Canon PowerShot S90 Review

November 10, 2009 | Gavin Stoker | Rating star Rating star Rating star Rating star Half rating star


The Canon PowerShot S90 is a new small compact camera with a wealth of professional features. Marking the return of the Canon PowerShot S-series, the Canon S90 is aimed at the DSLR owner looking for a backup compact or the enthusiast who wants DSLR functionality in a pocketable format, with RAW format support, a full range of manual shooting modes and a sophisticated level of customisation on offer. The PowerShot S90 features an intuitive lens Control Ring, which enables users to adjust the settings of various functions by twisting the selector at the base of the lens barrel to the left or right. The S90 shares the same 10 megapixel CCD sensor as the G11, as Canon targets image quality rather than out-and-out resolution. Other key highlights of the Canon S90 include a a 3.0 inch LCD display with a resolution of 461K dots, 3.8x, 28-105mm zoom lens, RAW format support, optical image stabilizer to help combat camera-shake, and a 1cm macro mode. Available in black, the Canon PowerShot S90 is priced at £449.00 / €519.00 / $429.99.

Ease of Use

Canon's new PowerShot S90 is designed to reinvigorate and re-launch its S-series of compacts. And, with its function attributable lens control ring at the front, solid-feel Ricoh GR III-style build quality, £450 UK asking price, hidden integral flash yet diminutive pocket-sized dimensions, it does command attention from the off.

In fact, the S90 feels like a point-and-shoot camera that, to use crass MTV parlance, has been ‘pimped'. So first impressions suggest Canon's breathless billing of this product as ‘the return of the pocket powerhouse' might not in fact be that wide of the mark. Interpreted another way, it's like a bulkier G-series camera - such as the recently reviewed G11 - has been shrunk to more manageable proportions. It feels solid even at its body-only weight of 175g when gripped in the palm - if missing an actual grip - and slips readily into a trouser pocket or handbag.

Like the G11, the S90's identically ‘modest' 10-megapixel sensor indicates that Canon is continuing to call a halt to the race for more megapixels in preference to improving said sensor's ability to perform better at higher ISO settings. Thus the S90 offers the ability to shoot at maximum ISO 3200 at full stills resolution, with, more unusually still, a plethora of incremental 1/3 stop adjustments available between the lowest ISO 80 setting and this top option. Canon suggests its f/2.0 lens has been fitted to allow in twice as much light as a more standard issue f/2.8 aperture optic, allowing for faster shutter speeds and shallower depth of field.

Other specification of note on the S90 includes a 28mm wide-angle setting, optically stabilized 3.8x zoom providing a four stop advantage claims its manufacturer, 3-inch, 461-dot resolution LCD in the absence of its bigger brother's additional optical viewfinder, side mounted HDMI (High Definition Multimedia Interface) port, plus Digic 4 processor and exposure adjusting iContrast function now a standard feature across the Canon family. More surprisingly for a compact with a width not a great deal broader than your credit card, both Raw and JPEG capture are also offered.

Perhaps more predictably, point-and-shoot user friendliness on the S90 comes in the form of the fully automatic face detection, motion detection and Smart Auto scene detection technologies regularly found on Canon's snapshot compacts. Less predictable - and disappointingly so - is that video clips are of bog standard 640x480 pixels resolution rather than the increasingly ubiquitous 1280x720 or 1920x1080: the fabled Full HD. Had Canon included this nigh ubiquitous functionality the little S90 might have had it all - on paper at least.

But, pared down to the essentials (which includes a quick start guide in the box and full manual on provided CD only), there's nothing initially about the S90 that feels extraneous or gimmicky. This includes the fact that there isn't a dedicated button for activating the pop up flash, so this is done via selection of the settings offered via the rear command pad/scroll wheel. Select forced flash and, technically, rather than popping up, the bulb instead rises majestically from the body with a low mechanical accompaniment… very cool.

Canon PowerShot S90 Canon PowerShot S90
Front Rear

Of course, though first impressions are, um, impressive, all this comes at a cost - currently £450 in the UK - a price that would, once again, net you an entry level DSLR and kit lens as an alternative. Is portability and a feature set that falls between compact and DSLR really worth quite that much? In an ideal world no, but let's grit our teeth and press on nonetheless to see if there's sufficient sugar to sweeten the pill…

The most prominent feature of the S90's clean and rather serious looking faceplate is firstly the lens itself, and secondly the aforementioned control ring that encircles it and turns with a series of satisfyingly audible clicks. Functions are attributed to a twist of the ring in conjunction with a press of the lozenge shaped ‘ring function' button recessed into the camera's top plate. In this way, to take one example, users can elect to adjust focus manually, a distance slider appearing on the right hand side of the LCD screen and the central portion of the image enlarged as a further aid to accuracy. Other options for the ring function are the selection of ISO speed, the tweaking of exposure (+/- 2EV), manual adjustment of white balance or as a stepped zoom, providing the equivalent of 28mm, 35mm, 50mm, 85mm and 105mm steps.

And, if you opt for the new ‘nostalgic' mode hidden within the scene mode options, a continual twist of the lens ring in either direction will progressively de-saturate the colours in your image to give the effect of ageing, with a full twist rendering the shot relayed on screen as black and white.

Apart from the enticingly tactile draw of the lens ring, the flat front plate of the S90 houses a microphone within a hole the size of a pinprick plus an AF assist/self timer lamp window top left of the lens. The aforementioned flash is housed within the top plate so that when it's raised it is at least a centimeter away from the lens in a cursory attempt to avoid the blight of red eye.

Moving to the top plate then we find at its foremost edge a shutter release button encircled by a zoom rocker switch with front lip that has been squared off to fall into line with the width of the body and avoid distracting from the clean lines. There's just enough of it to achieve purchase with a fingertip, lens traveling steadily and surely from maximum wide-angle setting to extreme telephoto in just under two seconds sound-tracked by a low operational whirr.

Also set into the top plate is the previously indicated ring function button, plus next to it a smaller identically shaped on/off button. Press this with a fingernail and the S90 powers up for action in just over a second, rear LCD bursting into life soundtracked by a musical ‘sting' and lens barrel extending from its stacked hiding place within the camera's innards to its maximum wide angle setting. A half press of the nearby shutter button and the camera chooses a point of focus within a second or so, AF point or points flashing in green accompanied by an affirmative ‘beep'. Go on to take the shot and there's little if any discernable shutter delay, while full resolution JPEGS are written to inserted (optional) SD or SDHC card (there's no internal memory provided to fall back on) in the standard two to three seconds, with Raw files - selectable in program or one of the other four creative shooting modes - taking a mere fraction of a second longer.

With the integral flash housed and hidden to the far left of the top plate (if gazing down on the camera), to the right is an inset shooting mode dial operated by the thumb. Rigid to the touch, it clicks definitely into place at each of its nine mode settings. These comprise the creative grouping of program, shutter priority, aperture priority, manual and a single custom mode, plus separate smart auto, low light, scene and video modes. The low light mode is a new addition to the Canon range, boosting ISO up to an equivalent ISO12800, with the trade off being that resolution drops to a relatively lowly 2.5 megapixels. The S90's smart auto functionality goes ‘one louder' than rivals in comparing common scenes or subjects with not just five or six options, but 22 variables to deliver - in theory - the most appropriate and optimal results.

Canon PowerShot S90 Canon PowerShot S90

Pop-up Flash

Click the mode wheel around to each subsequent setting and the name and icons of said mode appears on the camera's LCD with, in some cases, a brief text description of the best application for the particular mode. This suggests that the S90 can be used as readily by beginners as more seasoned digital camera users, the variety of shooting options to be found on the mode dial allowing first timers to move beyond their initial comfort zone as familiarity with the camera's workings grows over time.

With the back of the compact largely swallowed up by the LCD screen, the visibility of which proves more than adequate both indoors and out (even if larger is nearly always better), a familiar array of controls is found shunted to the right hand side. Familiar, in that they ape those found on the G11 to a fair extent, including the love it or ignore it scroll wheel surrounding the thumb operated four-way control pad.

From the top then, we have a rounded piece of moulding extending from below where the mode dial sits on the top plate, a subtle indentation provided into which rests the tip of the users thumb when gripping the camera for shooting handheld. This is the only place on the camera affording much in the way of manually steadying the S90; as mentioned, keeping things resolutely compact, there's no grip provided at the front or sides - being one of the few areas in which this model feels truly compromised.

With an indicator light to the left and a built-in speaker to the right of this thumb dip, below we find a pairing of buttons for earmarking images for direct print via a PictBridge enabled device and a dedicated playback/review button respectively.

Beneath this again is that control pad and scroll wheel combo. At points north, east, south and west we get options, in capture modes, for adjusting exposure compensation, flash settings, self-timer options, macro or manual focus - if not already using the front lens ring for the latter. If the camera is in playback mode, points north and south allow a series of captured images to be leapfrogged if hunting down a particular shot saved to card in a hurry, or alternatively deleting a duff capture.

In the centre of the control pad we find a function/set button. Press this, and as we're used to from recent Canon compacts a toolbar appears down the left hand side of the screen, options highlighted or de-selected dependant on whether the user is in auto capture or one of the more fully featured creative capture modes.

In program mode for example, selecting the ISO icon provides a slide rule across the bottom of the screen with ISO speeds set out incrementally in the following order: Auto, 80, 100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200. The user simply utilizes the scroll wheel or tabs between them to select the desired setting.

Canon PowerShot S90 Canon PowerShot S90
Memory Card Slot Battery Compartment

The other selectable options on the tool bar comprise white balance, Canon's familiar ‘My Colours' effects modes, an exposure or focus bracketing option - whereby three successive shots are taken - the ability to adjust the intensity of the flash, switch between evaluative, centre weighted average or spot metering, single or continuous shooting modes or the various image capture formats - including Raw or JPEG plus a widescreen format option.

Returning to the camera back, and below the control pad we find a final pairing of buttons for display and self-explanatory ‘menu'. Press the former once and the user is rewarded with both a nine zone compositional grid and simultaneous histogram being added to the on-screen info.

A press of menu meanwhile brings up a trio of folders, for image capture, set up and My Menu settings, in that order. It's via the first folder that the user can enable such settings as iContrast and auto red eye reduction/removal, as well as blink detection and adjusting the image stabilization mode to come into effect only when taking a shot, when panning the camera, or have it on continuously. Here we further find the opportunity to enable the recording of Raw and large JPEG images in tandem - very DSLR-like - when the Raw option is selected from the on-screen side toolbar.

While the left hand flank of the S90, viewed from the rear, is devoid of controls, the right hand side features hard plastic covered ports for both an HDMI cable (not supplied in the box) plus more regular combined AV out/USB out port (for which two separate cables are provided).

The base of the camera meanwhile features a screw thread for a tripod attachment just left of centre and a sliding door with catch protecting slots for the provided lithium ion rechargeable battery and optional SD/SDHC card, both of which slot relatively easily into place. A battery life lasting 220 shots without flash isn't particular generous however, and any less would be downright alarming at this price point. As it was, after a couple of days' use our battery was back in the provided charger, so you'll want to cart this or a spare battery away with you on any extended trip or visit.

So, what can we conclude from the above? Well, the one message that comes across loud and clear is that, for those who have eyed up the likes of Canon's G11 flagship bridge model but concluded that even that was too bulky for their purposes, the S90 offers a more portable - and let's face it, a whole lot cuter - alternative.

But can a compact camera of such credit card sized dimensions really produce images that real photographers would be proud of? Read on…

Image Quality

All of the sample images in this Review were taken using the 10 megapixel Fine JPEG setting, which gives an average image size of around 3Mb.

As we've found with nearly all Canon's semi pro compacts to date, when it comes to image quality there's very little to take issue with, aside from the fact that colours can feel a little cool when left on the camera's default settings, and, at maximum wide angle setting, some barrel distortion is evidenced, most prominently in our white brick wall test shots - along with softening of detail towards the corners.

Selecting iContrast in strong sunlight we found gave added definition and depth to a shot that could otherwise be left looking a little wishy-washy and hazy if the camera was entrusted entirely to its own devices. On that note though, Canon's point and shoot Smart Auto functionality works well, and reliably with it.

A lens that lets in plenty of light and a sensor not over-burdened with pixels also meant that we were able to shoot interior shots handheld and without the use of flash and avoid tell tale blur resulting from camera shake - aided further of course by on board image stabilisation.

Inevitably some pixel fringing is in evidence between areas of high contrast in outdoor shots, but it's kept well within acceptable levels and wouldn't be noticed unless zooming in to scrutinize detail like we were.

In terms of ISO performance the S90 excels in keeping noise down to acceptable levels. Even at ISO 3200, though detail has softened our test images reveal results that arguably, would give lesser compacts shooting at ISO 800 a run for their money, or certainly ones taking images at ISO 1600 if we're being particularly conservative.

For what appears at first glance to be a point-and-shoot camera with bells on, the S90 offers a level of sophistication that few can match - now our only worry is the price.


There are 7 ISO settings available on the Canon PowerShot S90. Here are some 100% crops which show the noise levels for each ISO setting.

ISO 80 (100% Crop)

ISO 100 (100% Crop)

iso80.jpg iso100.jpg

ISO 200 (100% Crop)

ISO 400 (100% Crop)

iso200.jpg iso400.jpg

ISO 800 (100% Crop)

ISO 1600 (100% Crop)

iso800.jpg iso1600.jpg

ISO 3200 (100% Crop)



Here are two 100% crops which have been Saved as Web - Quality 50 in Photoshop. The right-hand image has had some sharpening applied in Photoshop. The out-of-the camera images are a little soft at the default sharpening setting. You can change the in-camera sharpening level if you don't like the default look.

Original (100% Crop)

Sharpened (100% Crop)

sharpen1.jpg sharpen1a.jpg
sharpen2.jpg sharpen2a.jpg

Chromatic Aberrations

The Canon PowerShot S90 handled chromatic aberrations very well during the review, with limited purple fringing present around the edges of objects in high-contrast situations, as shown in the example below.

Example 1 (100% Crop)



The Canon PowerShot S90 allows you to focus on a subject that is just 1cm away from the camera. The first image shows how close you can get to the subject (in this case a compact flash card). The second image is a 100% crop.

Macro Shot

100% Crop

macro1.jpg macro1a.jpg


The flash settings on the Canon Powershot S90 are Auto, On, Auto Red-eye Reduction, Slow Synchro and Off. These shots of a white coloured wall were taken at a distance of 1.5m.

Flash Off - Wide Angle (28mm)

Flash On - Wide Angle (28mm)

ISO 64 ISO 64

Flash Off - Telephoto (105mm)

Flash On - Telephoto (105mm)

ISO 64 ISO 64

And here are some portrait shots. As you can see, neither the Flash On or the Red-eye-Reduction settings caused any red-eye.

Flash On

Flash On (100% Crop)
flash_on.jpg flash_on1.jpg

Red-eye Reduction

Red-eye Reduction (100% Crop)

flash_redeye.jpg flash_redeye1.jpg


The Canon Powershot S90's maximum shutter speed is 15 seconds, which is great news if you're seriously interested in night photography. The shot below was taken using a shutter speed of 1/20th second at ISO 800. I've included a 100% crop of the image to show what the quality is like.

Night Shot

Night Shot (100% Crop)

night1.jpg night1a.jpg

Sample Images

This is a selection of sample images from the Canon PowerShot S90 camera, which were all taken using the 10 megapixel Fine JPEG setting. The thumbnails below link to the full-sized versions, which have not been altered in any way.

Sample RAW Images

The Canon PowerShot S90 enables users to capture RAW and JPEG format files. We've provided some Canon RAW (CR2) samples for you to download (thumbnail images shown below are not 100% representative).

Sample Movie & Video

This is a sample movie at the highest quality setting of 640x480 pixels at 30 frames per second. Please note that this 32 second movie is 41.2Mb in size.

Product Images

Canon PowerShot S90

Front of the Camera

Canon PowerShot S90

Front of the Camera / Pop-up Flash

Canon PowerShot S90

Front of the Camera / Lens Extended

Canon PowerShot S90

Isometric View

Canon PowerShot S90

Isometric View

Canon PowerShot S90

Rear of the Camera

Canon PowerShot S90

Rear of the Camera / Image Displayed

Canon PowerShot S90

Top of the Camera

Canon PowerShot S90

Bottom of the Camera

Canon PowerShot S90

Side of the Camera

Canon PowerShot S90
Side of the Camera
Canon PowerShot S90
Memory Card Slot
Canon PowerShot S90
Battery Compartment


With the race for more megapixels momentarily slowing at consumer level, it seems that small is the new big. Just as other manufacturers have been attempting of late to introduce compacts with the power of a DSLR, the Canon PowerShot S90 is, in effect, a bridge model without that class of cameras' associated bulk and occasional operational obstreperousness. It's user friendly, without lacking the sophistication that a fairly generous helping of manual control/s provides; shame about the lack of anything approaching a grip though.

So to the (other) major obstacle in the S90's way: its retail price, which matches that of an entry level DSLR. To the uninitiated browsing the selves of their local camera emporium, picking it up and having a cursory play, a cost of £250-299 (the standard price for sturdy if lesser featured 10 or 12MP compacts) will feel apt. A price tag of a cool £150 more will, under such circumstances, we'd argue come as a bit of a shock.

If you already own a DSLR, and possibly also a bridge camera, ownership of the S90 - more portable and with nearly as much on-board sophistication - starts to make a little more sense. Or perhaps if you view the S90 as the one and only compact you're ever going to buy or need.

Financial concerns aside, offering advanced features and yet compact dimensions, the Canon PowerShot S90 can count itself among the rare number of cameras we feel sad (and slightly aggrieved) to have to return to the manufacturer at the end of our review period. Impressive stuff.

4.5 stars

Ratings (out of 5)
Design 4.5
Features 4.5
Ease-of-use 4.5
Image quality 4.5
Value for money 3.5

Review Roundup

Reviews of the Canon PowerShot S90 from around the web. »

Usually I'd spend a lot of time running down features and talking about performance before giving you the bottom line on Canon's new pocketable camera. But I just can't be coy about this one. The S90 is the best compact camera I've ever used. Oh, you'd like to hear more? Certainly.
Read the full review » »

The Canon Powershot S90 is the most advanced ultra-compact from Canon. This is a very full-featured model which features full-manual controls, including manual focus, and highly efficient controls. This is new line among ultra-compacts, compared to the well-regarded but mostly point-and-shoot SD-series.
Read the full review »




1/1.7” CCD

Effective Pixels


Colour Filter Type

Primary Colour



DIGIC 4 with iSAPS technology


Focal Length

6.0 - 22.5 mm (35mm equivalent: 28-105mm)


Optical 3.8x. Digital approx. 4x (with Digital Tele-Converter approx. 1.4x or 2.3x and Safety Zoom¹)². Combined approx. 15x

Maximum f/number



7 elements in 6 groups (2 double-sided aspherical elements including 1 UA element)

Image Stabilisation

Yes (shift-type)




AF System/ Points

AiAF (Face Detection / 9-point), 1-point AF (fixed to centre)

AF Modes

Single, Continuous (only available in Auto mode), Servo AF/AE¹

AF Point Selection

Size (Normal, Small)

AF Lock

On/Off Selectable

AF Assist Beam


Manual Focus


Focus Bracketing


Closest Focusing Distance

5cm (W) from front of lens in macro


Metering modes

Evaluative (linked to Face Detection AF frame), Centre-weighted average, Spot (Centre)

AE Lock


Exposure Compensation

+/- 2 EV in 1/3 stop increments
Enhanced i-Contrast for automatic dynamic range correction


1/3 - 2 EV in 1/3 stop increments

ISO sensitivity*

AUTO, 80, 100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200



1 - 1/1600 sec (factory default)
15 - 1/1600 sec (total range - varies by shooting mode)





Auto (including Face Detection WB), Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Flash, Underwater, Custom.
White Balance Correction



3.0” PureColor LCD II (TFT), approx. 461,000 dots




Adjustable to one of five levels. Quick-bright LCD



Auto, Manual Flash On / Off

Slow Sync Speed

Yes. Fastest speed 1/500 sec

Red-Eye Reduction


Flash Exposure Compensation

+/- 2 EV in 1/3 stop increments. Face Detection FE. Safety FE.

Flash Exposure Lock


Manual Power Adjustment

3 levels with internal flash

Second Curtain Synchronisation


Built-in Flash Range

50cm-6.5m (W) / 2.5m (T)

External Flash

Canon High Power Flash HF-DC1



Auto*, Program AE, Shutter priority AE, Aperture priority AE, Manual, Custom, Low Light¹, SCN (Portrait, Landscape, Night Scene, Night Snapshot, Kids & Pets, Indoor, Sunset, Foliage, Snow, Beach, Fireworks, Aquarium, Underwater, Color Accent, Color Swap, Nostalgic, Stitch Assist), Movie
*with Scene Detection Technology and Motion Detection Technology

Photo Effects

My Colors (My Colors Off, Vivid, Neutral, Sepia, Black & White, Positive Film, Lighter Skin Tone, Darker Skin Tone, Vivid Blue, Vivid Green, Vivid Red, Custom Color)

Drive modes

Single, Continuous, Self-Timer, FaceSelf-Timer

Continuous Shooting

Approx. 0.9 shots/sec.¹, AF: Approx. 0.6 shots/sec.¹, LV: Approx. 0.6 shots/sec.¹ (until memory card becomes full)²


Image Size

(L & RAW) 3648 x 2736, (M1) 2816 x 2112, (M2) 2272 x 20%4, (M3) 1600 x 1200, (S) 640 x 480, (W) 3648 x 2048. Resize in playback (M3, S, 320 x 240)


Fine, Normal


640 x 480, 30fps
320 x 240, 30fps

Movie Length

Up to 4GB or 1 hour¹


Still Image Type

JPEG compression, (Exif 2.2 [Exif Print] compliant) / Design rule for Camera File system, RAW, Digital Print Order Format [DPOF] Version 1.1 compliant


MOV [H.264 + Linear PCM (monaural)]


Canon Printers

Canon SELPHY Compact Photo Printers and Canon Inkjet Printers supporting PictBridge (ID Photo Print, Fixed Size Print and Movie Print supported on SELPHY CP & ES printers only)




Red-Eye Correction

Yes, during shooting and playback

My Camera / My Menu

Start-up image and camera sounds customisation. Menu customisation

My Category

Image tagging feature

Intelligent Orientation Sensor




Playback Zoom

Approx. 2x – 10x

Self Timer

Approx. 2 or 10 sec., Custom or FaceSelf-Timer

Menu Languages

English, German, French, Dutch, Danish, Finnish, Italian, Norwegian, Swedish, Spanish, Simplified Chinese, Chinese (traditional), Japanese, Russian, Portuguese, Korean, Greek, Polish, Czech, Hungarian, Turkish, Thai, Arabic, Ukrainian, Romanian, Farsi



Hi-Speed USB (MTP, PTP) dedicated connector (Mini-B compatible)


HDMI Mini Connector. A/V output (PAL/NTSC)



SD, SDHC, MMC, MMCplus, HC MMCplus.


PC & Macintosh

Windows XP SP2-3 / Vista (including SP1-2)
Mac OS X v10.4 - 10.5


Browsing & Printing

ZoomBrowser EX / ImageBrowser



Image Manipulation

Digital Photo Professional for RAW development



Rechargeable Li-ion Battery NB-6L (NB-6L battery and charger supplied)

Battery life

Approx. 220 shots¹
Approx. 300 min. playback

A/C Power Supply

Optional, AC Adapter Kit ACK-DC40


Cases / Straps

Soft Case DCC-1400

Waterproof / Weatherproof Case

Waterproof Case (40m) WP-DC35, Waterproof Case Weight WW-DC1


High Power Flash HF-DC1

Power Supply & Battery Chargers

AC Adapter Kit ACK-DC40, Battery Charger CB-2LYE


Canon HDMI Cable HTC-100


Operating Environment

0 – 40 °C, 10 – 90% humidity

Dimensions (WxHxD, excl. protrusions)

100.0 x 58.4 x 30.9 mm

Weight (body only)

Approx. 175g


¹ Depending on the image size selected.
² Digital zoom available for still image and standard movie modes only. Optical zoom may not be available during movie recording.

AF Modes

¹ Some settings limit availability


¹ Recording pixels fixed at 1600 x 1200 (ISO 3200 Mode) and 1824 x 1368 (Low Light Mode).

Continuous Shooting

¹ Under conditions where the flash does not fire.
² Depending on memory card speed / capacity / compression setting.

Movie Length

¹ Depending on memory card speed / capacity / compression setting.

Battery life

¹ Using the batteries and memory card format supplied with the camera (where included), except where indicated.

* Standard Output Sensitivity / Recommended Exposure Index.

According to ISO 12232:2006 (20th April 2006) which specifies the method for assigning and reporting ISO speed ratings for digital still cameras.

All data is based on Canon standard testing methods (according to CIPA Standards) except where indicated.

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