| Prices: |
Compare Prices
|
Compare Prices
|
| Manufacturer URL: |
Manufacturer website
|
Manufacturer website
|
| Predecessor: |
|
|
| Successor: |
Sony A7S II
A7S vs A7S II
|
|
| Model Number: |
A7S |
K-S2 |
| Alternate Model Number(s): |
ILCE-7S |
|
| Camera Format: |
Compact System Camera |
SLR |
| Currently Manufactured: |
Yes |
No |
| Retail Price: |
$2499.99 |
$799.95 |
| Street Price: |
$1,998.00 |
$499.00 |
| Date Available: |
2014-07-08 |
2015-02-15 |
| Tripod Mount: |
Yes |
Yes |
| Weight: |
17.9 oz
(507 g)
includes batteries
|
30.3 oz
(859 g)
includes batteries, kit lens
|
| Size: |
5.0 x
3.7 x
1.9 in.
(127 x
94 x
48 mm)
|
4.8 x
3.6 x
2.6 in.
(122 x
91 x
65 mm)
|
| Waterproof: |
No |
No |
| Waterproof Depth: |
n/a |
n/a |
|
|
| Sensor Type: |
CMOS |
CMOS |
| Sensor Manufacturer: |
Sony |
|
| Effective Megapixels: |
12.2 |
20.1 |
| Sensor Format: |
35mm |
APS-C |
| Sensor size: |
847.28mm2 (35.60mm x 23.80mm) |
366.6mm2 (23.50mm x 15.60mm) |
| Approximate Pixel Pitch: |
8.40 microns |
4.29 microns |
| Focal Length Multiplier: |
1.0x |
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: |
No |
Yes |
| On-Sensor Phase Detect: |
No |
No |
| DxO Sensor Score: |
87 |
|
| DxO Color Depth Score (bits): |
23.9 |
|
| DxO Dynamic Range Score (evs): |
13.2 |
|
| DxO Maximum Effective ISO Score (iso): |
3,702 |
|
| Image Resolution: |
4240 x 2832
(12.0 MP,
3:2),
4240 x 2384
(10.1 MP,
16:9),
2768 x 1848
(5.1 MP,
3:2),
2768 x 1560
(4.3 MP,
Other),
2128 x 1416
(3.0 MP,
3:2),
2128 x 1200
(2.6 MP,
Other),
12416 x 1856
(23.0 MP,
Other),
8192 x 1856
(15.2 MP,
Other),
2160 x 5536
(12.0 MP,
Other),
2160 x 3872
(8.4 MP,
Other) |
5472 x 3648
(20.0 MP,
3:2),
4224 x 2816
(11.9 MP,
3:2),
3072 x 2048
(6.3 MP,
3:2),
1920 x 1280
(2.5 MP,
3:2) |
| Image File Format: |
JPEG, RAW (14-bit ARW 2.3), RAW+JPEG |
JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) |
| Continuous-mode frames/second: |
5.0 |
5.2 |
| Can take movies: |
Yes |
Yes |
| Movie Resolution: |
1920x1080 (60p/60i/50p/50i/30p/25p/24p)
1280x720 (120p/100p)
1440x1080 (30p/25p)
640x480 (30p/25p)
|
1920x1080 (30p/25p/24p)
1280x720 (60p/50p)
|
| Movie File Format: |
XAVC-S, AVCHD 2.0, MP4 with stereo sound |
MPEG-4 AVC/H.264 (MOV) |
| 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 E |
Pentax K (KA/KAF/KAF2/3) |
| Lens: |
n/a |
smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups |
| Focal Length (35mm equivalent): |
|
27 -
75mm
|
| Focal Length (actual): |
|
18 -
50mm
|
| Zoom Ratio: |
|
2.78x |
| Aperture Range: |
|
f/4 - f/22 (wide) / f/5.6 - f/32 (tele) |
| Integrated ND Filter: |
No |
No |
| Normal Focus Range: |
|
30 cm to Infinity
11.8 in to Infinity
|
| Macro Focus Range: |
|
|
| Filter Thread: |
n/a |
58.0mm |
| Thread Type: |
n/a |
n/a |
| Optical Image Stabilization: |
No |
No |
| Digital Zoom: |
Yes |
No |
| Digital Zoom Values: |
Up to 4x; 2x Clear Image Digital Zoom |
n/a |
| Auto Focus: |
Yes |
Yes |
| Auto Focus Type: |
25-point contrast-detect AF: Wide (25 points), Center-weighted, Flexible Spot (S/M/L), Zone |
SAFOX 11 TTL phase-matching: 11 points (9 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: 0.5-inch (1.30cm) 2.4M-dot XGA color OLED, 100% coverage, 0.71x magnification, -4.0 to +3.0 diopter |
SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter |
| Focus Peaking: |
Yes |
Yes |
| EVF Resolution: |
2,359,296 dots (786,432 pixels)
|
n/a
|
| Viewfinder Magnification (35mm equivalent): |
0.71x |
0.63x |
| Viewfinder Magnification (nominal/claimed): |
0.71x |
0.95x |
| 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)
|
921,600 dots
(230,400 px)
|
| Touchscreen: |
No |
No |
| Articulating Screen: |
Yes |
Yes |
| Tilt Swivel Screen: |
No |
Yes |
| Selfie Screen: |
No |
Yes |
| Max Playback Zoom: |
13.3x |
16.0x |
| Top Deck Display: |
No |
No |
|
|
| Maximum ISO (native): |
102400 |
51200 |
| Minimum ISO (native): |
100 |
100 |
| ISO Settings: |
Auto, 100 - 102,400, expandable to 50 - 409,600 |
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 (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater |
Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature |
| Shutter Speed Range: |
1/8000 - 30 sec |
1/6000 - 30 sec |
| Bulb Mode: |
Yes |
Yes |
| Exposure Compensation: |
+/- 5.0EV
in 0.3EV steps
|
+/- 5.0EV
in 0.3EV steps
|
| Metering Modes: |
1200-zone Evaluative Multi-segment, Center-weighted, Spot |
TTL open-aperture: 77 segment Multi, Center-weighted, Spot |
| Program Auto Exposure: |
Yes |
Yes |
| Aperture Priority: |
Yes |
Yes |
| Shutter Priority: |
Yes |
Yes |
| Full Manual Exposure: |
Yes |
Yes |
| Creative Exposure Modes: |
Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; Picture Effect: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R, G, B, Y), High Contrast Monochrome, Toy Camera, Soft Highkey, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration; Dynamic Range Optimizer (Auto/Level (1-5)), Auto High Dynamic Range: Auto Exposure Difference, Exposure Difference Level (1.0-6.0 EV, 1.0 EV step) |
Shutter & Aperture Priority (TAv), Sensitivity Priority, Advanced HDR, Scene Mode (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; Dynamic range adjustment: Highlight, shadow |
| Self Timer: |
2 or 10; 3/5 shots after 10 seconds |
2 or 12 seconds |
| Time Lapse (intervalometer): |
|
Yes |
| High Resolution Composite: |
No |
No |
| Built-in Flash: |
No |
Yes |
| Flash Modes: |
Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) |
| Flash Guide Number (ISO 100): |
n/a |
12.0 m /
39.4 ft.
|
| Flash Range Description: |
n/a |
GN=12 (m, ISO 100); range depends on lens aperture |
| Max Flash Sync: |
1/250 |
1/180 |
| Flash Exposure Compensation: |
+/- 3.0 EV
in 0.3EV steps
|
-2 to +1 EV
in 0.5EV steps
|
| External Flash Connection: |
Multi Interface Hot shoe |
Hot Shoe |
| Built-In Wireless Flash Control: |
|
No |
| Usable Memory Types: |
MS PRO Duo / SD / SDHC / SDXC |
SD / SDHC / SDXC |
| UHS Support: |
UHS-I |
UHS-I |
| Other Memory: |
|
|
| Dual Card Slots: |
No |
No |
| RAW Capture Support: |
Yes |
Yes |
| Uncompressed Format: |
RAW (14-bit ARW 2.3), RAW+JPEG |
12-bit RAW (.PEF, .DNG) |
| Movie File Format: |
XAVC-S, AVCHD 2.0, MP4 with stereo sound |
MPEG-4 AVC/H.264 (MOV) |
| Included Memory: |
No memory included |
No memory included |
| Included Memory Type: |
|
|
| Built-In Wi-Fi: |
Yes |
Yes |
| NFC: |
Yes |
Yes |
| Bluetooth: |
No |
No |
| Built-In GPS: |
No |
No |
| Microphone Jack: |
Yes |
Yes |
| Headphone Jack: |
Yes |
No |
| External Connections: |
USB 2.0 High Speed,WiFi |
USB 2.0 High Speed,WiFi |
| PictBridge Compliant: |
No |
No |
| DPOF Compliant: |
Yes |
Yes |
| Remote Control: |
Yes |
Yes |
| Remote Control Type: |
Yes, via USB or Wi-Fi |
Optional IR or Wi-Fi |
| Connections (extended): |
Micro HDMI (Type-D), Multi Micro USB connector, Stereo microphone jack (3.5mm), Stereo headphone jack (3.5mm) |
Micro (Type D) HMDI |
|
|
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
0.53 |
0.35 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): |
0.57 |
|
| Buffer size for RAW shooting in single shot mode (frames): |
Unlimited |
|
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
0.52 |
0.35 |
| Camera penalizes early shutter press? |
No |
No |
| JPEG shooting speed in burst mode (fps, max resolution): |
5.0 |
5.2 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): |
62 |
28 |
| RAW shooting speed in burst mode (fps): |
5.0 |
5.2 |
| Buffer size for RAW shooting in burst mode (frames): |
39 |
9 |
| RAW+JPEG shooting speed in burst mode (fps): |
5.0 |
5.2 |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): |
28 |
6 |
| Shutter lag (full AF, wide/mid): |
0.18 seconds |
0.12 seconds |
| Shutter lag (full AF, tele): |
|
|
| Shutter lag (full AF, live view - DSLR): |
|
0.75 seconds |
| Shutter lag (prefocused, live view - DSLR): |
|
0.214 seconds |
| Shutter Lag (manual focus): |
0.129 seconds |
0.098 seconds |
| Shutter lag (full AF, with flash): |
|
0.15 seconds |
| Shutter Lag (prefocused): |
0.024 seconds |
0.077 seconds |
| Shutter Lag (notes): |
Full AF lag, Multi-area AF mode = 0.183s |
|
| Startup Time: |
2.0 seconds |
1.0 seconds |
| Play -> Record Time: |
0.5 seconds |
0.2 seconds |
| Flash cycle time, full power: |
|
2.3 seconds |
| Battery Life, Stills (CIPA Rating Monitor/Live View): |
380 shots |
|
| Battery Life, Still (CIPA Rating OVF/EVF): |
320 shots |
410 shots |
| Battery Life, Video: |
|
|
| Battery Form Factor: |
Proprietary NP-FW50 |
Proprietary D-LI109 |
| Usable Battery Types: |
Lithium-ion rechargeable |
Lithium-ion rechargeable |
| Batteries Included: |
2 x Proprietary NP-FW50 Lithium-ion rechargeable
|
1 x Proprietary D-LI109 Lithium-ion rechargeable
|
| Battery Charger Included (dedicated charger or AC/USB adapter): |
Yes |
Yes |
| Dedicated Battery Charger Included: |
Yes |
Yes |
| Internal Charging Supported: |
Yes |
No |
| Included Software: |
|
Digital Camera Utility 5 Software CD-ROM |
| OS Compatibility: |
|
|
| Notes & Features: |
720p (1,280 x 720 pixel) video can be recorded at 120fps with an APS-C sensor crop.
Can't record 4K video internally, but can output uncompressed 3,840 x 2,160 pixel 4K video over the HDMI port for recording on an external device. Can also output uncompressed Full HD (1,920 x 1,080 pixel) video.
Can shoot still images at 5.0 fps in Speed Priority Continuous mode, or 2.5 fps otherwise.
Battery life figure of 380 shots is for LCD monitor. Using electronic viewfinder, battery life falls to 320 shots. |
20 megapixel AA Filter-less CMOS sensor with Prime MII processor, built-in Wi-Fi with NFC, weather-resistant body, all-new retractable kit zoom lens. The K-S2 will be available in 3 standard colors: black, white, and graphite with an orange accent. RICOH IMAGING is also pleased to announce the color order service for the PENTAX K-S2. The PENTAX K-S2 offers a choice of seven color options in two outdoor-themed collections: three in the Nature Collection; Forest Green, Desert Beige, and Stone Gray as well as four in the Sports Collection: White and Lime, Black and Pink, White with a Racing Stripe, and Black with a Racing Stripe. |
