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Canon PowerShot Pro90 IS Specifications

Street Price US: $1,300
UK: £1,099 (inc VAT)
Germany: 3,199 DM (inc VAT)
Max resolution 1856 x 1392
Lower resolutions 1024 x 768
640 x 480
Image ratio w:h 4:3
CCD pixelsClick for help 3.34 megapixels (2.6 effective)
CCD sizeClick for help** 1/1.8" (0.556")
CCD colour filter arrayClick for help C - Y - G - M
ISO ratingClick for help Auto (50-100), ISO 50, 100, 200, 400
Lens Canon F2.8 - F3.5 Image Stabilised, 13 elements in 10 groups
Lens thread 58 mm
Zoom wide (W)Click for help 37 mm
Zoom tele (T)Click for help 370 mm (10 x)
Digital zoomClick for help Yes, 2 x or 4 x
Auto Focus Continuous AF (Silent focus mechanism)
Manual FocusClick for help Yes (approx. 40 focus positions)
Normal focus range Wide: 10 cm - Infinity
Tele: 1 m - Infinity
White balance override Auto, Five presets, Custom white balance
Min shutterClick for help 8 sec (Shutter Priority or Manual)
Max shutterClick for help 1/1000 sec
Flash Internal, automatic pop-up
Flash range (ISO 100) Wide: 70 cm - 4.2 m
Tele: 1 m - 3.4 m
External Flash Yes, Hot-Shoe: Canon Speedlite 220EX, 380EX, 420EX and 550EX
Flash modes Auto, Red-eye reduction auto, Red-eye reduction on, On and Off
Exposure modes Auto, Creative (Program AE, Aperture Priority, Shutter Priority, Manual), Pan-Focus, Portrait, Landscape, Night scene, B&W, Stitch Assist, Movie
MeteringClick for help Center-weighted, Spot
Aperture priorityClick for help Wide: F2.8, F3.2, F3.5, F4.0, F4.5, F5.0, F5.6, F6.3, F7.1, F8.0
Tele: F3.5, F4.0, F4.5, F5.0, F5.6, F6.3, F7.1, F8.0
Shutter priorityClick for help Yes, 1/1000, 1/800, 1/640, 1/500, 1/400, 1/320, 1/250, 1/200, 1/160, 1/125, 1/100, 1/80, 1/60, 1/50, 1/40, 1/30, 1/25, 1/20, 1/15, 1/13, 1/10, 1/8, 1/6, 1/5, 1/4, 0.3, 0.4, 0.5, 0.6, 0.8, 1, 1.3, 1.6, 2, 2.5, 3.2, 4, 5, 6, 8
Full manualClick for help Yes (any combination of above apertures & shutter speeds apart from 1/1000 sec only F4.0 - F8.0)
Noise reduction All the time (always enabled)
AE Lock Yes
Exposure adjustmentClick for help -2EV to +2EV in 1/3EV steps
Bracketing Yes, 3 images @ 0.3, 0.7, 1.0, 1.3, 1.7 or 2.0 EV steps
Continuous shooting Yes, ?? fps @ 1856 x 1392 FINE with LCD Off
Movie clips 320 x 240, 15 fps, 30 seconds, including audio
Audio clips Yes, WAV file format
Tripod mount Yes
Self-timer Yes, 10s delay
Video out Yes, switchable NTSC / PAL
Storage types Compact Flash Type I & II
Storage included 16 MB Compact Flash Type I card
Uncompressed format Yes, RAW (Canon proprietary)
Compressed format JPEG (EXIF)
Quality Levels RAW, JPEG: Super Fine, Fine, Normal
Viewfinder TTL Electronic View Finder (with dioptre correction)
LCD 1.8" TFT Flip-out and tilt
Playback zoom Yes, 2.5x to 5.0x
Operating system Proprietary
TWAIN acquire (Required for RAW format)
PC Windows 95/98 (including SE) / Me / NT 4.0 (Service Pack 3 or higher) / 2000, Mac OS 8.1 or higher
Video Out PAL / NTSC (selectable) - including audio
Connectivity USB, RS232C (optional cable)
BatteryClick for help Yes, supplied Canon BP-511 Li-Ion rechargeable
Battery chargerClick for help Yes, supplied AC adapter / charger
Weight (exc. batteries) 680 g (1.5 lb)
Dimensions 125 x 85 x 130 mm
(4.9" x 3.3" x 5.1")

Click for help- click for pop-up help

** 

This means that if it were a vidicon tube it would be 0.556 inches in diameter.

This measuring system is a leftover from the days of video TUBES and has nothing to do with the surface area of the chip in a direct sense. The Edmund Scientific Optics catalog has a sidebar that completely backs up the idea.

For instance, a "one inch" chip has a 16mm diagonal sensor array. A "one half inch" chip has an array of only 8mm in the diagonal. This means that the 1/1.8 = 0.555 inch measurement means NOTHING about the sensor array size. Unless they have changed the entire measurement system just for this chip, the actual sensor patch is 11% larger than the 8mm of a 1/2 chip or 8.88mm in diagonal.

(Mark Schubin of Videography Magazine)

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