Affordable Range: Canon Powershot A510
             Price: $170

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Specifications:

Image Sensor: 1/2.5" 3.2 MP Effective, 3.3 Total CCD
Zoom: 4xOPT, 3.2xDG
Aperture: f/2.6-8.0 (W), f/5.5-8.0 (T) 
Shutter Speed: 15-1/2000 sec
LCD: 1.8" LCD
Resolutions: 2048x1536, 1600x1200, 1024x768, 640x480
Focus: 9-point AiAF/ 1-point AF
Sensitivity: 50/100/200/400
File Formats: JPEG
Recording Media: SD/MMC card
Movies: 640x480, 320x240 or 160x120
Interface: USB
Battery: 2x AA Batteries
Dimensions & Weight: 3.57" x 2.52" x 1.51" 6.35 oz.