi cua mot may quay phim phat song moi. No cung mo rong XAVC xuong cho prosumer va nguoi tieu dung su dung. Voi nhung cai tien moi chiec may quay nay dang la su lua chon cua nhieu nguoi dam me quay phim.
Tong quan ve PMW-400
Cac may quay vac vai PMW-400K moi co mot muc "gia phai chang" camera voi cam bien phat song ba 2/3-inch chat luong cao Exmor CMOS - tu hao voi tot do nhay anh sang thap cua F12 tai 59.94Hz va F13 o 50Hz. Cac may quay nay la tuong lai hinh ve tinh bang cach ho tro cac codec XAVC moi de cung cap 10-bit HD422 ghi am, bao gom XAVC Intra frame 10-bit HD422 100Mbps va XAVC Long GOP 10-bit HD422 (toc do bit thap ) - mac du chi len den 25p hay 30p trong HD (tu nhien, 4K khong duoc ho tro).

May quay Sony PMW-400K
Ong kinh va tinh nang
PMW-400K di kem voi mot ong kinh zoom 16x HD, trong khi cac tau PMW-400L ma khong co mot ong kinh. Ca hai tinh nang: do phan giai cao 960x540 mau LCD viewfinder; 3DNR xu ly giam tieng on (de cung cap mot tin hieu dien hinh de tieng on ty le cua 60dB); mot giam toc ban nhac flash de tranh anh huong man trap lan lon cho thay camera flash tren mot phan cua mot khung (ma se den thong qua mot ban cap nhat firmware); duoc lua chon tu 3dB len de dat duoc toi da + 42dB; SD kep / HD-SDI dau ra song song, HDMI, ma thoi gian vao / ra va Gen-lock dau vao.
Cong suat tieu thu khoang 23W voi man hinh LCD, kinh ngam, ong kinh va microphone. "Chung ta da hy vong thiet ke Sony PMW-400K de co duoc chat luong cao, hinh anh sach se dac biet la trong moi truong anh sang yeu. No rat can bang, de dang hoat dong va bao gom cac tinh nang ma lam cho no phu hop hoan thanh cac loai khac nhau cua san pham va quy trinh cong viec. Dieu nay thuc su mo ra co hoi moi xung quanh hieu qua chi phi va chup linh hoat de dat duoc ket qua mong muon, "Fabien Pisano, chien luoc tiep thi Head, Sony chau Au cho biet.

May quay Sony PMW-400K co ong kinh an tuong
Ket noi
Cac may quay cung co the cho phep khai thac du lieu truc tiep tu mot may tinh bang hoac dien thoai thong minh thong qua WiFi. Neu ban them cac bo chuyen doi khong day moi CBK-WA100, noi dung co the duoc tai len thong qua mang khong day den may chu ftp hay dam may dich vu cua khach hang thong qua 3G / 4G mang dien thoai di dong. Mot tuy chon CBK-CE01 giao dien 50-pin chuyen doi cac may quay vac vai cho mot he thong may anh (cho studio / su dung OB), cung cap kha nang tuong thich voi CA-TX70 triax ky thuat so va CA-FB70 adapter.
Dinh dang moi XAVC S dung cho dan chuyen nghiep
Sony da cong bo mot phien ban prosumer/nguoi tieu dung cua cac codec XAVC. No la mot long GOP (Group of Pictures) dinh dang, va se cung cap 4K tai 4: 2: 0 (tuc la co it thong tin ve mau) va HD 4: 2: 2 (do la tieu chuan phat song thong tin mau - dua ra du du lieu cho chat luong cao chroma keying). Day la phien ban hieu suat cao cua cac codec da duoc thiet ke cho thi truong san xuat noi dung rong lon hon. Ngoai phuc vu thi truong tieu dung, XAVC S, trong do su dung mot MP4 (H.264) dinh dang goi, cung se giup mo rong XAVC, de giup khuyen khich su phat trien cua noi dung 4K tai thi truong tieu dung.

Dinh dang moi XAVC S dung cho dan chuyen nghiep
XAVC la mot dinh dang mo, va duoc thiet ke de giup cai tien va thiet lap 4K san xuat noi dung. Mot chuong trinh cap phep duoc de xuat khong chi de chinh sua cac nha san xuat phan mem ma con cho cac nha san xuat phan cung. Hien nay, hon 60 nha san xuat da de don yeu cau de tro thanh mot nguoi co giay phep, va cac san pham 31 nha san xuat co ke hoach ho tro cho cac dinh dang Sony PMW-400K va quy trinh lam viec.
Thiet ke
PMW-400K co man hinh 3 x 2/3 inch cam bien Exmor CMOS nam bat duoc hanh dong, co the duoc ghi lai trong SD/HD422 su dung .mxf, va XDCAM EX-su dung mp4 va avi voi hai khe cam SxS. Cam bien CMOS lau da la dau hieu bao truoc cua dai den flash dang kinh so, co the anh huong den ban ghi am manh, va PMW-400 the thao mot thuat toan giam band den flash built-in nay se bu dap truoc khi hinh anh duoc ghi lai. Neu ban la chu so huu cua mot ban phat hanh dau 400 nay la mot nang cap co the tai ve, nhung bay gio la gia chuan. Sony noi rang no la tot nhu no co the duoc, va no rat hieu qua, nhung no thuc su la mot truong hop thu no ra va lam cho tam tri cua rieng ban.

Sony PMW-400K co thiet ke cua mot may quay phim chuyen nghiep qua vai
Ket luan
La mot may quay vac vai may quay Sony PMW-400K mountable duoc danh gia co thiet ke dep, voi mot su lua chon cua kinh co san cho cac nha kinh doanh, ban co the chon cau hinh cho phu hop voi nhu cau cua toan the gioi khi phat song video HD. Do la linh hoat, no duoc dong goi voi cac tinh nang su dung that de dang de lam viec, no da duoc xay dung trong tuong lai va cach nhiet qua XAVC- neu vi muc gia ban cao ma ban bo lo co hoi so huu chiec may quay nay thi do la dieu dang tiec.