• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 35mm 858.0mm2
  • 45.7 megapixels
  • ISO 64 - 25,600
  • Detailed specifications
  • Pentax K-S1
  • Nikon Z7
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Nikon Z7 II
Z7 vs Z7 II
General
Model Number: K-S1 Z7
Alternate Model Number(s):   Z 7
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $799.95 $3399.95
Street Price: $501.65 $2,146.95
Date Available: 2014-09-15 2018-09-27
Tripod Mount: Yes Yes
Weight: 27.0 oz (765 g)
includes batteries, kit lens
41.4 oz (1,175 g)
includes batteries, kit lens
Size: 4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
5.3 x 4.0 x 2.7 in.
(134 x 101 x 68 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 20.1 45.7
Sensor Format: APS-C 35mm
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 858.01mm2 (35.90mm x 23.90mm)
Approximate Pixel Pitch: 4.29 microns 4.35 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 26.3
DxO Dynamic Range Score (evs): 13.0 14.6
DxO Maximum Effective ISO Score (iso): 1,061 2,668
Image Capture
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)
8256 x 5504 (45.4 MP, 3:2),
6192 x 4128 (25.6 MP, 3:2),
4128 x 2752 (11.4 MP, 3:2),
6880 x 5504 (37.9 MP, 5:4),
5152 x 4120 (21.2 MP, 5:4),
3440 x 2752 (9.5 MP, 5:4),
5504 x 5504 (30.3 MP, 1:1),
4128 x 4128 (17.0 MP, 1:1),
2752 x 2752 (7.6 MP, 1:1),
8256 x 4640 (38.3 MP, 16:9),
6192 x 3480 (21.5 MP, 16:9),
4128 x 2320 (9.6 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
5408 x 3600 (19.5 MP, 3:2),
4048 x 2696 (10.9 MP, 3:2),
2704 x 1800 (4.9 MP, 3:2)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.31), NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Continuous-mode frames/second: 5.4 9.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1920x1080 (120p/​100p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC audio)
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 & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Nikon Z
Lens: smc Pentax-DA L 18-55mm f/3.5-5.6 AL Nikkor Z 24-70mm f/4 S
Focal Length (35mm equivalent): 27 - 83mm 24 - 70mm
Focal Length (actual): 18 - 55mm 24 - 70mm
Zoom Ratio: 3.06x 2.92x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/4 - f/22; 7-blade rounded diaphragm
Integrated ND Filter: No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 72.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values:   1.5x (DX), 5:4, 1:1, 16:9 crop modes
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) Hybrid phase-detection/contrast AF; 493 (single-point AF); Pinpoint, single-point and dynamic-area AF (pinpoint and dynamic-area AF available in photo mode only); wide-area AF (S); wide-area AF (L); auto-area AF; Autofocus (AF): Single-servo AF (AF-S); continuous-servo AF (AF-C); full-time AF (AF-F; available only in movie mode); predictive focus tracking; Manual focus (M): Electronic rangefinder can be used; Touch AF and Touch Shutter supported.
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
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: 1.27-cm/0.5-in., approx. 3690k-dot (Quad VGA) OLED with color balance and auto and 11-level manual brightness controls, 100% coverage, 0.8x magnification, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.63x 0.80x
Viewfinder Magnification (nominal/claimed): 0.95x 0.80x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (307,200 px) 2,100,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 32.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 51200 25600
Minimum ISO (native): 100 64
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, 64 - 25,600 in 1/3, 1/2 or 1EV steps, plus down to 32 in Lo-1 and up to 102,400 in Hi-2
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 (3), Natural Light Auto, Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual (6), Color Temperature (2,500K-10,000K); Fine-tuning available.
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 Matrix, Center-weighted (weight of 75% given to 12-mm circle in center of frame; weighting can be based on average of entire frame), Spot (4mm circle or about 1.5% frame, centered on selected focus point), Highlight-weighted
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 User Settings (U1, U2, U3); HDR, Multiple Exposure (Add, average, lighten, darken)
Self Timer: 2 or 12 seconds 2/5/10/20 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
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) Front-curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, 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 1/200
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot Shoe ISO-type hotshoe
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC XQD
UHS Support: UHS-I  
Other Memory: UHS-I compliant  
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Movie File Format: MPEG-4 AVC/H.264 (MOV) MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC audio)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Wi-Fi, Bluetooth or optional wired or wireless
Connections (extended): Micro (Type D) HMDI Mini (Type C) HDMI, USB 3.1 Gen 1 Type C (SuperSpeed USB), 10-pin Expansion Terminal, Stereo Mic Jack (3.5mm, plug-in power provided), Stereo Audio Out (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.48
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):   0.46
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.4 9.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 26
RAW shooting speed in burst mode (fps):   9.0
Buffer size for RAW shooting in burst mode (frames):   23
RAW+JPEG shooting speed in burst mode (fps):   9.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   20
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):   0.060 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):   0.059 seconds
Shutter Lag (notes):   Shutter lag results are with Electronic First Curtain Shutter (EFCS) enabled.
Startup Time:   1.5 seconds
Play -> Record Time:   0.9 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   400 shots
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots 330 shots
Battery Life, Video:   85 minutes
Battery Form Factor: Proprietary D-LI109 Proprietary
Usable Battery Types: Lithium-ion rechargeable EN-EL15b/EN-EL15a/EN-EL15 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary EN-EL15b Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Digital Camera Utility 5 Software CD-ROM  
OS Compatibility:    
Miscellaneous
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.