• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • Medium format 1,441.0mm2
  • 102.0 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax K-5
  • Fujifilm GFX 100S
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-7
K-7 vs K-5
 
Successor: Pentax K-5 II
K-5 vs K-5 II
 
General
Model Number: K-5 GFX 100S
Alternate Model Number(s):   GFX100S
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $1749.95 $5999.95
Street Price: $799.99 $4,965.67
Date Available: 2010-10-15 2021-03-01
Tripod Mount: Yes Yes
Weight: 35.4 oz (1,003 g)
includes batteries, kit lens
31.7 oz (900 g)
includes batteries
Size: 5.2 x 3.8 x 2.9 in.
(131 x 97 x 73 mm)
5.9 x 4.1 x 3.4 in.
(150 x 104 x 87 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 16.3 102.0
Sensor Format: APS-C Medium format
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 1441.02mm2 (43.80mm x 32.90mm)
Approximate Pixel Pitch: 4.81 microns 3.76 microns
Focal Length Multiplier: 1.5x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 82  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 14.1  
DxO Maximum Effective ISO Score (iso): 1,162  
Image Capture
Image Resolution: 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)
11648 x 8736 (101.8 MP, 4:3),
8256 x 6192 (51.1 MP, 4:3),
4000 x 3000 (12.0 MP, 4:3),
11648 x 7768 (90.5 MP, 3:2),
8256 x 6192 (51.1 MP, 4:3),
4000 x 2664 (10.7 MP, 3:2),
11648 x 6552 (76.3 MP, 16:9),
8256 x 5504 (45.4 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
8736 x 8736 (76.3 MP, 1:1),
6192 x 6192 (38.3 MP, 1:1),
2992 x 2992 (9.0 MP, 1:1),
11648 x 4304 (50.1 MP, Other),
8256 x 3048 (25.2 MP, Other),
4000 x 1480 (5.9 MP, Other),
10928 x 8736 (95.5 MP, 5:4),
7743 x 6192 (47.9 MP, 5:4),
3744 x 3000 (11.2 MP, 5:4),
10192 x 8736 (89.0 MP, Other),
7232 x 6192 (44.8 MP, Other),
3504 x 3000 (10.5 MP, Other)
Image File Format: JPEG (EXIF 2.21), 14-bit RAW (.PEF, .DNG) JPEG (Exif 2.3), 14-bit or 16-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit or 30-bit TIFF (in-camera RAW conversion)
Continuous-mode frames/second: 6.5 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (25)
1280x720 (30/​25)
640x480 (30/​25)
4096x2160 (30p/​25p/​24p/​23.98p)
3840x2160 (30p/​25p/​24p/​23.98p)
2048x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1920x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
Movie File Format: AVI (Motion JPEG) MOV (MPEG-4 AVC / H.264, HEVC / H.265; Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) FUJINON G Mount
Lens: smc Pentax 18-55mm f/3.5-5.6AL DA WR 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/38 (tele)  
Integrated ND Filter: No 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: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX IX+, 11 point (9 cross type focus point in the center), with light wavelength sensor Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF): 3.76 million phase detection pixels with approx. 100% frame coverage; Single point AF: EVF / LCD: 13x9 / 25x17 (Changeable size of AF frame), Zone AF: 3x3 / 5x5 / 7x7 from 117 areas on 13x9 grid
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, 0.92x mag., 21.7mm eyepoint, -2.5 to +1.5 diopter Fixed electronic viewfinder: 3.69M dot EVF, 100% coverage, 0.77x magnification (35mm eq.), 23mm eyepoint, -4 to +2 diopter adjustment, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 5,760,000 dots (1,920,000 pixels)
Viewfinder Magnification (35mm equivalent): 0.61x 0.86x
Viewfinder Magnification (nominal/claimed): 0.92x  
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) 2,360,000 dots (786,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 12800 12800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-12800, expandable 80 to 51200 Auto (1/2/3), 100-12800, expandable to 50-102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, daylight, shade, cloudy, fluorescent (D, N, W, L), tungsten, flash, CTE, manual (up to 3 settings), Kelvin temperature (up to 3 settings) Auto, Daylight, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom, Color Temperature (K)
Shutter Speed Range: 1/8000 - 30 sec 1/16000 - 3600 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, Center-weighted, Spot TTL 256-zone metering: Multi, Spot , Average, Center 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 and Aperture Priority Film Simulation modes (PROVIA / Standard, Velvia / Vivid, ASTIA / Soft, Classic Chrome, PRO Neg.Hi, PRO Neg.Std, ETERNA/CINEMA, Black&White, Black&White+Ye Filter, Black&White+R Filter, Black&White+G Filter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter, Eterna), Dynamic range setting: AUTO, 100%, 200%, 400%; Smooth Skin Effect (Strong/Weak/Off), Color Chrome Effect (Strong/Weak/Off), Grain Effect (Strong/Weak/Off)
Self Timer: 2 or 12 seconds 10 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. n/a
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/125s
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps  
External Flash Connection: Hot Shoe, PC Sync socket Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: No UHS support UHS-II
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG) 14-bit or 16-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit or 30-bit TIFF (in-camera RAW conversion)
Movie File Format: AVI (Motion JPEG) MOV (MPEG-4 AVC / H.264, HEVC / H.265; Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling)
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: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: No Yes
Remote Control Type: Optional Wired or IR Via Wi-Fi or Remote Release RR-100
Connections (extended): Mini HMDI, DC input, wired remote, 3.5mm external stereo mic jack Micro HDMI (Type-D), USB-C 3.2 Gen1, 3.5mm external mic jack, 3.5mm headphone jack, 2.5mm remote release jack, DC input (15V)
Performance Timing
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): <0.3  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): <0.3  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 6.5 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 31  
RAW shooting speed in burst mode (fps): 6.5 5.0
Buffer size for RAW shooting in burst mode (frames): 23  
RAW+JPEG shooting speed in burst mode (fps): 6.4 5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 22  
Shutter lag (full AF, wide/mid): 0.10 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.25 seconds  
Shutter lag (prefocused, live view - DSLR): 0.384 seconds  
Shutter Lag (manual focus): 0.092 seconds  
Shutter lag (full AF, with flash): 0.21 seconds  
Shutter Lag (prefocused): 0.092 seconds  
Shutter Lag (notes): OVF: Full Autofocus lag, Auto Area (11-points) AF = 0.118s Live View (firmware 1.02): - Full AF PD AF = 1.30s - Full AF CD AF = 1.25s - Prefocused = 0.384s  
Startup Time: 0.6 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power: 2.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   460 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots  
Battery Life, Video:   170 minutes
Battery Form Factor: Proprietary D-LI90; optional D-BG4 Battery Grip Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-T125 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 2 x Proprietary NP-T125 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: Software (CD-ROM) S-SW110  
OS Compatibility:    
Miscellaneous
Notes & Features: New 16.3MP CMOS APS-C sensor with ISOs up to 51200, sensor-shift shake reduction, 1080p HD video at 25fps, 11-point SAFOX IX+ AF system, 100%, 0.92x viewfinder, electronic level with tilt scale, improved in-camera HDR, SDXC compatible with firmware update, weather sealed magnesium allow body on stainless steel chassis.