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Manufacturer URL: |
Manufacturer website
|
Manufacturer website
|
Predecessor: |
|
Sony A7R III
A7R III vs A7R IV
|
Successor: |
|
Sony A7R V
|
Model Number: |
K-S1 |
A7R IV |
Alternate Model Number(s): |
|
ILCE-7RM4 |
Camera Format: |
SLR |
Compact System Camera |
Currently Manufactured: |
No |
Yes |
Retail Price: |
$799.95 |
$3500.00 |
Street Price: |
$501.65 |
$3,217.46 |
Date Available: |
2014-09-15 |
2019-09-01 |
Tripod Mount: |
Yes |
Yes |
Weight: |
27.0 oz
(765 g)
includes batteries, kit lens
|
23.5 oz
(665 g)
includes batteries
|
Size: |
4.8 x
3.7 x
2.8 in.
(121 x
93 x
70 mm)
|
5.1 x
3.8 x
3.1 in.
(129 x
96 x
78 mm)
|
Waterproof: |
No |
No |
Waterproof Depth: |
n/a |
n/a |
|
Sensor Type: |
CMOS |
CMOS |
Sensor Manufacturer: |
|
Sony |
Effective Megapixels: |
20.1 |
61.0 |
Sensor Format: |
APS-C |
35mm |
Sensor size: |
366.6mm2 (23.50mm x 15.60mm) |
849.66mm2 (35.70mm x 23.80mm) |
Approximate Pixel Pitch: |
4.29 microns |
3.76 microns |
Focal Length Multiplier: |
1.5x |
1.0x |
Aspect Ratio: |
3:2 |
3:2 |
Color Filter Type: |
RGBG |
RGBG |
Anti Aliasing Filter: |
Optional |
None |
Self-Cleaning: |
Yes |
Yes |
Sensor shift image stabilization: |
Yes |
Yes |
On-Sensor Phase Detect: |
No |
Yes |
DxO Sensor Score: |
78 |
99 |
DxO Color Depth Score (bits): |
23.5 |
26.0 |
DxO Dynamic Range Score (evs): |
13.0 |
14.8 |
DxO Maximum Effective ISO Score (iso): |
1,061 |
3,344 |
Image Resolution: |
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) |
9504 x 6336
(60.2 MP,
3:2), 6240 x 4160
(26.0 MP,
3:2), 4752 x 3168
(15.1 MP,
3:2), 8448 x 6336
(53.5 MP,
4:3), 5552 x 4160
(23.1 MP,
4:3), 4224 x 3168
(13.4 MP,
4:3), 9504 x 5344
(50.8 MP,
16:9), 6240 x 3512
(21.9 MP,
16:9), 4752 x 2672
(12.7 MP,
16:9), 6336 x 6336
(40.1 MP,
1:1), 4160 x 4160
(17.3 MP,
1:1), 3168 x 3168
(10.0 MP,
1:1) |
Image File Format: |
JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) |
JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG |
Continuous-mode frames/second: |
5.4 |
10.0 |
Can take movies: |
Yes |
Yes |
Movie Resolution: |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p)
|
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p)
|
Movie File Format: |
MPEG-4 AVC/H.264 (MOV) |
XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo |
Composite Video Out: |
|
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: |
Pentax K (KA/KAF/KAF2) |
Sony E |
Lens: |
smc Pentax-DA L 18-55mm f/3.5-5.6 AL |
n/a |
Focal Length (35mm equivalent): |
27 -
83mm
|
|
Focal Length (actual): |
18 -
55mm
|
|
Zoom Ratio: |
3.06x |
|
Aperture Range: |
f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) |
|
Integrated ND Filter: |
No |
|
Normal Focus Range: |
25 cm to Infinity
9.8 in to Infinity
|
|
Macro Focus Range: |
|
|
Filter Thread: |
52.0mm |
n/a |
Thread Type: |
n/a |
n/a |
Optical Image Stabilization: |
No |
No |
Digital Zoom: |
|
Yes |
Digital Zoom Values: |
|
Up to 4x; up to 2x Clear Image Digital Zoom |
Auto Focus: |
Yes |
Yes |
Auto Focus Type: |
SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) |
Fast Hybrid 4D AF: 567 points (PDAF), APS-C mode with full-frame lens: 325 points (PDAF), with APS-C lens: 247 points (PDAF) / 425 points (contrast-detection AF); Wide (567 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF |
Auto Focus Assist Light? |
Yes |
Yes |
Manual Focus: |
Yes |
Yes |
Viewfinder: |
Optical / LCD
|
EVF / LCD
|
Viewfinder Type: |
SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter |
EVF: 1.3 cm (0.5 type) 5.76M-dot UXGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1, eye sensor |
Focus Peaking: |
Yes |
Yes |
EVF Resolution: |
n/a
|
5,760,000 dots (1,920,000 pixels)
|
Viewfinder Magnification (35mm equivalent): |
0.63x |
0.78x |
Viewfinder Magnification (nominal/claimed): |
0.95x |
0.78x |
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)
|
1,440,000 dots
(360,000 px)
|
Touchscreen: |
No |
Yes |
Articulating Screen: |
No |
Yes |
Tilt Swivel Screen: |
No |
No |
Selfie Screen: |
No |
No |
Max Playback Zoom: |
16.0x |
|
Top Deck Display: |
No |
No |
|
Maximum ISO (native): |
51200 |
32000 |
Minimum ISO (native): |
100 |
100 |
ISO Settings: |
Auto, 100-51200 (1, 1/2 or 1/3 EV steps) |
AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 |
Auto ISO Mode: |
Yes |
Yes |
White Balance Settings: |
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 |
Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater |
Shutter Speed Range: |
1/6000 - 30 sec |
1/8000 - 30 sec |
Bulb Mode: |
Yes |
Yes |
Exposure Compensation: |
+/- 5.0EV
in 0.3EV steps
|
+/- 5.0EV
in 0.3EV steps
|
Metering Modes: |
TTL open-aperture: 77 segment Multi, Center-weighted, Spot |
1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight |
Program Auto Exposure: |
Yes |
Yes |
Aperture Priority: |
Yes |
Yes |
Shutter Priority: |
Yes |
Yes |
Full Manual Exposure: |
Yes |
Yes |
Creative Exposure Modes: |
Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3 |
3 Custom Settings; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
Self Timer: |
2 or 12 seconds |
2, 5, 10; 3/5 shots after 2/5/10 seconds |
Time Lapse (intervalometer): |
|
Yes |
High Resolution Composite: |
No |
240.8 megapixels |
Built-in Flash: |
Yes |
No |
Flash Modes: |
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 off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
Flash Guide Number (ISO 100): |
10.0 m /
32.8 ft.
|
n/a |
Flash Range Description: |
Depends on lens |
n/a |
Max Flash Sync: |
1/180 |
1/250 |
Flash Exposure Compensation: |
-2 to +1 EV
in 0.5EV steps
|
+/- 3.0 EV
in 0.3EV steps
|
External Flash Connection: |
Hot Shoe |
Enhanced Multi Interface Hot Shoe, Sync Terminal |
Built-In Wireless Flash Control: |
|
No |
Usable Memory Types: |
SD / SDHC / SDXC |
SD / SDHC / SDXC |
UHS Support: |
UHS-I |
UHS-II |
Other Memory: |
UHS-I compliant |
Dual SD UHS-II slots |
Dual Card Slots: |
No |
Yes |
RAW Capture Support: |
Yes |
Yes |
Uncompressed Format: |
12-bit RAW (.PEF, .DNG) |
RAW (14-bit ARW 2.3), RAW+JPEG |
Movie File Format: |
MPEG-4 AVC/H.264 (MOV) |
XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo |
Included Memory: |
No memory included |
No memory included |
Included Memory Type: |
|
|
Built-In Wi-Fi: |
No |
Yes |
NFC: |
No |
Yes |
Bluetooth: |
No |
Yes |
Built-In GPS: |
No |
No |
Microphone Jack: |
No |
Yes |
Headphone Jack: |
No |
Yes |
External Connections: |
USB 2.0 High Speed |
USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi |
PictBridge Compliant: |
No |
No |
DPOF Compliant: |
Yes |
Yes |
Remote Control: |
Yes |
Yes |
Remote Control Type: |
Optional IR |
Optional via RM-VPR1, USB, Wi-Fi or Bluetooth |
Connections (extended): |
Micro (Type D) HMDI |
USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and Headphone jacks |
|
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): |
|
<0.3 |
Camera penalizes early shutter press? |
|
No |
JPEG shooting speed in burst mode (fps, max resolution): |
5.4 |
10.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): |
20 |
70 |
RAW shooting speed in burst mode (fps): |
|
7.2 |
Buffer size for RAW shooting in burst mode (frames): |
|
32 |
RAW+JPEG shooting speed in burst mode (fps): |
|
7.2 |
Buffer Size for RAW+JPEG shooting in burst mode (frames): |
|
32 |
Shutter lag (full AF, wide/mid): |
|
0.21 seconds |
Shutter lag (full AF, tele): |
|
|
Shutter lag (full AF, live view - DSLR): |
|
|
Shutter lag (prefocused, live view - DSLR): |
|
|
Shutter Lag (manual focus): |
|
0.124 seconds |
Shutter lag (full AF, with flash): |
|
|
Shutter Lag (prefocused): |
|
0.022 seconds |
Shutter Lag (notes): |
|
|
Startup Time: |
|
1.3 seconds |
Play -> Record Time: |
|
1.5 seconds |
Flash cycle time, full power: |
|
|
Battery Life, Stills (CIPA Rating Monitor/Live View): |
|
670 shots |
Battery Life, Still (CIPA Rating OVF/EVF): |
480 shots |
530 shots |
Battery Life, Video: |
|
105 minutes
|
Battery Form Factor: |
Proprietary D-LI109 |
Proprietary |
Usable Battery Types: |
Lithium-ion rechargeable |
NP-FZ100 Lithium-ion rechargeable |
Batteries Included: |
1 x Proprietary D-LI109 Lithium-ion rechargeable
|
1 x Proprietary NP-FZ100 Lithium-ion rechargeable
|
Battery Charger Included (dedicated charger or AC/USB adapter): |
Yes |
Yes |
Dedicated Battery Charger Included: |
|
Yes |
Internal Charging Supported: |
|
Yes |
Included Software: |
Digital Camera Utility 5 Software CD-ROM |
Capture One Express (for Sony) free download |
OS Compatibility: |
|
|
Notes & Features: |
The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black. |
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