Canon PowerShot S3 IS - My / Canada
Mo ta san pham: Canon PowerShot S3 IS - My / Canada
Danh gia Canon PowerShot S3 IS

Trong loat may anh compact cua Canon, hai mo hinh PowerShot la nhung san pham hang dau. Mot la PowerShot G7 10-megapixel va hai la PowerShot S3 IS. Trong khi G7 co the co loi the o do phan giai so voi S3 6-megapixel, nhung S3 lai gay an tuong voi tieu cu f / 2.7 - f / 3.5, zoom 12x (36 - 432mm equiv). Voi Canon, no duoc hoan nghenh vi hinh anh quang hoc on dinh va dong co sieu tap trung , cung nhu mot loat cac tinh nang khac ma lam cho no mot trong nhung may anh linh hoat nhat tren thi truong.

Mac du thuc te S3 IS da co mat duoc mot thoi gian, no van la mot trong nhung chiec may anh sieu zoom pho bien nhat. No hien dang duoc ban voi gia chi duoi £250, trong do so voi cac mo hinh tuong tu khac, chang han nhu Fuji S9600 (£ 270), Kodak P712 (£ 255) va Olympus SP-500 UZ (£ 230) va Panasonic DMC- FZ7 (£ 185)
No co mot hinh dang SLR giong nhu voi mot kinh ngam cao cap lon va mot dieu khac chunky, voi cac dieu khien nam rai rac tren be mat cua no.

Than may duoc lam bang nhua cung giong nhu hau het cac may anh A-series cua Canon, va duoc phu mau xam den, trong nhu da phien. No co hinh dang rat manh me va dieu khien de dang de hoat dong. Kich thuoc cua S3 IS lan luot la 113 × 78 × 76mm S3, mot may anh kha lon so voi hau het cac may anh compact, va voi khoi luong 410g no cung kha nang, bang cam tay co kich thuoc rong, vi tri hop ly cua cac dieu khien va khong gian de lai phia sau cho ban de ngon tay cai rat thoai mai va khong bao gio cam thay nang ne. Ho tro boi su hien dien cua bon pin AA ben trong co nam tay.

Ong kinh sieu manh nhung that ngac nhien ve su nho gon cua no, no co mot man hinh lat 2in & LCD rat huu ich, co 115.000 diem anh la khong qua manh, nhung it nhat co mot lop phu chong choi tuyet voi.
Kiem soat chinh la thong qua mot che do quay tren bang dieu khien voi khong it hon 11 thiet lap, bao gom che do tu dong, chuong trinh, khau do hay uu tien man trap va dieu khien bang tay tiep xuc, voi mot thiet lap tuy chinh, cac chuong trinh dac biet chup buc chan dung, phong canh, canh dem va hanh dong, cung nhu che do toan canh va mot che do canh thiet lap voi tam tuy chon canh bao gom cac mau nhan va hoan doi che do mau khac thuong.

S3 thong thuong co nut Canon 'F', ma se tra ve menu hien thi tren man hinh voi tat ca cac thiet lap thuong xuyen duoc su dung nhat, bao gom ca bu phoi sang, can bang trang, mot lua chon cac cai dat mau sac dac biet, auto-bracketing, dieu chinh cong suat den flash, che do do sang, va cac thiet lap chat luong cho ca anh tinh va che do quay phim. Nut 'F' tren IS kha giong nhu tren S3 nhung voi rat nhieu tinh nang duoc nhoi nhet them vao no va mot man hinh kha gay kho khan khi su dung.
Cac nut ben ngoai cho mot so tinh nang khac nua, trong do co thiet lap ISO va mot nut shortcut co the duoc lap trinh voi mot loat cac thiet lap, chat luong hinh anh mac dinh.

Che do quay phim cua S3 la dac biet tot. No quay 640 x 480 o toc do 30 hinh/ giay, cung nhu 60 hinh/ giay o 320 x 240, mot toc do cao, dac biet voi kha nang bien toc do chuyen dong cham. Co mot nut khoi dong rieng cho che do quay phim, va ban van co the nhan nut chup trong thoi gian quay phim de ban khong bi mat mot hinh anh tinh ma khong can tam dung quay video. Ngoai ra, dieu nay gan nhu la duy nhat cho mot may anh zoom powered, ong kinh zoom co the duoc su dung trong khi quay video. On dinh hinh anh quang hoc lam viec o che do video, va am thanh duoc ghi lai trong am thanh stereo qua hai micro ngay tren ong kinh.
Tong hieu suat cung la tuyet voi. Chiec may anh nay bat dau len trong khoang 1,5 giay, rat an tuong doi voi mot chiec may anh sieu zoom. Nhu voi hau het cac may anh Canon che do tap trung la cuc ky nhanh chong va chinh xac, va hoat dong cung nhu trong anh sang thap nho mot den chieu sang duoc xay dung trong AF. Toc do chup lien tuc ma may anh so huu thuc su vuot troi. O chat luong hinh anh toi da no co the ghi voi 2,3 khung hinh moi giay, va giu no cho den khi the nho day.

Moi File JPEG chat luong toi da la khoang 3MB, ve trung binh cho mot may anh 6MP, va mot the SD dinh dang 1GB la du cho khoang 361 buc anh, hoac 7 phut 49 giay quay video. Tuy nhien cac S3 khong ho tro dinh dang the nho SDHC. No duoc trang bi pin AA, thoi gian se khac nhau tuy thuoc vao loai duoc su dung, nhung tren toan bo doi song pin co ve la tuyet voi.

Chat luong hinh anh cung la tuyet voi. Mac du chi co mot cam bien 1 / 2.5 in nho, hinh anh an tuong sac net va chi tiet, nhieu hon mong doi tu mot may anh 6MP. Trong thuc te, co nhung mo hinh 8MP ma khong duoc nhu S3 ve cac chi tiet, va dieu nay chac chan la do ong kinh tuyet voi. Do dai tieu cu, goc rong toi thieu, va khau do toi da cua no dam bao toc do man trap tot o tieu cu. Ket hop voi AF nhanh, no cung cap cac buc anh sac net ngay ca cac doi tuong di chuyen.

Bo xu ly hinh anh Digic II duoc danh gia cao mot lan nua chung to gia tri cua no voi su tai tao mau sac hoan hao va pham vi chup tuyet voi, mac du S3 IS co ve noi bat trong cac tinh huong tuong phan cao. Cac chi trich chinh do la muc do nhieu hinh anh tu ISO 200 len den toi da la 800, mac du hinh anh ISO 400 van co the in duoc. Tuy nhien, no van la mot trong nhung may anh sieu zoom tot nhat tren thi truong.
Ket luan
Canon PowerShot S3 IS duoc cho la may anh gia tri sieu zoom tot nhat hien nay. No ket hop xu ly tuyet voi, hieu suat cuc ky nhanh chong va linh hoat cho hinh anh chat luong cao va mot trong nhung ong kinh zoom tot nhat tren mot than may nho gon. No thuc su se mang lai nhieu cam hung cho ban.
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