QV-R51/R41 Home
Image File
Record Format
Still Images: JPEG (Exif. Ver. 2.2), DCF standard, DPOF compliant Movies: AVI (Open DML Motion JPEG standard)
9.7MB built-in Flash memory; SD MEMORY card; MultiMedia card
Image Sizes
Still Images: 2,560 X 1,920 pixels, 2,560 X 1,712(3:2) pixels, 2,048 X 1,536 pixels, 1,600 X 1,200 pixels, 1,280 X 960 pixels, 640 X 480 pixels
Movie: 320 X 240 pixels (15 FPS)
 Image size
 Quality  File Size  9.7MB
 SD Card
 2,560 x 1,920  FINE  2.3 MB / image  4  25
 NORMAL  1.8 MB / image  5  32
 ECONOMY  1.3 MB / image  7  44
 2,560 x 1,712(3.2)  FINE  2.0 MB / image  4  29
 NORMAL  1.6 MB / image  5  36
 ECONOMY  1.1 MB / image  8  51
 2,048 x 1,536  FINE  1,640KB / image  5  35
 NORMAL  1,230KB / image  7  45
 ECONOMY  630KB / image  14  88
 1,600 x 1,200  FINE  1,050KB / image  8  53
 NORMAL  710KB / image  12  79
 ECONOMY  370KB / image  24  154
 1,280 x 960  FINE  680KB / image  13  82
 NORMAL  460KB / image  20  126
 ECONOMY  250KB / image  35  221
 640 x 480  FINE  190KB / image  46  294
 NORMAL  140KB / image  61  386
 ECONOMY  90KB / image  98  618
 Movies  Image size
 Quality  File Size  9.7MB
 SD Card
 320 x 240  60 seconds  150 KB / second  60 seconds
 410 seconds
Image Deletion Single-image; all images (with memory protection)
Effective Pixels 5.0 million Pixels
Imaging Element 1 / 1.8-inch primary color CCD (Approximate Total Pixels: 5.25 million)
Lens F 2.8 to 4.9, f = 8 to 24 mm (equivalent to 39 to 117 mm in 35 mm film format)
Zoom 3 X optical zoom, 4 X digital zoom, 12 X total zoom
Focusing Contrast-type Auto Focus (AF Mode (AF Area: Spot or Multi), Macro Mode),
Infinity Mode; focus lock; manual focus
Focus Range
Normal: 60 cm to ∞
Macro: 10 cm to 70 cm (W) (1 to 1.2X optical zoom available in Macro Mode.)
Manual (W): 10 cm to ∞
Manual (T): 60 cm to ∞
Shutter CCD electronic shutter / mechanical shutter; Shutter Speed: 1 / 8 to 1 / 2,000 second (normal); 4 to 1 / 2,000 second (night); 2 seconds fixed (fireworks); Shutter speed changes with recording mode and ISO sensitivity setting.
Aperture Wide Angle: F2.8 / 4.8, auto switching; Telephoto: F4.9 / 8.4, auto switching
White Balance Automatic / fixed (4 modes), manual
Sensitivity Auto, ISO 50, ISO 100, ISO 200, ISO 400
Self-timer 10 seconds, 2 seconds, Triple Self-timer
Flash Modes AUTO*3, ON, OFF, Red eye reduction
Flash Range
Wide Angle: 0.6 to 3.2 meters ; Telephoto: 0.6 to 1.8 meters
Recording Modes Snapshot; Best Shot*4; Movie
Monitor Screen 2.0" TFT color LCD (84,960 pixels, 354 x 240)
Viewfinder LCD monitor (field of view: 100 %) ; optical viewfinder
Clock Built-in digital quartz clock; date and time data recorded with image; auto calendar to 2049
World Time 162 cities (32 time zones) ; city name, date, current time, summer time
Input / Output
USB port (Mini-B) ; AC adaptor terminal (3 V DC)
Two rechargeable AA-size nickel metal hydride batteries ; Two AA-size lithium batteries (FR6) ; Two AA-size Alkaline Batteries (LR6) ; AC adapter (AD-C30)
Alkaline batteries may not provide any operation when the temperature is 5°C or lower.
Battery Life
Battery Type Number of Shots <CIPA standard*>
Approximately 240 snapshots
(Operation time:Approximately 120 minutes)
  *Temperature: 23oC, Monitor screen: On, Zoom operation between
full wide to full telephoto every 30 seconds, During which two images
are recorded, one image with flash; Power turned off and back on
every time 10 images are recorded.
*Frequency of flash operations and zoom, and the amount of time the camera is left on greatly affect the number of shots that can be recorded.
3V DC Approximately 3.8W
Dimensions 88.3(W) X 60.4(H) X 33.4(D) mm (excluding projections)
Weight Approximately 168g (excluding battery and accessories)
Rechargeable nickel metal hydride batteries ; Battery charger (BC-5H); Strap; USB cable; User's Guide; CD-ROM (for Windows and the Macintosh)
Software on
•Photo Loader 2.1 (Windows), Photo Loader 1.1 (Macintosh)
•Photohands 1.0 (Windows)
•USB driver 1.0 (Windows)
*1:  Number of image values are approximate. Actual number of images depends on individual image sizes and other factors.
*2:  Matsushita Electric Industrial Co., Ltd. 64MB card; actual number of images depends on memory card manufacturer.
*3:  Fires only when lighting is low.
*4:  Certain subject and shooting conditions may produce unexpected results when using Best Shot.
*5:  Batteries •Nickel Metal Hydride: SANYO Electric Co., Ltd. •AA-size lithium batteries (FR6): Fuji Film •AA-size Alkaline Batteries (LR6) : Matsushita Battery Industrial Co., Ltd.
Minimum Computer System Requirements
Windows Photo Loader 2.1 Photohands 1.0 USB driver 1.0*1
2000 2000 2000
Me Me Me
98 98 98
CPU 486 or higher
(Pentium recommended)
Pentium or higher 486 or higher
(Pentium recommended)
Memory 16 MB minimum 64 MB minimum ---
HD At least 7 MB available At least 10 MB available ---
Macintosh Photo Loader 1.1
OS 9
Memory 32 MB minimum
HD At least 3 MB available
With OS 9/10.1 /10.2 /10.3, USB connection is possible with the standard OS USB driver.
*1:  For Windows 2000, a data file is provided to allow use of the Windows 2000 standard driver in place of the provided driver. •Operation is not guaranteed on a computer preinstalled with Windows NT, 95 or 3.1, or on a computer upgraded from these operating systems.
*2:  For Windows XP, use the OS standard driver. *Visit the CASIO Website for information about other computer environments.
*    Macintosh is a registered trademark of Apple Computer Inc. of the United States. ©2003 Apple Computer Inc. All rights reserved.
*    Windows and are trademarks of Microsoft Corporation. ©2003 Microsoft Corporation. All rights reserved.
*    The USB driver uses Phoenix Technologies Ltd. software. Compatibility Software Copyright ©2003 Phoenix Technologies Ltd. All rights reserved.
*    MultiMedia Card™ is a trademark of Infineon Technologies AG of Germany, and licensed to the MultiMedia Card Association (MMCA).
*   Other company, product, and service names used herein may also be trademarks or registered trademarks of others.
*    The liquid crystal panel built into this camera is the product of precision engineering, with an pixel yield rate of 99.99 %. This also means, however that 0.01 % of the pixels can be expected to fail to light or to remain lit at all times.
*    Designs and specifications are subject to change without notice. The printing process may cause colors to differ somewhat from those of the actual product.
*    All screens shown in this catalog are photographic images. Actual screens may appear different from those shown here.
*    PRINT Image Matching is a term for the print command that is embedded in header file of the image created by Digital Camera. It contains color setting and image parameter information.
Bundled Accessories
Bundled Accessories