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Manufacturer URL: |
Manufacturer website
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Manufacturer website
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Predecessor: |
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Successor: |
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Pentax K-3 II
K-3 vs K-3 II
|
Model Number: |
A37 |
K-3 |
Alternate Model Number(s): |
|
|
Camera Format: |
SLR |
Pro SLR |
Currently Manufactured: |
No |
No |
Retail Price: |
$599.99 |
$1149.95 |
Street Price: |
|
$699.00 |
Date Available: |
2012-06-15 |
2013-11-01 |
Tripod Mount: |
Yes |
Yes |
Weight: |
25.6 oz
(726 g)
includes batteries, kit lens
|
43.7 oz
(1,240 g)
includes batteries, kit lens
|
Size: |
4.9 x
3.6 x
3.3 in.
(124 x
92 x
85 mm)
|
5.2 x
3.9 x
3.1 in.
(132 x
100 x
77 mm)
|
Waterproof: |
No |
No |
Waterproof Depth: |
n/a |
n/a |
|
Sensor Type: |
CMOS |
CMOS |
Sensor Manufacturer: |
Sony |
|
Effective Megapixels: |
16.1 |
24.4 |
Sensor Format: |
APS-C |
APS-C |
Sensor size: |
369.72mm2 (23.7mm x 15.6mm) |
366.6mm2 (23.50mm x 15.60mm) |
Approximate Pixel Pitch: |
4.82 microns |
3.91 microns |
Focal Length Multiplier: |
1.5x |
1.5x |
Aspect Ratio: |
3:2 |
3:2 |
Color Filter Type: |
RGBG |
RGBG |
Anti Aliasing Filter: |
Fixed |
Optional |
Self-Cleaning: |
Yes |
Yes |
Sensor shift image stabilization: |
Yes |
Yes |
On-Sensor Phase Detect: |
No |
No |
DxO Sensor Score: |
75 |
80 |
DxO Color Depth Score (bits): |
23.3 |
23.7 |
DxO Dynamic Range Score (evs): |
12.9 |
13.4 |
DxO Maximum Effective ISO Score (iso): |
799 |
1,216 |
Image Resolution: |
4912 x 3264
(16.0 MP,
3:2), 4912 x 2760
(13.6 MP,
16:9), 3568 x 2368
(8.4 MP,
Other), 3568 x 2000
(7.1 MP,
16:9), 2448 x 1624
(4.0 MP,
Other), 2448 x 1376
(3.4 MP,
16:9), 12416 x 1856
(23.0 MP,
Other), 5536 x 2160
(12.0 MP,
Other), 8192 x 1856
(15.2 MP,
Other), 3872 x 2160
(8.4 MP,
Other), 7152 x 1080
(7.7 MP,
Other), 4912 x 1080
(5.3 MP,
Other), 1920 x 1080
(2.1 MP,
16:9) |
6016 x 4000
(24.1 MP,
3:2), 4608 x 3072
(14.2 MP,
3:2), 3072 x 2048
(6.3 MP,
3:2), 1920 x 1280
(2.5 MP,
3:2) |
Image File Format: |
JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG |
JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG |
Continuous-mode frames/second: |
5.5 |
7.1 |
Can take movies: |
Yes |
Yes |
Movie Resolution: |
1920x1080 (60i(FH)/24p(FX)/24p(FH))
1440x1080 (30p)
640x480 (30p)
|
1920x1080 (60i/50i/30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p)
|
Movie File Format: |
AVCHD 1.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) |
MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record |
Composite Video Out: |
No |
No |
NTSC/PAL Switchable Video: |
n/a |
n/a |
Video Usable as Viewfinder: |
n/a |
n/a |
HD Video Out: |
Yes |
Yes |
HD Video Connection: |
HDMI |
HDMI |
|
Lens Mount: |
Sony Alpha (Minolta A) |
Pentax K (KA/KAF/KAF2/3) |
Lens: |
Sony 18-55mm f/3.5-5.6 DT SAM |
smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR |
Focal Length (35mm equivalent): |
27 -
83mm
|
27 -
203mm
|
Focal Length (actual): |
18 -
55mm
|
18 -
135mm
|
Zoom Ratio: |
3.06x |
7.50x |
Aperture Range: |
f/3.5 - 22 (W), f/5.6 - 36 (T) |
f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) |
Integrated ND Filter: |
No |
No |
Normal Focus Range: |
25 cm to Infinity
9.8 in to Infinity
|
40 cm to Infinity
15.7 in to Infinity
|
Macro Focus Range: |
|
|
Filter Thread: |
55.0mm |
62.0mm |
Thread Type: |
n/a |
n/a |
Optical Image Stabilization: |
No |
No |
Digital Zoom: |
Yes |
|
Digital Zoom Values: |
Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom |
|
Auto Focus: |
Yes |
Yes |
Auto Focus Type: |
Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking |
SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) |
Auto Focus Assist Light? |
Yes |
Yes |
Manual Focus: |
Yes |
Yes |
Viewfinder: |
EVF / LCD
|
Optical / LCD
|
Viewfinder Type: |
EVF type; 1.1cm (0.43") 1.15M-dot LCD (380K-dot time-multiplexed RGB), 100% coverage, 1.1x magnification, 19mm eyepoint, -4 to +4 diopter |
SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter |
Focus Peaking: |
Yes |
Yes |
EVF Resolution: |
|
n/a
|
Viewfinder Magnification (35mm equivalent): |
0.73x |
0.63x |
Viewfinder Magnification (nominal/claimed): |
1.10x |
0.95x |
Eye-level Viewfinder: |
Yes |
Yes |
Rear Display: |
Yes |
Yes |
Rear Display Size (inches): |
2.6 |
3.2 |
Rear Display Resolution: |
230,400 dots
(76,800 px)
|
1,036,800 dots
(345,600 px)
|
Touchscreen: |
No |
No |
Articulating Screen: |
Yes |
No |
Tilt Swivel Screen: |
|
No |
Selfie Screen: |
|
No |
Max Playback Zoom: |
11.8x |
16.0x |
Top Deck Display: |
No |
Yes |
|
Maximum ISO (native): |
16000 |
51200 |
Minimum ISO (native): |
100 |
100 |
ISO Settings: |
Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000; (Multi-frame NR mode up to ISO 25600) |
Auto, 100-51200 (1, 1/2 or 1/3 EV steps) |
Auto ISO Mode: |
Yes |
Yes |
White Balance Settings: |
Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm, Cool, Day, Daylight), Flash, Custom, Color Temp/Filter (2500-9900K with 15-step Magenta/Green compensation) |
Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings) |
Shutter Speed Range: |
1/4000 - 30 sec |
1/8000 - 30 sec |
Bulb Mode: |
Yes |
Yes |
Exposure Compensation: |
+/- 3.0EV
in 0.3EV steps
|
+/- 5.0EV
in 0.3EV steps
|
Metering Modes: |
1200-zone Evaluative, Center-weighted, Spot |
TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot |
Program Auto Exposure: |
Yes |
Yes |
Aperture Priority: |
Yes |
Yes |
Shutter Priority: |
Yes |
Yes |
Full Manual Exposure: |
Yes |
Yes |
Creative Exposure Modes: |
Sweep Panorama, 3D Sweep Panorama, Portrait, SportsAction, Macro, Landscape, Sunset, Night view, Hand-held Twilight (6 shot layering), Night Portrait, Picture Effect (Posterization (color/B/W), Pop Color, Retro Photo, Partial color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal/Cool), Soft High-key, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Miniature (7 Settings)) |
Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3. |
Self Timer: |
2 or 10 seconds |
2 or 12 seconds |
Time Lapse (intervalometer): |
|
Yes |
High Resolution Composite: |
No |
No |
Built-in Flash: |
Yes |
Yes |
Flash Modes: |
Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off |
P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. |
Flash Guide Number (ISO 100): |
10.0 m /
32.8 ft.
|
13.0 m /
42.7 ft.
|
Flash Range Description: |
Lens dependent |
Depends on lens |
Max Flash Sync: |
1/160 |
1/180 |
Flash Exposure Compensation: |
+/- 2.0 EV
in 0.3EV steps
|
-2 to +1 EV
in 0.5EV steps
|
External Flash Connection: |
Hot shoe |
Hot Shoe, PC Sync socket |
Built-In Wireless Flash Control: |
|
Full TTL exposure |
Usable Memory Types: |
MS PRO Duo / SD / SDHC / SDXC |
SD / SDHC / SDXC |
UHS Support: |
|
UHS-I |
Other Memory: |
|
|
Dual Card Slots: |
No |
Yes |
RAW Capture Support: |
Yes |
Yes |
Uncompressed Format: |
RAW (12-bit ARW 2.3), RAW+JPEG |
14-bit RAW (.PEF, .DNG), RAW+JPEG |
Movie File Format: |
AVCHD 1.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) |
MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record |
Included Memory: |
|
No memory included |
Included Memory Type: |
|
|
Built-In Wi-Fi: |
No |
No |
NFC: |
No |
No |
Bluetooth: |
No |
No |
Built-In GPS: |
No |
No |
Microphone Jack: |
Yes |
Yes |
Headphone Jack: |
No |
Yes |
External Connections: |
USB 2.0 High Speed |
USB 3.0 Super Speed |
PictBridge Compliant: |
Yes |
No |
DPOF Compliant: |
Yes |
Yes |
Remote Control: |
Yes |
Yes |
Remote Control Type: |
Optional Wired (RM-S1AM/RM-L1AM) |
Optional Wired or IR |
Connections (extended): |
Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input |
Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack |
|
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
0.47 |
0.79 |
Cycle time for RAW shooting in single shot mode (seconds per frame): |
0.45 |
0.64 |
Buffer size for RAW shooting in single shot mode (frames): |
2 |
Unlimited |
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
|
0.69 |
Camera penalizes early shutter press? |
No |
No |
JPEG shooting speed in burst mode (fps, max resolution): |
5.5 |
7.1 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): |
10 |
75 |
RAW shooting speed in burst mode (fps): |
|
7.1 |
Buffer size for RAW shooting in burst mode (frames): |
|
24 |
RAW+JPEG shooting speed in burst mode (fps): |
|
7.1 |
Buffer Size for RAW+JPEG shooting in burst mode (frames): |
|
25 |
Shutter lag (full AF, wide/mid): |
0.11 seconds |
0.14 seconds |
Shutter lag (full AF, tele): |
|
|
Shutter lag (full AF, live view - DSLR): |
|
1.01 seconds |
Shutter lag (prefocused, live view - DSLR): |
|
0.226 seconds |
Shutter Lag (manual focus): |
0.080 seconds |
0.097 seconds |
Shutter lag (full AF, with flash): |
0.32 seconds |
0.33 seconds |
Shutter Lag (prefocused): |
0.057 seconds |
0.096 seconds |
Shutter Lag (notes): |
Full AF lag, Wide-area mode = 0.124s |
Full AF lag, Wide-area mode, OVF = 0.157s
Live View:
Center mode AF lag = 1.014s
Wide-area mode AF lag = 1.005s
Prefocused = 0.226s |
Startup Time: |
0.9 seconds |
0.9 seconds |
Play -> Record Time: |
0.9 seconds |
0.6 seconds |
Flash cycle time, full power: |
2.5 seconds |
2.3 seconds |
Battery Life, Stills (CIPA Rating Monitor/Live View): |
|
|
Battery Life, Still (CIPA Rating OVF/EVF): |
450 shots |
560 shots |
Battery Life, Video: |
|
|
Battery Form Factor: |
Proprietary |
Proprietary D-LI90 |
Usable Battery Types: |
NP-FW50 Lithium-ion rechargeable |
Lithium-ion rechargeable |
Batteries Included: |
1 x Proprietary NP-FW50 Lithium-ion rechargeable
|
1 x Proprietary D-LI90 Lithium-ion rechargeable
|
Battery Charger Included (dedicated charger or AC/USB adapter): |
Yes |
Yes |
Dedicated Battery Charger Included: |
|
Yes |
Internal Charging Supported: |
|
No |
Included Software: |
Sony Software CD-ROM |
Software CD-ROM S-SW140 |
OS Compatibility: |
Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) |
|
Notes & Features: |
SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4 EV correction), Full HD 1080i60 Video, Up to 7 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, Auto Portrait Framing. |
Image stabilization system also acts as a selectable AA filter, 8.3 fps full-res burst mode, new 27-point AF system, new 86,000 pixel RGB metering system, Full HD video up to 60i with H.264 encoding, dual SD card slots, freeze-proof, dust-proof, weather-resistant magnesium alloy construction, USB 3.0 port. |