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Manufacturer URL: |
Manufacturer website
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Manufacturer website
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Predecessor: |
|
Pentax K-5
K-5 vs K-5 II
|
Successor: |
|
|
Model Number: |
A57 |
K-5 II |
Alternate Model Number(s): |
|
|
Camera Format: |
SLR |
Pro SLR |
Currently Manufactured: |
No |
No |
Retail Price: |
$799.99 |
$1449.95 |
Street Price: |
|
$699.00 |
Date Available: |
2012-04-15 |
2012-10-15 |
Tripod Mount: |
Yes |
Yes |
Weight: |
29.2 oz
(828 g)
includes batteries, kit lens
|
42.3 oz
(1,200 g)
includes batteries, kit lens
|
Size: |
5.2 x
3.8 x
3.2 in.
(132 x
98 x
81 mm)
|
5.2 x
3.8 x
2.9 in.
(131 x
97 x
73 mm)
|
Waterproof: |
No |
No |
Waterproof Depth: |
n/a |
n/a |
|
Sensor Type: |
CMOS |
CMOS |
Sensor Manufacturer: |
Sony |
Sony |
Effective Megapixels: |
16.1 |
16.3 |
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: |
4.82 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 |
Fixed |
Self-Cleaning: |
Yes |
Yes |
Sensor shift image stabilization: |
Yes |
Yes |
On-Sensor Phase Detect: |
No |
No |
DxO Sensor Score: |
75 |
82 |
DxO Color Depth Score (bits): |
23.4 |
23.8 |
DxO Dynamic Range Score (evs): |
13.0 |
14.1 |
DxO Maximum Effective ISO Score (iso): |
785 |
1,235 |
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) |
4928 x 3264
(16.1 MP,
Other), 3936 x 2624
(10.3 MP,
3:2), 3072 x 2048
(6.3 MP,
3:2), 1728 x 1152
(2.0 MP,
3:2) |
Image File Format: |
JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG |
JPEG (EXIF 2.21), 14-bit RAW (.PEF, .DNG) |
Continuous-mode frames/second: |
10.0 |
6.7 |
Can take movies: |
Yes |
Yes |
Movie Resolution: |
1920x1080 (60p(PS)/60i(FX)/60i(FH)/24p(FX)/24p(FH))
1440x1080 (30p)
640x480 (30p)
|
1920x1080 (25p)
1280x720 (30p/25p)
640x480 (30p/25p)
|
Movie File Format: |
AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) |
AVI (Motion JPEG) |
Composite Video Out: |
No |
Yes |
NTSC/PAL Switchable Video: |
n/a |
Yes |
Video Usable as Viewfinder: |
n/a |
No |
HD Video Out: |
Yes |
Yes |
HD Video Connection: |
HDMI |
HDMI |
|
Lens Mount: |
Sony Alpha (Minolta A) |
Pentax K (KA/KAF/KAF2) |
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 |
No |
Digital Zoom Values: |
Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom |
n/a |
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 |
TTL phase-difference: new SAFOX X AF sensor, 11 point (9 cross type focus point in the center) with light wavelength sensor; Auto 11 Point, Auto 5 Point, User-Selectable, Center |
Auto Focus Assist Light? |
Yes |
Yes |
Manual Focus: |
Yes |
Yes |
Viewfinder: |
EVF / LCD
|
Optical / LCD
|
Viewfinder Type: |
EVF type; 1.1cm (0.43") 1.44M/1.25M-dot LCD (480K/418K-dot time-multiplexed RGB), 100% coverage, 1.04x/0.97x magnification, 23.1/25.2mm eyepoint, -4 to +3 diopter |
SLR type; eye-level pentaprism, ~100% coverage, 0.92x mag., 21.7mm eyepoint, -2.5 to +1.5 diopter |
Focus Peaking: |
Yes |
No |
EVF Resolution: |
|
n/a
|
Viewfinder Magnification (35mm equivalent): |
0.69x |
0.61x |
Viewfinder Magnification (nominal/claimed): |
1.04x |
0.92x |
Eye-level Viewfinder: |
Yes |
Yes |
Rear Display: |
Yes |
Yes |
Rear Display Size (inches): |
3.0 |
3.0 |
Rear Display Resolution: |
921,600 dots
(307,200 px)
|
921,000 dots
(307,000 px)
|
Touchscreen: |
No |
No |
Articulating Screen: |
Yes |
No |
Tilt Swivel Screen: |
|
No |
Selfie Screen: |
|
No |
Max Playback Zoom: |
13.6x |
32.0x |
Top Deck Display: |
No |
Yes |
|
Maximum ISO (native): |
16000 |
12800 |
Minimum ISO (native): |
100 |
100 |
ISO Settings: |
Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) |
Auto, 100-12800, expandable 80 to 51200 |
Auto ISO Mode: |
Yes |
Yes |
White Balance Settings: |
Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) |
Auto, daylight, shade, cloudy, fluorescent (D, N, W, L), tungsten, flash, CTE, manual (up to 3 settings), Kelvin 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: 77-segment, Center-weighted, Spot |
Program Auto Exposure: |
Yes |
Yes |
Aperture Priority: |
Yes |
Yes |
Shutter Priority: |
Yes |
Yes |
Full Manual Exposure: |
Yes |
Yes |
Creative Exposure Modes: |
Portrait, SportsAction, Macro, Landscape, Sunset, Night scene, Hand-held Twilight (6 shot layering), Night Portrait; Sweep Panorama, 3D Sweep Panorama, Auto Portrait Framing, Picture Effect (Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature), Dynamic Range Optimizer (Off/Auto/Level), |
Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Toy Camera, Retro, High Contrast, Extract Color, Soft, Starburst, Fisheye, Custom |
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: |
|
No UHS support |
Other Memory: |
|
|
Dual Card Slots: |
No |
No |
RAW Capture Support: |
Yes |
Yes |
Uncompressed Format: |
RAW (12-bit ARW 2.3), RAW+JPEG |
14-bit RAW (.PEF, .DNG) |
Movie File Format: |
AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) |
AVI (Motion JPEG) |
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: |
No |
Yes |
Headphone Jack: |
No |
No |
External Connections: |
USB 2.0 High Speed |
USB 2.0 High Speed |
PictBridge Compliant: |
Yes |
No |
DPOF Compliant: |
Yes |
Yes |
Remote Control: |
Yes |
Yes |
Remote Control Type: |
Optional Wireless or Wired |
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 |
Mini (Type C) HMDI, DC input, wired remote, 3.5mm external stereo mic jack |
|
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
|
0.38 |
Cycle time for RAW shooting in single shot mode (seconds per frame): |
|
0.39 |
Buffer size for RAW shooting in single shot mode (frames): |
|
Unlimited |
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
|
0.39 |
Camera penalizes early shutter press? |
|
No |
JPEG shooting speed in burst mode (fps, max resolution): |
10.0 |
6.7 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): |
25 |
28 |
RAW shooting speed in burst mode (fps): |
|
6.7 |
Buffer size for RAW shooting in burst mode (frames): |
|
22 |
RAW+JPEG shooting speed in burst mode (fps): |
|
6.7 |
Buffer Size for RAW+JPEG shooting in burst mode (frames): |
|
22 |
Shutter lag (full AF, wide/mid): |
|
0.23 seconds |
Shutter lag (full AF, tele): |
|
|
Shutter lag (full AF, live view - DSLR): |
|
1.25 seconds |
Shutter lag (prefocused, live view - DSLR): |
|
0.403 seconds |
Shutter Lag (manual focus): |
|
0.204 seconds |
Shutter lag (full AF, with flash): |
|
0.25 seconds |
Shutter Lag (prefocused): |
|
0.091 seconds |
Shutter Lag (notes): |
|
OVF:
Full AF lag, wide-area mode = 0.242s
Live View:
Full AF lag, phase-detect = 1.269s
Full AF lag, contrast-detect = 1.250s
Prefocused = 0.403s |
Startup Time: |
|
0.6 seconds |
Play -> Record Time: |
|
0.3 seconds |
Flash cycle time, full power: |
|
2.1 seconds |
Battery Life, Stills (CIPA Rating Monitor/Live View): |
|
|
Battery Life, Still (CIPA Rating OVF/EVF): |
550 shots |
740 shots |
Battery Life, Video: |
|
|
Battery Form Factor: |
Proprietary |
Proprietary D-LI90; optional D-BG4 Battery Grip |
Usable Battery Types: |
NP-FM500H Lithium-ion rechargeable |
Lithium-ion rechargeable |
Batteries Included: |
1 x Proprietary NP-FM500H 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 |
Yes |
Internal Charging Supported: |
No |
No |
Included Software: |
Sony Software CD-ROM |
Software CD-ROM S-SW132 |
OS Compatibility: |
Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) |
|
Notes & Features: |
SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4.5 EV correction), Full HD 1080p60 Video, Up to 12 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, New Auto Portrait Framing, Tilting 921K-dot LCD, 1.44M-dot EVF. |
Essentially a K-5 with improved LCD, and updated SAFOX X AF sensor for better low-light autofocus performance. |