Pentax K-50 vs. Pentax K-3 Mark III

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-50 and Pentax K-3 Mark III. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.

Camera Specifications Comparison

Pentax K-50 vs. Pentax K-3 Mark III Comparison Chart
DESIGN AND DIMENSIONS Pentax K-50 Pentax K-3 Mark III
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 4K - SLR with Live View mode, movie recording
Lens Included Body only Body only
Height 9.65 cm 10.35 cm
Width 12.9 cm 13.45 cm
Depth 7 cm 7.35 cm
Weight 590 g 735 g
Weight Details - Camera body only: 735 g
Camera with battery and memory card: 820 g
Body Material Stainless steel, fibre reinforced polycarbonate Magnesium alloy
Enclosure Colour Black | White | Red Black | Silver
Protection Weatherproof, freezeproof, dust-resistant Weatherproof, dust-resistant
Navigation - GPS receiver
SENSOR Pentax K-50 Pentax K-3 Mark III
Sensor Resolution 16.3 Megapixel 25.73 Megapixel
Optical Sensor Type CMOS CMOS
Total Pixels 16,500,000 pixels 26,780,000 pixels
Effective Sensor Resolution 16,300,000 pixels 25,730,000 pixels
Optical Sensor Size APS-C (23.7 x 15.7 mm) APS-C (23.3 x 15.5 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction Yes -
Sensor Features Dust Reduction (image sensor vibration), Special Protect (SP) coating Dust Reduction (image sensor vibration), anti-aliasing simulator function
Image Stabiliser Optical (image sensor shift mechanism) Optical SR II (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser Yes Yes
Sensors - Digital level metre
PROCESSOR Pentax K-50 Pentax K-3 Mark III
Image Processor PRIME M -
LENS Pentax K-50 Pentax K-3 Mark III
Lens Mounting Type Pentax KAF2 Pentax K
FOCUSING Pentax K-50 Pentax K-3 Mark III
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 11 101
Auto Focus Features Focus Peaking function -
AE/AF Control Face-priority AF, Subject-tracking AF Auto-area AF, Zone AF, Expanded area AF
Face Detection Yes Yes
VIEWFINDER Pentax K-50 Pentax K-3 Mark III
Viewfinder Type Optical - fixed eye-level pentaprism Optical - fixed eye-level pentaprism
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.92x 1.05x
Optical Viewfinder Dioptric Correction Range -2.5 to +1.5 -4 to +1
Interchangeable Focusing Screens Yes -
Features - Auto eye sensor
EXPOSURE & WHITE BALANCE Pentax K-50 Pentax K-3 Mark III
ISO (Max) 51200 1600000
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO auto, ISO 100-1600000
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, highlight-weighted
Exposure Metering Zones 77 -
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority
Bracketing Modes - Depth of field bracketing, motion bracketing
Shooting Programs Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, forest, backlight silhouette -
Special Effects Soft, Slim, Pastel, Colour, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), fluorescent light (daylight white) Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white)
Shutter Type - Electronic, mechanical electronically-controlled
Max Shutter Speed 1/6000 sec 1/8000 sec
Min Shutter Speed 30 sec 30 sec
Exposure Compensation ±5 EV range, in 1/2 or 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 3 steps in 1/2 or 1/3 EV steps -
X-sync Speed 1/180 sec 1/200sec
Exposure Range EV 0-22 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Pentax K-50 Pentax K-3 Mark III
Type 3" LCD display 3.2" LCD display
Touch Screen - Yes
Display Format 921,000 pixels 1,620,000 pixels
Display Form Factor Built-in Built-in
Display Features Display brightness control, display colour control Colour control, contrast control, display brightness control, night vision LCD display
FLASH Pentax K-50 Pentax K-3 Mark III
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 12 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction, P-TTL -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation, wireless off-camera control -
VIDEOGRAPHY / CAMCORDER Pentax K-50 Pentax K-3 Mark III
Digital Video Format H.264 H.264, MOV
Image Recording Format JPEG, DNG (RAW) + JPEG, DNG (RAW) JPEG, DNG (RAW), PEF (RAW)
Max Video Resolution 1920 x 1080 3840 x 2160
Microphone Operation Mode Mono Stereo
Microphone Features Sensitivity control Wind noise reduction, sensitivity control
MEMORY Pentax K-50 Pentax K-3 Mark III
Memory Card Slot SD card Dual SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included - No
Image Storage RAW 4928 x 3264
JPEG 4928 x 3264
JPEG 4224 x 2816
JPEG 3456 x 2304
JPEG 2688 x 1792
RAW 6192 x 4128
JPEG 6192 x 4128
JPEG 4752 x 3168
JPEG 3648 x 2432
JPEG 1920 x 1280
Video Capture H.264 - 1920 x 1080 - 30 fps
H.264 - 1920 x 1080 - 25 fps
H.264 - 1920 x 1080 - 24 fps
H.264 - 1280 x 720 - 60 fps
H.264 - 1280 x 720 - 50 fps
H.264 - 1280 x 720 - 30 fps
H.264 - 1280 x 720 - 25 fps
H.264 - 1280 x 720 - 24 fps
H.264 - 640 x 480 - 30 fps
H.264 - 640 x 480 - 25 fps
H.264 - 640 x 480 - 24 fps
H.264 - 3840 x 2160 p - 30 fps
H.264 - 3840 x 2160 p - 24 fps
H.264 - 1920 x 1080 p - 60 fps
H.264 - 1920 x 1080 p - 30 fps
H.264 - 1920 x 1080 p - 24 fps
BATTERY AND CHARGING Pentax K-50 Pentax K-3 Mark III
Battery Type Pentax D-Li109 Lithium Ion Pentax D-Li90 Lithium Ion
Details Pentax D-Li109 Li-ion rechargeable battery (included) Pentax D-Li90 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 480 shots (D-LI109 battery)
Photo shooting - 1250 shots (lithium AA batteries)
Playback - 4.5 hours (D-LI109 battery)
Playback - 9.3 hours (lithium AA batteries)
Photo shooting - 800 shots
Playback - 250 minutes
CONNECTIONS Pentax K-50 Pentax K-3 Mark III
Interface Composite video/audio, USB 2.0 HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard DPOF support, PRINT Image Matching Exif Print support
Computer Connectivity - Mac, Windows
Flash Terminal Hot shoe Hot shoe, PC terminal
Connector Type USB 2.0
Composite video/audio output
USB 3.2 Gen 1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
Remote control (sub-mini phone 2.5 mm)
FEATURES Pentax K-50 Pentax K-3 Mark III
Self-Timer Delay 2sec, 12sec 2sec, 12sec
Continuous Shooting Speed 3 frames per second, 6 frames per second 2.5 frames per second, 12 frames per second, 7 frames per second
HDR Mode - Auto HDR mode
Additional Features RGB primary colour filter, digital image rotation, histogram display, cropping an image, resizing an image, Scene Detection Technology, interval shooting mode, Dynamic Range Adjustment, in-camera RAW processing, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dual Axis Electronic Level, date stamp, Lens Distortion Correction Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction
OTHERS Pentax K-50 Pentax K-3 Mark III
Included Accessories Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover
Software Drivers & Utilities, SILKYPIX Developer Studio 3.0 Digital Camera Utility 5
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C -10 °C
Service & Support - Limited warranty - 1 year
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