DSLR Canon EOS 550D หรือ Rebel T2i หรือ Kiss X4
ได้รับการปรับปรุงให้ ใช้เซนเซอร์รับภาพแบบ CMOS ที่ให้ความละเอียดสูงถึง 18 ล้านพิคเซล
ตัว เดียวกับที่ใช้งานใน EOS7D และซึ่งมากกว่า EOS500D ที่มีความละเอียด 15.1 ล้านพิคเซล


ระบบวัดแสงเฉลี่ยทั้งภาพแบบแบ่งโซน 64 โซน ที่เข้ามาช่วยให้วัดแสงได้อย่างแม่นยำ


อัตรายิงต่อเนื่องที่เร็วขึ้นด้วยความเร็ว 3.7 เฟรมต่อวินาที ที่บันทึกภาพแบบ JPEG ได้มากถึง 34 ภาพ
และจอภาพแบบใหม่ที่ให้อัตราส่วน ภาพแบบ 3:2 พร้อมความละเอียดจอสูงถึง 1.04 ล้านจุด

สำหรับค่าตัวในตอนนี้
EOS550D พร้อม Kit(EF-S 18-55mm f/3.5-5.6 IS) อยู่ที่ $899.99
เฉพาะ EOS550D อยู่ที่ $799.99

Specifications

Type
Type : Digital, single-lens reflex, AF/AE camera
Recording Media : SD memory card, SDHC memory card, SDXC Memory Card
Image Sensor Size : 22.3mm x 14.9mm (APS-C size)
Compatible Lenses : Canon EF lenses including EF-S lenses (35mm-equivalent focal length is approx. 1.6x the lens focal length)
Lens Mount : Canon EF & EF-s mount

Image Sensor
Type : High-sensitivity, high-resolution, large single-plate CMOS sensor
Pixels : Effective pixels: Approx. 18.00 Megapixels
Aspect Ratio : 3:2 (Horizontal: Vertical)
Color Filter System : RGB primary color filters
Low-pass Filter : Fixed position in front of the CMOS sensor
Dust Deletion feature :
(1) Self-Cleaning Sensor Unit
(2) Dust Delete Data appended to the captured image
(3) Manual cleaning of sensor

Recording System
Recording Format : Design rule for Camera File System 2.0 and Exif 2.21
Image Type :
Still: JPEG, RAW (14-bit, Canon original), RAW+JPEG
Video: MOV (Image data: H.264, Audio: Linear PCM)
File Size :
(1) Large/Fine: Approx. 6.4MB (5184 x 3456 pixels)
(2) Large/Normal: Approx. 3.2MB (5184 x 3456 pixels)
(3) Medium/Fine: Approx. 3.4MB (3456 x 2304 pixels)
(4) Medium/Normal: Approx. 1.7MB (3456 x 2304 pixels)
(5) Small/Fine: Approx. 2.2MB (2592 x 1728 pixels)
(6) Small/Normal: Approx. 1.1MB (2592 x 1728 pixels)
(7) RAW: Approx. 24.5MB (5184 x 3456 pixels)
Exact file sizes depend on the subject, ISO speed, Picture Style, etc.
File Numbering : Continuous numbering, auto reset, manual reset
Color Space : sRGB, Adobe RGB selectable
Picture Style : Standard, Portrait, Landscape, Neutral, Faithful, Monochrome, User Defined 1-3

Image Processing
Type : Auto, Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom
Color Temperature Compensation :
White balance correction: ±9 stops in full-stop increments
White balance bracketing: ±3 stops in full-stop increments
Blue/amber direction or magenta/green direction possible
Color Temperature Information Transmission : Provided

Viewfinder
Type : Eye-level SLR (with pentamirror)
Coverage : Vertical/Horizontal approx. 95%
Magnification : Approx. 0.87x (with 50mm lens at infinity, -1 m-1 (dpt))
Eyepoint : Approx. 19mm (from eyepiece lens center)
Built-in Dioptric Adjustment : -3.0 to +1.0m-1 (diopter)
Focusing Screen : Fixed, Precision Matte
Mirror : Quick-return half mirror (transmission: reflection ratio of 40:60, no mirror cut-off with EF600mm f/4L IS USM or shorter lenses)
Viewfinder Information :
AF information
# AF points and focus confirmation light

Exposure information
# Shutter speed, aperture, ISO speed (always displayed), AE lock, exposure level, spot metering circle, exposure warning

Flash information
# Flash ready, flash exposure compensation, high-speed sync, FE lock, red-eye reduction light

Image information
# Highlight tone priority (D+), monochrome shooting, maximum burst (1-digit display), white balance correction, SD card information

Depth-of-Field Preview : Enabled with depth-of-field preview button

Autofocus
Type : TTL-CT-SIR AF-dedicated CMOS sensor
AF Points : 9 AF points (center AF point is cross-type)
Focusing Modes : Auto, One-Shot AF, Predictive AI Servo AF, AI Focus AF, Manual Focusing (MF)
AF Point Selection : Automatic selection, manual selection
Selected AF Point Display : Superimposed in viewfinder and indicated on LCD monitor
AF-assist Beam : Intermittent firing of built-in flash
Effective range : Approx. 4.0m/13.1 ft. at center, approx. 3.5m/11.5 ft. at periphery. When EOS-dedicated Speedlite attached, the Speedlite's AF-assist beam is emitted instead.

Exposure Control
Metering Modes :
63-zone TTL full-aperture metering
* Evaluative metering (linkable to any AF point)
* Partial metering (approx. 9% of viewfinder at center)
* Spot metering (approx. 4% of viewfinder at center)
* Center-weighted average metering


Metering Range : EV 1-20 (at 73°F/23°C with EF 50mm f/1.4 USM lens, ISO 100)
Exposure Control :
(1) Program AE (shiftable)
(2) Shutter-priority AE
(3) Aperture-priority AE
(4) Depth-of-field AE (A-DEP, non-shiftable)
(5) Full Auto (Program AE, non-shiftable)
(6) Programmed Image Control modes (6 modes)
* Flash OFF, Portrait, Landscape, Close-up, Sports, Night Portrait
(7) Manual exposure (including bulb)
(8 ) E-TTL II autoflash program AE
* Evaluative metering, Averaged metering

ISO Speed (Recommended Exposure Index) : ISO 100~6400 (in 1-stop increments), H: 12800
Basic Zone modes: ISO 100~3200 set automatically
Exposure Compensation : Manual: ±5 stops in 1/3- or 1/2-stop increments (can be combined with AEB)
AE Lock :
(1) Auto AE lock
* In the One-Shot AF mode with evaluative metering, AE lock takes effect when focus is achieved.
(2) Manual AE lock
* With AE lock button. (AE lock is updated each time you press the button.)

Enabled in all metering modes.

Shutter
Type : Vertical-travel, mechanical, focal-plane shutter with all speeds electronically controlled
Shutter Speeds :
1/4000 sec. to 1/60 sec., X-sync at 1/200 sec.
1/4000 sec. to 30 sec., bulb (Total shutter speed range. Available range varies by shooting mode)
Shutter Release : Soft-touch electromagnetic release
Self-timer : 10-sec. or 2-sec. delay or 10-sec. delay plus continuous shooting
Remote Control : Remote Switch RS-60E3
Remote Controller : RC-1/RC-5/RC-6

Built-in Flash
Type : Retractable, auto pop-up flash
Flash Metering : E-TTL II autoflash
Guide Number : 13/43 (ISO 100, in meters/feet)
Recycling Time : Approx. 3 sec.
Flash-ready Indicator : Flash-ready icon lights in viewfinder
Flash Coverage : Up to 17mm lens focal length (equivalent to 27mm in 135 format)
FE Lock : Provided
Flash Exposure Compensation : ±2 stops in 1/3- or 1/2-stop increments
Flash exposure compensation for built-in flash and Speedlite can be set with the camera.

Drive System
Drive Modes : Single, continuous, self-timer (10 sec. or 2 sec. delay)/remote control
Continuous Shooting Speed : Max. 3.7 shots/sec. (with One-Shot AF or AI Servo AF)
Maximum Burst :
JPEG (Large/Fine): Approx. 34, RAW: Approx. 6
Based on Canon's testing standards with a 2GB SD memory card, ISO 100 and Standard Picture Style
Varies depending on the subject, SD memory card brand, image-recording quality, etc.

Live View Functions
Shooting Modes : Still photo shooting and video shooting
Focusing : Autofocus (One-Shot AF): Live mode, Face Detection Live mode, Quick mode; Manual focus (5x or 10x manually)
Metering Modes : Real-time evaluative metering with image sensor

from : http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=139&modelid=19943#ModelDetailAct
Metering Range : EV 0-20 (at 73°F/23°C with EF 50mm f/1.4 USM lens, ISO 100)
Grid Display : Provided (Two grid displays)
Exposure Simulation : Provided
Silent Shooting : Not provided

Video Shooting
File Format : MOV (image data: H.264; audio: Linear PCM (with internal mic: monaural, with external mic: stereo))
File Size : Recording Size: 1920 x 1080 (Full HD): 30p (29.97) / 24p (23.976) / 25p, 1280 x 720: 60p (59.94) / 50p, 640 x 480 (SD): 60p (59.94) / 50p), Movie Crop recording in 640 x 480
Continuous Shooting Time : Approx. 12 min. (1920 x 1080), 18 min. (1280 x 720), 24 min. (640 x 480)
Based on Canon's testing standards using a 4GB card
Focusing : Autofocus: Quick mode, Live mode, Face Detection Live mode; manual
Exposure Control :
(1) Program AE for movie shooting
* For shooting modes other than manual exposure.
* Shutter speed (1/30 - 1/4000 sec., signal accumulation time), aperture, and ISO speed automatically set.
(2) Manual exposure
* For manual exposure.
* Shutter speed (signal accumulation time), aperture, and ISO speed (auto/ manual) manually set. The shutter speed (signal accumulation time) is limited to 1/4000 sec. at the maximum and to 1/30 sec. at the minimum for 24/25/30 fps or 1/60 sec. or higher for 50/60 fps.
Exposure Compensation :
Up to ±3 stops in 1/3- or 1/2-stop increments
* Possible only with autoexposure.
Audio recording method :
Linear PCM
(1) Internal monaural microphone
(2) External stereo microphone jack
# * Recording level automatically adjusted.
# * Sampling frequency: 48 KHz, Bits: 16 bit x 2 ch
# * Compatible with a commercially-available external microphone with 3.5mm dia. stereo mini-jack.

Video Playback :
Playback, slow motion (variable speed possible), jump to first frame, previous frame, next frame, jump to last frame, cut out first or last, frame, and audio volume (6 levels, including mute).
* The audio level when the camera is connected to a TV set is adjusted with the TV set.

LCD Monitor
Type : TFT color, liquid-crystal monitor
Monitor Size : 3.0 in.
Dots : Approx. 1,040,000 dots (VGA)
Coverage : Approx. 100%
Viewing angle : 160°
Brightness Adjustment : 7 levels provided
Interface Languages : English, German, French, Dutch, Danish, Portuguese, Finnish, Italian, Norwegian, Swedish, Spanish, Greek, Russian, Polish, Czech, Hungarian, Romanian, Ukraine, Turkish, Arabic, Thai, Simplified Chinese, Traditional Chinese, Korean and Japanese

Direct Image Transfer
Compatible Images : JPEG and RAW images
Only JPEG images can be transferred as wallpaper on the personal computer screen

Power Source
Battery :
One Battery Pack LP-E8
AC power can be supplied via AC Adapter Kit ACK-E8
With Battery Grip BG-E8, AA-size batteries can be used

Number of Shots : Number of shots (approx.)
Temperature Shooting Conditions
AE 100% AE 50%, FA 50%
At 73°F/23°C 550 470
At 32°F/0°C 440 400
Live View shooting at 73°F/23°C 200 170
Live View shooting at 32°F/0°C 180 150
Movie Shooting Time 1 hr. 40 min. 1 hr. 20 min.

The above figures apply with a fully-charged Battery Pack LP-E8.
The figures above are based on CIPA (Camera & Imaging Products Association) testing standards.
Battery Check : Auto
Power Saving : Provided. Power turns off after 30 sec., 1, 2, 4, 8, 15 min.
Date/Time Battery : Built-in secondary battery
Start-up Time : Approx. 0.1 sec.

Dimensions and Weight
Dimensions (WxHxD) : Approx. 5.1 x 3.8 x 3.0 in./128.8 x 97.5 x 75.3mm
Weight : Approx. 18.7 oz./530g (CIPA standard, includes battery and memory card.)

from : http://www.usa.canon.com/