Nikon Coolpix P330
Mo ta san pham: Nikon Coolpix P330
Uu diem
- Co kich thuoc rat nho gon voi cam bien 1/1.7 inch.
- Lens sac net.
- Chat luong hinh anh an tuong o ISO 1600.
- Ho tro chup Raw.
- Khau do rong khi phong to.
- Tich hop GPS.
Nhuoc diem
- Hieu suat lam viec cham.
- Bien dang qua muc o goc chup rong nhat khi chup tho.
- Pin sac lien may.
Danh gia chung
Chiec may anh bo tui Nikon Coolpix P330 co kha nang mang lai chat luong hinh anh kha noi bat, tuy nhien toc do chup cua no lai qua cham.
Thiet ke va tinh nang
P330 duoc trang bi cam bien 12 megapixel 1/1.7 inch. P330 co kich thuoc 2.3x4.1x1.3 inch (HWD) va nang 7.1 ounce. Lens cua may co kha nang zoom toi da 5x voi do dai tieu cu 24-120mm (tuong duong 35mm). O goc rong nhat khau do cua may la f/1.8 va voi goc hep nhat thi khau doc thu hep con f/5.6. Voi tieu cu 50mm, khau do la f/3.2, day la mot con so hop ly.
May con duoc trang bi man hinh hien thi LCD 3 inch voi do phan giai 921k. Day la man hinh rat sac net va du sang de su dung ke ca trong dieu kien anh sang ngoai troi. Ngoai ra, may con duoc tich hop he thong dinh vi GPS, no se tu dong them vi tri chup vao moi buc hinh cua ban.
Hieu nang hoat dong
P330 mat khoang 2.1 giay de khoi dong va san sang cho buc chup dau tien. Thoi gian lag cua man trap la 0.2 giay, day la mot ket qua khong toi doi voi cac mau may anh o lop nay. De so sanh, Canon S110 can 2.2 giay de khoi dong va san sang chup, do lag man trap cua no cung la 0.2 giay. P330 co mot che do chup Burst rat an tuong, co kha nang chup toi da 10 shot voi toc do 6.8 khung hinh moi giay. Van de may gap phai la thoi gian cho sau khi chup. Chung toi da thu nghiem voi the nho SanDisk 95MBps va thoi gian phuc hoi bo nho trong cua may dai nhu vo tan. No mat toi 25 giay de luu toan bo du lieu vao the nho neu chup toi da so luong shot cua che do nay. Neu ban su dung che do chup Raw + JPEG hon hop thi dich thuc la mot su thieu may man, che do nay se khien ban phai cho toi 105 giay de xu ly va luu lai hinh anh. P330 khong phai la mau may anh compact duy nhat cua Nikon co toc do cham chap nhu vay khi chup trong che do Burst. Coolpix P770 cung can 14.6 giay de ghi du lieu khi chup Burst 6 tam Raw + JPEG hon hop va 5.5 giay khi chup JPEG.
Chung toi da su dung phan mem Imatest de kiem tra chat luong hinh anh. Tai goc do rong nhat, may ghi duoc 2319 diem/1800 diem la muc tieu chuan de chung toi danh gia hinh anh sac net. Khi giam khau do xuong f.2.8 thi so diem may ghi duoc la 1848. Do net o khau do f/4 cung rat tot, tuy nhien ban nen tranh su dung khau do f/5.6 va f/8 boi hinh anh bi nhieu va mat chi tiet.
Khi zoom voi chieu dai tieu cu tuong duong 55mm va khau do toi da thu hep con f/3.5. Voi tieu cu tuong duong 120mm, khau do toi da chi con f/5.6.
Chung toi cung su dung Imatest de kiem tra nhieu. P330 co ISO tieu chuan la 800, do la do nhay du de chup voi khau do rong trong nhung ngay nang. Khi tang ISO len 1600, do nhieu van giu duoc o duoi muc tieu chuan 1.5%. Khi chup anh tho thi do nhieu ma may gap cung it hon. Ban co the thoai mai chup o ISO 1600, neu khong ngai mat mot vai chi tiet nho thi ban cung co the su dung ISO 3200. Tat nhien, chat luong hinh anh se duoc giu tot nhat o muc ISO cang thap cang tot.