Pentax K-3 vs. Sony Alpha77 II ILCA-77M2Q + DT 16-50mm

Camera Comparison, Reviews and Tests
Pentax K-3
Sony Alpha77 II ILCA-77M2Q + DT 16-50mm

In depth comparison and review of Pentax K-3 and Sony Alpha77 II ILCA-77M2Q + DT 16-50mm. 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-3 vs. Sony Alpha77 II ILCA-77M2Q + DT 16-50mm Comparison Chart
DESIGN AND DIMENSIONS Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Product Type Digital camera - SLR with movie recording Digital camera - SLR with Live View mode, movie recording
Lens Included Body only DT 16-50mm lens
Height 10 cm 10.42 cm
Width 13.15 cm 14.2 cm
Depth 7.75 cm 8.09 cm
Weight 715 g 647 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black Black
Protection Weatherproof, freezeproof, dust-resistant Weatherproof
Optical Zoom - 3x
SENSOR Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Sensor Resolution 23.35 Megapixel 24.3 Megapixel
Optical Sensor Type CMOS Exmor APS HD CMOS
Total Pixels 24,710,000 pixels 24,700,000 pixels
Effective Sensor Resolution 23,350,000 pixels 24,300,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) APS-C (23.5 x 15.6 mm)
Sensor Dust Reduction - Yes
Sensor Features Dust Reduction (image sensor vibration), anti-aliasing simulator function Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser Optical (image sensor shift mechanism) Optical (SteadyShot INSIDE)
Built-in Optical Image Stabiliser Yes Yes
Sensors Dust alert sensor, digital level metre -
PROCESSOR Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Image Processor PRIME III BIONZ X
LENS Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Type - Zoom lens - 3x zoom - 16 - 50 mm - f/2.8 DT
Focal Length Equivalent to 35mm Camera - 24 - 75mm
Focus Adjustment - Automatic, manual
Min Focus Distance - 30 cm
Max View Angle - 83 degree(s)
Zoom Adjustment - Manual
Lens Construction - 13 groups / 16 elements
Filter Size - 72 mm
Lens Mounting Type Pentax K -
Features - ED glass, aspherical lens, Supersonic-Wave Motor (SSM)
FOCUSING Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Auto Focus TTL phase detection TTL phase detection
Auto Focus Points (Zones) Qty 27 79
Auto Focus Features - Predictive Focus Control
AE/AF Control - Subject-tracking AF, Eye detection AF
Face Detection Yes Smile Shutter
VIEWFINDER Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 2,359,296 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.95x 1.09x
Optical Viewfinder Dioptric Correction Range -2.5 to +1.5 -4 to +3
Field of View Crop Factor - 1.5
Interchangeable Focusing Screens Yes -
EXPOSURE & WHITE BALANCE Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
ISO (Max) 51200 25600
Native ISO 100-51200 50-25600
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO auto (100-25600), ISO 100 - 25600
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot
Exposure Metering Zones - 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority
Shooting Programs - Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight
Special Effects Soft, Slim, Pastel, 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, Bold Monochrome, Unicolour Bold Black & White, Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Night Scene
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), Color Temperature Enhancement (CTE), fluorescent light (daylight white) Incandescent, Flash, fluorescent light (cool white), fluorescent light (warm white), 2500K - 9900K, fluorescent light (daylight white), Colour Filter (G7 - M7), Colour Filter (A7 - B7)
Shutter Type Mechanical electronically-controlled Mechanical electronically-controlled
Max Shutter Speed 1/8000 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 2, 3 or 5 steps -
White Balance Bracketing - Yes
X-sync Speed 1/180 sec 1/250sec
Exposure Range EV -3-20 (ISO 100) EV -2-17 (ISO 100)
DISPLAY Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Type 3.2" LCD display 3" LCD display
Display Format 1,037,000 pixels 1,228,800 pixels
Display Form Factor Built-in Rotating
Display Features Colour control Contrast control, display brightness control
FLASH Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Camera Flash Pop-up flash Pop-up flash
Guide Number (m / ISO 100) 13 12
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction
Red-Eye Reduction Yes Yes
Features AF illuminator, flash +/- compensation, wireless off-camera control AF illuminator, flash +/- compensation, wireless off-camera control
VIDEOGRAPHY / CAMCORDER Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Digital Video Format AVI, MJPEG, H.264 AVCHD, H.264
Image Recording Format JPEG, DNG (RAW) + JPEG, DNG (RAW) JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 1920 x 1080
Surround Sound - Dolby Digital AC-3 (2 channel) recording
Microphone Operation Mode Mono Stereo
Microphone Features Sensitivity control -
MEMORY Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Memory Card Slot Dual SD card Memory Stick PRO Duo card, SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, Memory Stick XC-HG Duo
Image Storage RAW 6016 x 4000
JPEG 6016 x 4000
JPEG 4608 x 3072
JPEG 3072 x 2048
JPEG 1920 x 1280		 6000 x 4000
4240 x 2832
3008 x 2000
6000 x 3376
4240 x 2400
3008 x 1688
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 - 1920 x 1080 - 60 fps
H.264 - 1920 x 1080 - 50 fps		 AVCHD - 1920 x 1080 - 50 fps - 28Mbps
AVCHD - 1920 x 1080 - 50 fps - 24Mbps
AVCHD - 1920 x 1080 - 50 fps - 17Mbps
AVCHD - 1920 x 1080 - 25 fps - 24Mbps
AVCHD - 1920 x 1080 - 25 fps - 17Mbps
H.264 - 1440 x 1080 - 30 fps - 12Mbps
H.264 - 640 x 480 - 30 fps - 3Mbps
BATTERY AND CHARGING Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Battery Type Pentax D-Li90 Lithium Ion Sony NP-FM500H Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Sony NP-FM500H Li-ion rechargeable battery (included)
Battery Life Photo shooting - 560 shots (50% flash usage)
Photo shooting - 720 shots (flash off)
Playback - 6.2 hours		 Photo shooting - 410 shots (EVF on)
Photo shooting - 480 shots (LCD Monitor on)
CONNECTIONS Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Interface HDMI, USB 3.0 HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication)
Connectivity Features - Remote live view
Print Standard Exif Print support DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
HDMI output
Microphone
Headphones
Remote control		 HDMI output
USB 2.0
Remote control
Microphone
FEATURES Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Self-Timer Delay 2sec, 12sec 10 sec, 2sec
Continuous Shooting Speed 8.3 frames per second 8 frames per second, 3 frames per second, 12 frames per second
HDR Mode Auto HDR mode -
Additional Features Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready RGB primary colour filter, date/time stamp, sharpness control, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, LCD live view mode, Dynamic Range Optimizer, face detection, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), NR Slow Shutter, High ISO NR, Superior Auto mode, BRAVIA Sync function, Translucent Mirror technology
OTHERS Pentax K-3 Sony Alpha77 II ILCA-77M2Q + DT 16-50mm
Included Accessories Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover Eyepiece cover, lens hood, battery charger, dust cap, body cap, lens cap, shoulder strap, shoe cap, micro-USB cable
Software Drivers & Utilities Sony Picture Motion Browser, Sony Image Data Converter SR, Sony Image Data Lightbox SR
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C 0 °C
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