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Canon PowerShot S45 A sleek design, improved electronics and user interface, direct support for a Canon inkjet printer, and four megapixels of resolution! Select a topic Reference: Datasheet S45 Photo Gallery! S45 Sample Images --------------------------------- 1. Intro and Highlights 2. Executive Overview 3. Design 4. Viewfinder 5. Optics 6. Exposure & Flash 7. Shutter Lag & Cycle Time Tests 8. Operation & User Interface 9. Camera Modes & Menus 10. Image Storage & Interface 11. Video, Power, Software 12. Test Results & Conclusion --------------------------------- Print-Friendly Review Version Additional Resources and Other Links Reader Comments on S45 Review --------------------------------- Digital Camera Comparometer (TM) --------------------------------- <-- Digital Cameras (Home) <-- Digital Camera Reviews Index (Next): Executive Overview>> Page 1:Intro and Highlights Review First Posted: 02/22/2003

	*	4-Megapixel CCD delivers 2,272 x 1,704 pixel images
	*	3x optical zoom lens covers 35-105mm equivalent range
	*	Nice mix of high-end features, easy usability
	*	Beautiful, rugged, compact design

 

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Introduction

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Canon U.S.A. has long been a strong contender in both film and digital camera markets, well-known for its high-quality optics, technical innovations, and aggressive product development. Since early 2001, Canon has released a full complement of new digital cameras, all designed and engineered to live up to Canon's competitive standards. The 4.0-megapixel PowerShot S45 updates this extensive line by improving on an already excellent model, the PowerShot S40. The S45 is an advanced point-and-shoot style digital camera that incorporates many features from the high-end PowerShot G3 model, but in a more compact, portable format. With the exception of the rotating LCD monitor and external hot shoe, the S45 has almost all of the advanced features of the G3, including an impressive range of automatic and manual exposure controls, a 3x optical zoom lens, JPEG and RAW file formats, and in-camera adjustment of image contrast, sharpness, and color saturation. In addition to these features, relative to the earlier S40, the S45 also offers an updated user interface, more customizable features, a nine-point AiAF focus mode. Like other Canon digicams, the S45 has a direct-to-inkjet printer connection, enabling the user to make prints not only to the Canon CP-10 and CP-100 Photo Card Printers, but also to several of the company's newest inkjet ("bubble-jet" in Canon's terminology) printers. The S45 has a host of other updates, too numerous to mention fully here, but detailed further on. With a list price at introduction of only $499, the PowerShot S45 is an excellent bargain, sure to be a popular choice among business users, prosumer photographers, advanced amateurs, and even beginning photographers who want a high-quality digital camera that delivers large, sharp, colorful picture files.

High Points

• 4.0-megapixel CCD delivering up to 2,272 x 1,704-pixel resolution images.
• 1.8-inch, color LCD monitor.
• 3x optical zoom lens, 7.1-21.3mm (equivalent to a 35-105mm lens on a 35mm camera) with auto and manual focus, adjustable focus area, and focus bracketing.
• Up to 3.6x digital telephoto.
• Full automatic, program AE, shutter priority, aperture priority, and manual exposure modes, as well as five preset exposure modes and a Custom mode.
• Manually adjustable aperture settings from f/2.8 to f/8.0, depending on zoom setting.
• Manually adjustable shutter speed settings from 1/1,500 to 15 seconds.
• ISO sensitivity equivalents: Auto, 50, 100, 200, and 400.
• Three metering modes: Evaluative, center-weighted average, and spot metering
• White balance setting with nine adjustment modes, including a manual setting.
• Built-in flash with five operating modes.
• RemoteCapture utilities for controlling the camera from a computer.
• JPEG and RAW still image file formats, movies saved as AVI / Motion JPEG and WAVE formats.
• Images saved to CompactFlash Type I or II memory cards, 16MB card included.
• Movie mode with sound.
• Interval shooting mode, plus two Continuous Shooting modes.
• Stitch-Assist mode for creating panoramic pictures.
• Record up to 60 seconds of sound with individual images.
• DPOF (Digital Print Order Format) compatibility.
• USB cable for high-speed connection to a computer.
• Canon Digital Camera 11.0 utility application, plus ArcSoft PhotoStudio and VideoImpression software.
• Powered by Canon NB-2L rechargeable lithium-ion battery pack, with optional AC adapter.

Changes from the Canon PowerShot S40

Just as the preceding PowerShot S40 was based on Canon's G2, the new S45 is based on Canon's G3 model. ("A G3 in sheep's clothing" might be an apt description.) Thus, the S45 shares many of the same advancements over the S40 that the G3 has relative to the G2. I address all of these in the text of the review, but also assembled the list below for more convenient, concise reference:

• Faster processing, thanks to DiGiC processor - The S45 uses the same main processing chip we saw in the G3 and S230. This faster, lower-power chip improves autofocus speed and cycle times, while slightly reducing power consumption. (By roughly 15 percent, depending on the camera's operating mode.)
  
  
• 12 bits per channel digitizing and processing. - Another improvement deriving from the "Digic" chip. The greater bit depth helps preserve detail in highlight regions.
  
  
• Modified/Enhanced user interface - Canon's recent cameras have an improved/expanded "Func" button, which presents essentially all primary camera settings under a single menu system, rapidly accessible from the back panel. The change is subtle, but greatly improves ease of use and operating speed relative to Canon's previous menu structure.
   
• "Photo Effects" changes - "Photo Effects" options of Vivid, Neutral, Low Sharpening, Sepia, B&W, Custom appear under the FUNC button, and are now available in all exposure modes.
   
• New "Custom" exposure mode - The S45 sports a new "C" Mode-dial setting that lets you quickly recall a wide variety of shooting settings you previously saved in P, Tv, Av, or M shooting modes. Settings that can be recalled via the Custom mode include all shooting menu settings, the lens zoom position, and the manual focus setting.
  
  
• Nine-point AiAF / Flexible AF point option - More G3-level technology. In AiAF mode, the camera utilizes a matrix of nine AF zones, choosing the most appropriate ones for each subject. You can also manually move an AF-area window freely around the frame, to a more or less continuous range of positions within the central 60 percent or so of the image area.
   
• Focus bracketing - This feature is a carryover from the G3. With focus bracketing enabled, the camera will shoot three exposures in rapid succession, in front of, at, and behind the current subject/focusing distance. (Note that focus bracketing is only available when the flash is disabled.)
  
  
• Improved exposure algorithms - In yet another carryover from the G3, the S45 uses Canon's Intelligent Scene Analysis based on Photographic Space (iSAPS). The camera uses a variety of factors including multi-segment scene brightness and focusing distance to determine exposure, cross-referencing them against a table of known scene types. The overall result is that the camera is less likely to be "fooled" by scenes with unusual brightness distribution.
  
  
• Two manual white balance presets - You can now save two different Custom white balance settings, and switch quickly back and forth between them without having to re-shoot a white card each time. I really appreciate this feature, as it's very handy when you have to switch back and forth between two different lighting conditions. (For instance, indoors and outdoors at a party or gathering.)
   
• Orientation sensor - Cleverly tags images as vertical or horizontal format, depending on the orientation of the camera when the shot was taken..
   
• Expanded controls - New settings options let you enable or disable Manual Focus zoom (magnification of central portion of image during MF operations), distance units used in MF display, AF assist light, Auto Rotate, File Number Reset, and change USB mode.
   
• Manual flash control - Manually set flash output of 1/3, 2/3 or FULL. Available in Manual exposure mode, or optionally in either Aperture or Shutter Priority. Manual flash control is designed to facilitate use of the S45 with conventional slave triggers for studio strobes. In Manual flash mode, the S45's built-in flash emits only a single pulse of light (there's no pre-flash for metering), so ordinary slave triggers will synchronize properly with the opening of the S45's shutter.
   
• Long-exposure flash sync control - Choose between "1st-curtain" and "2nd-curtain" sync.
   
• Intervalometer - An option for time-lapse shooting, with interframe intervals of one to 60 minutes, and from two to 100 total shots.
   
• Movie clip length - The S45 can now record movie clips nonstop for up to three minutes.
  
  
• Playback zoom - The S45 can magnify images up to 10x on the LCD screen during playback, vs. the 5x maximum of the S40.
  
  
• Expanded direct printing capabilities - The S45 will print directly (no computer required) to Canon's CP-10, CP-100 dye-sub printer, as well as the S830D and S530D Bubble Jet printers. The S40 only printed to the CP-10.
   
• EXIF 2.2 - The S45's JPEG file headers now include full EXIF 2.2 data, supporting the open ExifPrint standard for improved color and tonal rendition by EXIF 2.2-compliant printers.