• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 70.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-5
  • Sony Cyber-shot DSC-RX100 IV
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-7
K-7 vs K-5
Sony RX100 III
RX100 III vs RX100 IV
Successor: Pentax K-5 II
K-5 vs K-5 II
Sony RX100 V
RX100 IV vs RX100 V
General
Model Number: K-5 RX100 IV
Alternate Model Number(s):   DSC-RX100M4
Camera Format: Pro SLR Compact
Currently Manufactured: No Yes
Retail Price: $1749.95 $1000.00
Street Price: $799.99 $898.00
Date Available: 2010-10-15 2015-07-15
Tripod Mount: Yes Yes
Weight: 35.4 oz (1,003 g)
includes batteries, kit lens
10.4 oz (295 g)
includes batteries
Size: 5.2 x 3.8 x 2.9 in.
(131 x 97 x 73 mm)
4.0 x 2.3 x 1.6 in.
(102 x 58 x 41 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony Exmor RS
Effective Megapixels: 16.3 20.1
Sensor Format: APS-C 1 inch
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 4.81 microns 2.41 microns
Focal Length Multiplier: 1.5x 2.7x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 82 70
DxO Color Depth Score (bits): 23.7 22.9
DxO Dynamic Range Score (evs): 14.1 12.6
DxO Maximum Effective ISO Score (iso): 1,162 562
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)
5472 x 3648 (20.0 MP, 3:2),
4864 x 3648 (17.7 MP, 4:3),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3648 x 2736 (10.0 MP, 4:3),
3648 x 2056 (7.5 MP, Other),
2736 x 1824 (5.0 MP, 3:2),
2592 x 1944 (5.0 MP, 4:3),
2720 x 1528 (4.2 MP, 16:9),
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)
Image File Format: JPEG (EXIF 2.21), 14-bit RAW (.PEF, .DNG) JPEG, RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 6.5 16.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (25)
1280x720 (30/​25)
640x480 (30/​25)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​24p)
1280x720 (30p/​25p)
1824x1026 (250p/​240p)
1676x566 (500p/​480p/​250p/​240p)
1136x384 (1000p/​960p/​500p/​480p)
800x270 (1000p/​960p)
Movie File Format: AVI (Motion JPEG) XAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio
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) n/a
Lens: smc Pentax 18-55mm f/3.5-5.6AL DA WR Zeiss Vario-Sonnar T* Lens; 10 elements in 9 groups (9 aspheric elements including AA lens)
Focal Length (35mm equivalent): 27 - 83mm 24 - 70mm
Focal Length (actual): 18 - 55mm 8.8 - 25.7mm
Zoom Ratio: 3.06x 2.92x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) f/1.8 (wide) / f/2.8 (tele) - f/11 with 7 blade aperture, plus built-in 3-stop ND filter
Integrated ND Filter: No Yes
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; 2x Clear Image Digital Zoom
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 Contrast Detection: Wide, Center, Flexible Spot (S/M/L), Expanded Flexble Spot, Lock on AF (Wide/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot)
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 Pop-up EVF: 0.39-inch, XGA OLED, 2,359,296 dots, 100% coverage, 0.59x magnification, 20mm eye-point (from eyepiece)/ 19.2mm from eyepiece frame; -4.0 to +3.0 m^-1 diopter, ZEISS T* Coating, eye detector
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.61x 0.59x
Viewfinder Magnification (nominal/claimed): 0.92x 0.22x
Display
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) 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 32.0x 13.6x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 12800 12800
Minimum ISO (native): 100 125
ISO Settings: Auto, 100-12800, expandable 80 to 51200 Auto, ISO 125 - 12800 with ISO 80 and 100 low extensions, up to 25600 with Multi Frame NR
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, Cloudy, Incandescent, Fluorescent (Warm, Cool, Day, Daylight), Flash, Color Temp/Filter, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/32000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot Multi-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: Sensitivity Priority, Shutter and Aperture Priority Scene modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night Scene, Handheld Twilight, Night Portrait, Anti Motion Blur, Pet Mode, Gourmet, Fireworks, High Sensitivity; DRO (Auto/Level); HDR (Auto/Level); Auto Portrait Framing; Sweep Panorama; HFR Mode; Picture Effects: Toy Camera, Pop Color, Posterization, Retro Photo, Soft High- key, Partial Color, High Contrast Monochrome, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration
Self Timer: 2 or 12 seconds 2, 5, 10; 3 or 5 shots after 2, 5, 10; Portrait seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
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. Auto, Fill-flash, Slow Sync, Rear Sync, Off
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens Auto ISO: Approx.0.4m to 10.2m (1.31 ft. to 33.46 ft.) (W) / Approx. 0.4 m to 6.5 m (1.31 ft. to 21.33 ft.) (T)
Max Flash Sync: 1/180 1/2000
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket n/a
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support: No UHS support UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG) RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVI (Motion JPEG) XAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type: Optional Wired or IR Optional wired, via Wi-Fi
Connections (extended): Mini HMDI, DC input, wired remote, 3.5mm external stereo mic jack Micro HDMI (Type D) with 4K support; Multi-terminal Micro USB port supports optional wired remote
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.62
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 0.61
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 6.5 16.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 31 40
RAW shooting speed in burst mode (fps): 6.5 8.6
Buffer size for RAW shooting in burst mode (frames): 23 28
RAW+JPEG shooting speed in burst mode (fps): 6.4 8.6
Buffer Size for RAW+JPEG shooting in burst mode (frames): 22 24
Shutter lag (full AF, wide/mid): 0.10 seconds 0.16 seconds
Shutter lag (full AF, tele):   0.23 seconds
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 0.018 seconds
Shutter lag (full AF, with flash): 0.21 seconds 0.29 seconds
Shutter Lag (prefocused): 0.092 seconds 0.010 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 2.1 seconds
Play -> Record Time: 0.3 seconds 0.9 seconds
Flash cycle time, full power: 2.2 seconds 4.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   280 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots 230 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90; optional D-BG4 Battery Grip Proprietary NP-BX1
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary NP-BX1 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
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. Uses the world's first 1.0 type stacked EXMOR RS CMOS sensor with advanced signal processing and integrated DRAM; 4K internal video recording; 40x super slow-mo video; upgraded Fast Intelligent AF; 16fps burst mode, high-speed anti-distortion electronic shutter, pop-up XGA OLED EVF.