• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 24.00mm - 720.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-3
  • Panasonic Lumix DMC-ZS50
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax K-3 II
K-3 vs K-3 II
Panasonic ZS60
ZS50 vs ZS60
General
Model Number: K-3 ZS50
Alternate Model Number(s):   TZ70
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $1149.95 $399.99
Street Price: $699.00 $279.00
Date Available: 2013-11-01 2015-04-01
Tripod Mount: Yes Yes
Weight: 43.7 oz (1,240 g)
includes batteries, kit lens
8.6 oz (243 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(132 x 100 x 77 mm)
4.4 x 2.5 x 1.4 in.
(111 x 65 x 34 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 24.4 12.1
Sensor Format: APS-C 1/2.3 inch
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 3.91 microns 1.54 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 80 44
DxO Color Depth Score (bits): 23.7 20.0
DxO Dynamic Range Score (evs): 13.4 11.2
DxO Maximum Effective ISO Score (iso): 1,216 138
Image Capture
Image Resolution: 6016 x 4000 (24.1 MP, 3:2),
4608 x 3072 (14.2 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
3264 x 2448 (8.0 MP, 4:3),
3264 x 2176 (7.1 MP, 3:2),
3840 x 2160 (8.3 MP, 16:9),
2448 x 2448 (6.0 MP, 1:1),
2560 x 1920 (4.9 MP, 4:3),
2560 x 1712 (4.4 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
1920 x 1920 (3.7 MP, 1:1),
2048 x 1536 (3.1 MP, 4:3),
2048 x 1360 (2.8 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
1536 x 1536 (2.4 MP, 1:1),
640 x 480 (0.3 MP, 4:3),
640 x 424 (0.3 MP, Other),
640 x 360 (0.2 MP, 16:9),
480 x 480 (0.2 MP, 1:1)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG (EXIF v2.3), MPO, RAW, RAW+JPEG
Continuous-mode frames/second: 7.1 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
1920x1080 (60p/​60i/​30p)
1280x720 (60p/​30p)
640x480 (30p)
1280x720 (120p)
640x480 (240p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record AVCHD or MP4 with stereo audio
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a No
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) n/a
Lens: smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR LEICA DC VARIO-ELMAR, 12 elements in 9 groups with 5 Aspherical elements, 10 Aspherical surfaces and 3 ED elements
Focal Length (35mm equivalent): 27 - 203mm 24 - 720mm
Focal Length (actual): 18 - 135mm 4.3 - 129mm
Zoom Ratio: 7.50x 30.00x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/3.3 - 8.0 (W) / f/6.4 - 8.0 (T) Multistage Iris Diaphragm
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   3 cm to Infinity
1.2 in to Infinity
Filter Thread: 62.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values:   Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) Contrast Detect: Face / AF Tracking / 23pt / 1pt / Spot / Touch Area
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., TBDmm eyepoint, -2.5 to +1.5 diopter EVF: 0.2-inch, 1,166K dots equiv. LCD; 100% Coverage, Lens 19.6x Magnification: Approx. 2.56x / 0.46x (35 mm camera equivalent), Eye Sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 389,000 dots (129,600 pixels)
Viewfinder Magnification (35mm equivalent): 0.63x 0.46x
Viewfinder Magnification (nominal/claimed): 0.95x 2.56x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,040,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 51200 6400
Minimum ISO (native): 100 80
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, iISO,80, 100, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings) Auto, Daylight, Cloudy, Shade, Incandescent, White Set
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 60 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot Intelligent Multiple, 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; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3. Panorama Shot, Scene (Portrait, Soft Skin, Scenery, Sports, Night Portrait, Night Scenery, Handheld Night Shot, Food, Baby1, Baby2, Pet, Sunset, High Sensitivity, Glass Through, HDR, Starry Sky, High Speed Video, 3D Photo), Creative Control (Expressive, Retro, Old Days, High Key, Low Key, Sepia, Dynamic Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Miniature Effect, Soft Focus, Star Filter, One Point Color (15 filters))
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes Yes
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, Auto/Red-eye Reduction, Forced On, Slow Sync./Red-eye Reduction, Forced Off
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens Auto ISO: 0.6 - 6.4m (Wide), 1.0 - 3.3m (Tele)
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 EV in 0.5EV 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 SD / SDHC / SDXC
UHS Support: UHS-I  
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG RAW, RAW+JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record AVCHD or MP4 with stereo audio
Included Memory: No memory included 86.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: Yes No
External Connections: USB 3.0 Super Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Via Wi-Fi
Connections (extended): Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack Micro (Type-D) HDMI, Built-in Wi-Fi with NFC
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.79  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.64  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.69  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 7.1 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 75 6
RAW shooting speed in burst mode (fps): 7.1  
Buffer size for RAW shooting in burst mode (frames): 24  
RAW+JPEG shooting speed in burst mode (fps): 7.1  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 25  
Shutter lag (full AF, wide/mid): 0.14 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.01 seconds  
Shutter lag (prefocused, live view - DSLR): 0.226 seconds  
Shutter Lag (manual focus): 0.097 seconds  
Shutter lag (full AF, with flash): 0.33 seconds  
Shutter Lag (prefocused): 0.096 seconds  
Shutter Lag (notes): Full AF lag, Wide-area mode, OVF = 0.157s Live View: Center mode AF lag = 1.014s Wide-area mode AF lag = 1.005s Prefocused = 0.226s  
Startup Time: 0.9 seconds  
Play -> Record Time: 0.6 seconds  
Flash cycle time, full power: 2.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   300 shots
Battery Life, Still (CIPA Rating OVF/EVF): 560 shots 300 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable 3.6V, 1250mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary 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-SW140 PHOTOfunSTUDIO 9.6 PE, LoiLoScope (trial version), Adobe Reader
OS Compatibility:    
Miscellaneous
Notes & Features: Image stabilization system also acts as a selectable AA filter, 8.3 fps full-res burst mode, new 27-point AF system, new 86,000 pixel RGB metering system, Full HD video up to 60i with H.264 encoding, dual SD card slots, freeze-proof, dust-proof, weather-resistant magnesium alloy construction, USB 3.0 port. 30x zoom with optical image stabilization, 12.1MP High Sensitivity MOS sensor, 1166k-dot EVF with eye-sensor, 1080p60 video, 10fps full-res burst shooting, built-in Wi-Fi with NFC. Available in black or silver.