After months after months of research and reading tons of reviews I finally decided to buy me a Canon EF 17-40mm F/4 USM lens. I got it on ebay for very good deal $684.75 plus $35 shipping. It arrived just two day before xmas, I am so excited this is my first L lens. My first impression with this lens is it look solid and very wide at the front end (77mm filter). USM so quite and fast. I had taken about 20 photos with this lens already I will up load some sample on this blog and on All pixels blog later day.
Specifications
Lens
Focal Length & Maximum Aperture : 17 - 40mm; 1:4
Lens Construction : 12 elements in 9 groups
Diagonal Angle of View : 104° - 57° 30'
Focus Adjustment : Inner focusing system with USM
Closest Focusing Distance : 0.28m / 0.9 ft.
Zoom System : Rotating type
Filter Size : 77mm
Max. Diameter x Length, Weight : 3.3" x 3.8", 1.1 lb. / 83.5 x 96.8mm, 500g
Ái chà máy Canon T2i mới xuất hiện trên thị trường, con Canon mới này người ta gọi là "baby 7D" bởi vì nó hầu hết mọi chức năng như đàn anh 7D nhưng giá thì mềm hơn nhiều body không thì vào khoảng $799 và với kit lens EF-S 18-55mm f/3.5-5.6 IS thì khoảng $899, thấy con Canon này là tui them nhỏ giải vậy là phải xin phép gấu tậu cho mình thêm vợ nữa rồi... he he, xem nhé.
Các chức năng nổi bật của con Canon T2i:
* 18 Megapixel APS-C CMOS sensor
* DIGIC 4 processor with ISO 100-6400 (Expansion to 12800)
* Continuous shooting at 3.7fps
* Full HD movie recording with manual control and selectable frame rates
* 7.7cm (3.0”) 3:2 Clear View LCD with 1,040k dots
* iFCL metering System with 63-zone Dual-layer Metering Sensor
* Quick Control screen to change shooting settings
* Exposure compensation +/-5 stops.
* Select maximum value for Auto ISO
* External Microphone socket
* Movie crop function
* Eye-Fi connected functions compatibility
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