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Manufacturer URL: |
Manufacturer website
|
Manufacturer website
|
Predecessor: |
|
Ricoh GR
GR vs GR II
|
Successor: |
|
Ricoh GR III
GR II vs GR III
|
Model Number: |
GX-20 |
GR II |
Alternate Model Number(s): |
|
|
Camera Format: |
Pro SLR |
Compact |
Currently Manufactured: |
No |
Yes |
Retail Price: |
$1399.95 |
$699.95 |
Street Price: |
|
$538.08 |
Date Available: |
2008-03-30 |
2015-07-15 |
Tripod Mount: |
Yes |
Yes |
Weight: |
25.2 oz
(714 g)
|
8.7 oz
(248 g)
includes batteries
|
Size: |
5.6 x
4.0 x
2.8 in.
(142 x
102 x
70 mm)
|
4.6 x
2.5 x
1.4 in.
(117 x
63 x
35 mm)
|
Waterproof: |
No |
No |
Waterproof Depth: |
n/a |
n/a |
|
Sensor Type: |
CMOS |
CMOS |
Sensor Manufacturer: |
|
|
Effective Megapixels: |
14.6 |
16.2 |
Sensor Format: |
APS-C |
APS-C |
Sensor size: |
369.72mm2 (23.7mm x 15.6mm) |
369.72mm2 (23.7mm x 15.6mm) |
Approximate Pixel Pitch: |
5.07 microns |
4.81 microns |
Focal Length Multiplier: |
1.5x |
1.5x |
Aspect Ratio: |
3:2 |
3:2 |
Color Filter Type: |
RGBG |
RGBG |
Anti Aliasing Filter: |
Fixed |
None |
Self-Cleaning: |
Yes |
Yes |
Sensor shift image stabilization: |
Yes |
No |
On-Sensor Phase Detect: |
No |
No |
DxO Sensor Score: |
68 |
80 |
DxO Color Depth Score (bits): |
23.1 |
23.6 |
DxO Dynamic Range Score (evs): |
11.2 |
13.7 |
DxO Maximum Effective ISO Score (iso): |
714 |
1,078 |
Image Resolution: |
4672 x 3104
(14.5 MP,
Other), 3872 x 2592
(10.0 MP,
Other), 3008 x 2000
(6.0 MP,
3:2), 1824 x 1216
(2.2 MP,
3:2) |
4928 x 3264
(16.1 MP,
Other), 4352 x 3264
(14.2 MP,
4:3), 3246 x 3264
(10.6 MP,
Other), 3936 x 2608
(10.3 MP,
Other), 3488 x 2608
(9.1 MP,
Other), 2608 x 2608
(6.8 MP,
1:1), 2912 x 1936
(5.6 MP,
3:2), 2592 x 1936
(5.0 MP,
Other), 1936 x 1936
(3.7 MP,
1:1), 1280 x 864
(1.1 MP,
Other), 1152 x 864
(1.0 MP,
4:3), 864 x 864
(0.7 MP,
1:1), 1920 x 1080
(2.1 MP,
16:9), 1280 x 720
(0.9 MP,
16:9), 640 x 480
(0.3 MP,
4:3) |
Image File Format: |
JPEG (EXIF 2.21), RAW (.PEF, .DNG), 14-bit |
JPEG (EXIF 2.3), 12-bit RAW (DNG), RAW+JPEG |
Continuous-mode frames/second: |
n/a |
4.0 |
Can take movies: |
No |
Yes |
Movie Resolution: |
|
1920x1080 (30p/25p/24p)
1280x720 (60p/50p/30p)
640x480 (30p/25p/24p)
|
Movie File Format: |
|
MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM) |
Composite Video Out: |
Yes |
Yes |
NTSC/PAL Switchable Video: |
Yes |
Yes |
Video Usable as Viewfinder: |
No |
|
HD Video Out: |
No |
Yes |
HD Video Connection: |
|
HDMI |
|
Lens Mount: |
Pentax K (KA/KAF/KAF2) |
n/a |
Lens: |
n/a |
GR lens, 7 elements in 5 groups with 2 aspheric elements |
Focal Length (35mm equivalent): |
|
28mm |
Focal Length (actual): |
|
18.3mm |
Zoom Ratio: |
|
1.00x |
Aperture Range: |
|
f/2.8 - f/16, with 9-bladed diaphragm |
Integrated ND Filter: |
No |
Yes |
Normal Focus Range: |
|
30 cm to Infinity
11.8 in to Infinity
|
Macro Focus Range: |
|
10 cm to Infinity
3.9 in to Infinity
|
Filter Thread: |
n/a |
43.0mm |
Thread Type: |
n/a |
(Hood & Adapter GH-2 required) |
Optical Image Stabilization: |
No |
No |
Digital Zoom: |
No |
Yes |
Digital Zoom Values: |
n/a |
35mm eq. crop mode |
Auto Focus: |
Yes |
Yes |
Auto Focus Type: |
11-point TTL phase-matching (SAFOX VIII) |
Contrast Detection: Multi AF, Spot AF, Pinpoint AF, Subject-tracking AF, MF, Snap, infinity, Face recognition priority (only in Auto mode); Continuous Focus point adjustment: Auto, User-Selectable, Center |
Auto Focus Assist Light? |
Yes |
Yes |
Manual Focus: |
Yes |
Yes |
Viewfinder: |
Optical / LCD
|
No / LCD
|
Viewfinder Type: |
SLR type; eye-level pentaprism |
Optional hotshoe mounted optical viewfinders |
Focus Peaking: |
No |
No |
EVF Resolution: |
n/a
|
n/a
|
Viewfinder Magnification (35mm equivalent): |
|
|
Viewfinder Magnification (nominal/claimed): |
|
|
Eye-level Viewfinder: |
Yes |
No |
Rear Display: |
Yes |
Yes |
Rear Display Size (inches): |
2.7 |
3.0 |
Rear Display Resolution: |
230,000 dots
|
1,228,800 dots
(307,200 px)
|
Touchscreen: |
No |
No |
Articulating Screen: |
No |
No |
Tilt Swivel Screen: |
No |
No |
Selfie Screen: |
No |
No |
Max Playback Zoom: |
32.0x |
16.0x |
Top Deck Display: |
Yes |
No |
|
Maximum ISO (native): |
3200 |
25600 |
Minimum ISO (native): |
100 |
100 |
ISO Settings: |
Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) |
Auto, Auto-Hi, Manual ISO 100 - 25,600 |
Auto ISO Mode: |
Yes |
Yes |
White Balance Settings: |
Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature |
Auto, Multi-P Auto, Outdoors, Shade, Cloudy, Incandescent 1, Incandescent 2, Daylight FL, Natural White FL, Cool White FL, Warm White FL, CTE, CT, Manual |
Shutter Speed Range: |
1/4000 - 30 sec |
1/4000 - 300 sec |
Bulb Mode: |
Yes |
Yes |
Exposure Compensation: |
+/- 3.0EV
in 0.3EV steps
|
+/- 4.0EV
in 0.3EV steps
|
Metering Modes: |
TTL open-aperture: 16-segment, Center-weighted, Spot |
Multi (484 segments), Center-weighted, Spot |
Program Auto Exposure: |
Yes |
Yes |
Aperture Priority: |
Yes |
Yes |
Shutter Priority: |
Yes |
Yes |
Full Manual Exposure: |
Yes |
Yes |
Creative Exposure Modes: |
Sensitivity Priority, Shutter and Aperture Priority |
Effects modes (B&W, B&W (TE), High Contrast B&W, Cross-Process, Positive Film, Bleach-Bypass, Retro, Miniaturize, High-Key, Shift Crop, Clarity, Brilliance, Slight, Portrait, Vibrant and HDR Tone), Multiple Exposure (2-4 shots), Dynamic Range Correction. |
Self Timer: |
2 or 12 seconds |
2, 12 seconds |
Time Lapse (intervalometer): |
|
|
High Resolution Composite: |
No |
No |
Built-in Flash: |
Yes |
Yes |
Flash Modes: |
On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless |
Auto, Flash On, Slow-Sync, Manual, Auto Red-Eye Flash, Flash On Red-Eye, Slow-Sync Red-Eye |
Flash Guide Number (ISO 100): |
n/a |
5.4 |
Flash Range Description: |
Depends on lens |
Auto ISO: 20cm - 3.0m |
Max Flash Sync: |
1/180 |
1/4000 (ext: 1/400) |
Flash Exposure Compensation: |
|
+/- 2.0 EV
in 0.3EV steps
|
External Flash Connection: |
Hot Shoe, X-Sync Socket |
Hot Shoe (Compatible with P-TTL Auto Flash) |
Built-In Wireless Flash Control: |
|
Full TTL exposure |
Usable Memory Types: |
SD / SDHC |
SD / SDHC / SDXC |
UHS Support: |
|
UHS-I |
Other Memory: |
|
|
Dual Card Slots: |
No |
No |
RAW Capture Support: |
Yes |
Yes |
Uncompressed Format: |
RAW (.PEF, .DNG), 14-bit |
12-bit RAW (DNG), RAW+JPEG |
Movie File Format: |
|
MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM) |
Included Memory: |
No memory included |
54.0 MB |
Included Memory Type: |
|
Internal |
Built-In Wi-Fi: |
No |
Yes |
NFC: |
No |
Yes |
Bluetooth: |
No |
No |
Built-In GPS: |
No |
No |
Microphone Jack: |
No |
No |
Headphone Jack: |
No |
No |
External Connections: |
USB 2.0 High Speed |
USB 2.0 High Speed,WiFi |
PictBridge Compliant: |
Yes |
No |
DPOF Compliant: |
Yes |
Yes |
Remote Control: |
Yes |
Yes |
Remote Control Type: |
Wired or IR |
Optional CA-2 wired release (via USB), or via Wi-Fi |
Connections (extended): |
DC input, wired remote |
Micro HMDI (Type-D) |
|
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
|
<0.3 |
Cycle time for RAW shooting in single shot mode (seconds per frame): |
|
|
Buffer size for RAW shooting in single shot mode (frames): |
|
|
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
|
0.45 |
Camera penalizes early shutter press? |
|
No |
JPEG shooting speed in burst mode (fps, max resolution): |
|
4.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): |
|
Unlimited |
RAW shooting speed in burst mode (fps): |
|
6.1 |
Buffer size for RAW shooting in burst mode (frames): |
|
10 |
RAW+JPEG shooting speed in burst mode (fps): |
|
6.1 |
Buffer Size for RAW+JPEG shooting in burst mode (frames): |
|
10 |
Shutter lag (full AF, wide/mid): |
|
0.29 seconds |
Shutter lag (full AF, tele): |
|
|
Shutter lag (full AF, live view - DSLR): |
|
|
Shutter lag (prefocused, live view - DSLR): |
|
|
Shutter Lag (manual focus): |
|
0.086 seconds |
Shutter lag (full AF, with flash): |
|
0.45 seconds |
Shutter Lag (prefocused): |
|
0.026 seconds |
Shutter Lag (notes): |
|
|
Startup Time: |
|
1.3 seconds |
Play -> Record Time: |
|
0.5 seconds |
Flash cycle time, full power: |
|
1.4 seconds |
Battery Life, Stills (CIPA Rating Monitor/Live View): |
|
320 shots |
Battery Life, Still (CIPA Rating OVF/EVF): |
|
|
Battery Life, Video: |
|
|
Battery Form Factor: |
Proprietary |
Proprietary DB-65 |
Usable Battery Types: |
Lithium-ion rechargeable |
Lithium-ion rechargeable |
Batteries Included: |
1 x Proprietary Lithium-ion rechargeable
|
1 x Proprietary DB-65 Lithium-ion rechargeable
|
Battery Charger Included (dedicated charger or AC/USB adapter): |
Yes |
Yes |
Dedicated Battery Charger Included: |
|
No |
Internal Charging Supported: |
|
Yes |
Included Software: |
|
Software CD-ROM |
OS Compatibility: |
|
|
Notes & Features: |
|
Updates compared to GR include built-in Wi-Fi with NFC, improved RAW burst buffer depth (10 frames vs 4), 6 new effect modes, max shutter speed now 1/2500s vs 1/2000s at F2.8, CTE white balance setting, C-AF in movie mode, pixel mapping, wireless flash support, etc. |