• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Pentax K-5
  • Sony Alpha ILCE-A7R IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-7
K-7 vs K-5
Sony A7R III
A7R III vs A7R IV
Successor: Pentax K-5 II
K-5 vs K-5 II
Sony A7R V
General
Model Number: K-5 A7R IV
Alternate Model Number(s):   ILCE-7RM4
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $1749.95 $3500.00
Street Price: $799.99 $3,120.46
Date Available: 2010-10-15 2019-09-01
Tripod Mount: Yes Yes
Weight: 35.4 oz (1,003 g)
includes batteries, kit lens
23.5 oz (665 g)
includes batteries
Size: 5.2 x 3.8 x 2.9 in.
(131 x 97 x 73 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
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 16.3 61.0
Sensor Format: APS-C 35mm
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 849.66mm2 (35.70mm x 23.80mm)
Approximate Pixel Pitch: 4.81 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: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 82 99
DxO Color Depth Score (bits): 23.7 26.0
DxO Dynamic Range Score (evs): 14.1 14.8
DxO Maximum Effective ISO Score (iso): 1,162 3,344
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)
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 2.21), 14-bit RAW (.PEF, .DNG) JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 6.5 10.0
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/​30p/​25p/​24p)
Movie File Format: AVI (Motion JPEG) XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
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) Sony E
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
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 Yes
Digital Zoom Values: n/a Up to 4x; up to 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 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
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 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: No Yes
EVF Resolution: n/a 5,760,000 dots (1,920,000 pixels)
Viewfinder Magnification (35mm equivalent): 0.61x 0.78x
Viewfinder Magnification (nominal/claimed): 0.92x 0.78x
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) 1,440,000 dots (360,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 12800 32000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-12800, expandable 80 to 51200 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, 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 (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
Shutter Speed Range: 1/8000 - 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, 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 and Aperture Priority 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
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. Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
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 1/250
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket Enhanced Multi Interface Hot Shoe, 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 SD UHS-II slots
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG) RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: AVI (Motion JPEG) 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:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes 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: No Yes
Remote Control Type: Optional Wired or IR Optional via RM-VPR1, USB, Wi-Fi or Bluetooth
Connections (extended): Mini HMDI, DC input, wired remote, 3.5mm external stereo mic jack USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 <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 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 6.5 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 31 70
RAW shooting speed in burst mode (fps): 6.5 7.2
Buffer size for RAW shooting in burst mode (frames): 23 32
RAW+JPEG shooting speed in burst mode (fps): 6.4 7.2
Buffer Size for RAW+JPEG shooting in burst mode (frames): 22 32
Shutter lag (full AF, wide/mid): 0.10 seconds 0.21 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 0.124 seconds
Shutter lag (full AF, with flash): 0.21 seconds  
Shutter Lag (prefocused): 0.092 seconds 0.022 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 1.3 seconds
Play -> Record Time: 0.3 seconds 1.5 seconds
Flash cycle time, full power: 2.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   670 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots 530 shots
Battery Life, Video:   105 minutes
Battery Form Factor: Proprietary D-LI90; optional D-BG4 Battery Grip Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 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 Yes
Internal Charging Supported: No Yes
Software
Included Software: Software (CD-ROM) S-SW110 Capture One Express (for Sony) free download
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.