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Samsung GX-20 Review
Review Date: July 24th 2008
Author: Mark Goldstein
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Specifications
| Image Sensor |
Type |
23.4×15.5mm, CMOS |
| Effective Pixels |
Approx. 14.6 Mega-pixel |
| Total Pixels |
Approx. 15.1 Mega-pixel |
| Lens |
Mount |
PENTAX KAF2 bayonet mount |
| Usable Lens |
Schneider D-XENON, D-XENOGON, SAMSUNG lens
* PENTAX DSLR lenses are available
* KAF2, KAF, KA mount lenses |
| Viewfinder |
Type |
Pentaprism, Natural-Bright-Matte II Focusing Screen |
| Field of View |
95% |
| Magnification |
Approx. 0.95X (50mm F1.4 lens•∞) |
| Diopter Adjustment |
-2.5 ~ + 1.5m-1 |
| LCD Monitor |
Low-temperature polysilicon TFT color LCD Monitor, 2.7"
(Approx. 230K pixels), Brightness & Color control, Wide angle view |
| Preview |
Type |
Live View, Optical Preview, Digital Preview |
| Focusing |
Type |
TTL phase-matching 11-point AF |
| Modes |
AF Single, Continuous AF, Manual focus |
| Shutter |
Type |
Electronically controlled vertical-run focal plane shutter |
| Speed |
Auto：1/4000sec. ~ 30sec. (No step)
Manual：1/4000sec. ~ 30sec. (1/3EV or 1/2EV step)
Bulb |
Exposure
Control |
Metering System |
TTL open-aperture 16-segment
Metering : Multi, Center-weighted, Spot
Metering range : EV0 ~ 21 (ISO100·50mm F1.4) |
| Modes |
Auto, Program, Shutter Priority AE,
Aperture Priority AE, Sensitivity Priority AE, Shutter & Aperture
Priority, Manual, Bulb, Flash X-sync, Wireless Mode |
| Compensation |
±3 EV (1/2EV step) , ±2EV (1/3EV step) |
| AE Lock |
AEL |
| ISO |
Auto, 100, 200, 400, 800, 1600, 3200 (1/3EV or 1/2EV step)
6400 (Expanded)
Bulb : Max. 1600 |
| Flash |
Type |
Built-in retractable P-TTL pop-up flash |
| Modes |
Auto, Fill-in, Auto & Red eye,
Fill-in & Red eye, Front curtain synchro, Front curtain synchro
& Red eye, Rear curtain synchro |
| Guide Number |
13 (at ISO 100) |
| Angle of View Coverage |
28mm wide-angle (Equivalent to 35mm) |
| Sync. Speed |
1/180sec., Red-eye reduction (Control Range : -2 ~ +1 EV) |
| Recharging Time |
Approx. 3.6 sec. |
| External Flash |
SEF-36PZF, SEF-54PZF (optional) |
| Synchro |
Hot Shoe, X Synchro socket (Sync. Speed : 1/180sec.)
High Speed Synchro, Wireless Synchro (External Flash) |
| White Balance |
Modes |
Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Manual, Color Temperature (1, 2, 3) |
| Shooting |
Modes |
Auto, Program, Sensitivity Priority, Shutter Priority, Aperture Priority,
Shutter & Aperture Priority, Manual, Bulb, Flash X-sync., User mode |
| Live View |
Field of View : Approx. 97%
Magnification(4X, 8X), Grid display, AF Frame |
| Drive Modes |
Single, Continuous (Hi, Standard), Self-timer (12sec., 2sec.), Remote Control
Auto Bracket, Expand Bracket, Multi Exposure |
| Picture Wizard |
Standard, Vivid, Portrait, Landscape, Custom 1, Custom 2
* Parameter : ±4 (9-step) |
| Continuous |
JPEG : 3fps (Hi Continuous : up to 38 shots)
2.3fps (Standard Continuous : depends on memory capacity)
RAW：3fps (Hi Continuous : up to 16 shots)
2.3fps (Standard Continuous : up to 16 shots) |
| Shake Reduction |
Type |
Image Sensor Shift |
| Effective Range |
Max. 4EV (depends on lens and shooting conditions) |
| Dust Reduction |
Yes |
| Self-timer |
2sec., 12sec., Remote control, Remote control 3sec. Remote control Continuous (Compatible with Pentax Remote Control, Optional) |
| Storage |
Media |
SD (up to 4GB guaranteed), MMC (up to 2GB guaranteed),
SDHC (up to 8GB guaranteed) |
| File Format |
RAW (DNG), JPEG (DCF), EXIF 2.21, DPOF 1.1, PictBridge 1.0 |
| Image Size |
14.6M (4672×3104), 10M : 3872×2592, 6M : 3008×2000, 2M : 1824×1216 (JPEG)
14.6M : 4672×3104 (RAW) |
| Capacity (512MB) |
14.6M : RAW 21
14.6M : Super Fine (1)35, Super Fine(2)61, Fine 109, Normal 213
10M : Super Fine (1)52, Super Fine (2)87, Fine 153, Normal 319
6M : Super Fine (1)91, Super Fine (2)147, Fine 254, Normal 474
2M : Super Fine (1)239, Super Fine (2)381, Fine 639, Normal 1060
※
These figures are measured under Samsung's standard conditions and may
vary depending on shooting conditions and camera settings |
| Image Play |
Type |
Single image, Thumbnail, Rotate, Slide Show (4-type Transition Effect), Histogram, Magnification (up to 32X) |
| Editing |
Rotate, Digital Filter, Picture Wizard |
| Digital Filter |
B&W (4 types), Sepia (3 types),
Color Selection (18 types), Color (6 types), Soft (3 steps),
Illustration, HDR (3 steps), Slim (±8 steps), Brightness (±8 steps) |
| Interface |
Digital Output : USB 2.0 (HI-SPEED) |
| Video Output : NTSC, PAL (user selectable) |
| DC Power Input Connector : DC 8.3V, 2A (100 ~ 240V) |
| External Release Socket |
| X Synchro Socket for External Flash |
| Power Source |
Dedicated battery |
Lithium ion battery : SLB-1674, Charger : SBC-L6 |
| Battery life |
Approx. 500 min./1,000 shots (without
flash on), Approx. 430 min./860 shots (with flash 50% on), Approx. 400
min./800shots (with flash 100% on) |
| Dimensions (WxHxD) |
142mm×101mm×71.5mm (excluding the projecting parts of the camera) |
| Weight |
727g (Body only) , 806g (Memory card & Battery included) |
| Operating Temperature |
0 ~ 40 °C |
| Operating Humidity |
5 ~ 85% |
| Software |
Camera Driver |
Storage Driver (Windows 2000/ME/XP/VISTA, Mac OS 10.2 or later) |
| Application |
Samsung Master, Samsung RAW Converter 2.0, Adobe Reader |
| For Windows |
PC with processor better than Pentium III 450MHz
(Pentium 800MHz recommended)
Windows 2000/ME/XP/Vista
Minimum 256MB RAM (512MB recommended)
250MB of available hard disk space (1GB recommended)
USB port
CD-ROM drive
1024x768 pixels, 16-bit color display compatible monitor
(24-bit color display recommended)
* Samsung Raw Converter 2.0
Pentium 4 or later is recommended
Windows XP service pack 2/Vista 32bit (64-bit OS is unsupported)
Minimum 1GB RAM
1024x768 pixels, 24-bit color display compatible monitor |
| For Machintosh |
Power Mac G4 or later
Mac OS 10.2 or later
Minimum 256MB RAM
250MB of available hard-disk space
USB port
CD-ROM drive |
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 PhotographyBLOG
is a member of the DIWA
organisation. Our test results for the Samsung GX-20 have been submitted to DIWA
for comparison with test results for different samples of
the same camera model supplied by other DIWA
member sites.
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