Used Canon Powershot S50 Digital Camera (5.0 megapixel, 3.1X optical / 4.1 Digital Zoom #8445A001

1/1.8-inch CCD Total Pixels Approx. 5.3 million (Effective Pixels Approx. 5 million)
Filter Array: Primary Colour Filter
Image Processor:DIGIC

3x Optical Zoom Lens, 3.6x Digital Zoom 7.1-21.3mm (35mm film equivalent: 35 - 105mm) f/2.8 - f/8.0 (wide-angle), f/4.9 - f/8.0 (telephoto)

3.6x (Maximum 11x digital zoom is available when combined with optical zoom.)

Real-image optical zoom viewfinder, LCD

1.8-inch TFT color LCD

TTL auto-focus
FlexiZone AF/AE or 9-point AiAF or Centre Point
AF lock, Manual focus and Focus bracketing are available

Normal AF: 50cm (20") - infinity

Macro AF: 10cm (0.3ft.) (wide-angle) / 30cm 12") (telephoto) - 50cm (20")

Manual focus: 10cm (0.3ft.) (wide-angle) / 30cm (1.0ft.) (telephoto) - infinity

15 - 1/1,500 sec
Slow Shutter of 1.3 seconds and more, available in Manual and Tv modes only, operate with noise reduction

Program AE, Shutter priority AE, Aperture priority AE or Manual exposure control; AE lock is available.
Light Metering Method: Evaluative/Centre-weighted average/Spot metering
Exposure Compensation: +/- 2.0EV [at every 1/3-stop] Auto Exposure Bracketing (AEB) is available

High speed: Approx. 2.5 images/sec (shooting speed can be maintained up to 14 images)
Normal: Approx. 1.5 images/sec (shooting speed can be maintained up to 14 images)
[Large/Fine mode, when LCD monitor is turned off]

Operates with approx. 2 or 10 second countdown. (Selectable)

Auto, or user-set ISO 50, 100, 200, 400 equivalent (At Auto setting, camera automatically adjusts sensitivity in the range of ISO 50 to ISO 100 equivalent.)

Auto, 6 presets [Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent High, Flash], and Custom 1 & 2

Auto, On/Off (Red-eye reduction On/Off)
[Slow sync and 1st or 2nd curtain sync can also be selected]
Flash Exposure Compensation: + /- 2.0EV [at every 1/3-stop]
FE Lock and manual flash power adjustment is available

21.7" - 13.1' / 0.55-4.0M (W), 21.7" - 8.2' / 0.55-2.5M (T) [at ISO 100 equivalent]

No

CompactFlash card (Type I or Type II)

Still image: JPEG (Exif 2.2 [Exif Print] compliant) or RAW
Movie: AVI [Image data: Motion JPEG, Audio data: WAVE (monaural)]
Sound annotation: WAVE (monaural)

Super-Fine, Fine or Normal

Still image: Large: 2,592 x 1,944, Medium High: 1,600 x 1,200, Medium Low: 1,024 x 768, Small: 640 x 480, Movie: 320 x 240 (15bps) or 160 x 120 (15bps)

Yes; AVI (Motion JPEG, WAVE), High (320x240)/Low (160x120), 15 fps

Audio data: WAVE [monaural])

Sound memo: WAVE [monaural]

USB (Normal/PTP)

Rechargeable Lithium-ion battery (type: NB-2L) or optional AC Adapter Kit ACK 700

Audio/Video Output (NTSC or PAL selectable, monaural audio)

4.4 x 2.3 x 1.7 in. /112.0 x 58.0 x 42.0 mm. (excluding protruding parts)

Approx. 9.2oz./260g (camera body only)

Mac Requirements Hardware: Power Macintosh, PowerBook, iMac or iBook OS: Mac OS 8.6 through 9.1 (Incompatible with Mac OS X) CPU: Power PC Interface: USB: Cable connection via camera's USB port is limited to genuine Apple Computer brand models with a built-in USB interface (Power Macintosh NEW G3/G4, PowerBook G3, iMac, iBook). RAM: 20MB and over

Shooting Modes: Auto, Creative Zone (Program, Tv, Av, Manual and Custom), Programmed Image Control Zone (Portrait, Landscape, Night Scene, Fast Shutter, Slow Shutter, Stitch assist and Movie).
Photo Effects Mode: Vivid/Neutral/Low Sharpening/Sepia/Black & White/Custom Interval shooting: In increments of 1-60 min. for up to 100 shots