Pentax K-50 vs. Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Camera Comparison, Reviews and Tests

Pentax K-50

Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

In depth comparison and review of Pentax K-50 and Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom. 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. Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom Comparison Chart

DESIGN AND DIMENSIONS	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Product Type	Digital camera - 1080p - SLR with Live View mode, movie recording	Digital camera - 4K - mirrorless system
Lens Included	Body only	Body only
Height	9.65 cm	9.56 cm
Width	12.9 cm	12.69 cm
Depth	7 cm	7.37 cm
Weight	590 g	650 g
Weight Details	-	Camera with battery and memory card: 650 g
Body Material	Stainless steel, fibre reinforced polycarbonate	-
Enclosure Colour	Black \| White \| Red	Black
Protection	Weatherproof, freezeproof, dust-resistant	Dust-resistant, moisture-resistant
Digital Zoom	-	4x

SENSOR	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Sensor Resolution	16.3 Megapixel	24.2 Megapixel
Optical Sensor Type	CMOS	Exmor R CMOS
Total Pixels	16,500,000 pixels	25,300,000 pixels
Effective Sensor Resolution	16,300,000 pixels	24,200,000 pixels
Optical Sensor Size	APS-C (23.7 x 15.7 mm)	Full Frame (35.6 x 23.8 mm)
Frame Rate (Max Resolution)	-	30 fps
Sensor Dust Reduction	Yes	Yes
Sensor Features	Dust Reduction (image sensor vibration), Special Protect (SP) coating	Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser	Optical (image sensor shift mechanism)	Optical (5-axis Steady Shot)
Built-in Optical Image Stabiliser	Yes	Yes
Sensors	-	Digital level metre

PROCESSOR	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Image Processor	PRIME M	BIONZ X

LENS	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Type	-	Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom
Focal Length Equivalent to 35mm Camera	-	36 - 157.5mm
Focus Adjustment	-	Automatic, manual
Min Focus Distance	-	38 cm
Max View Angle	-	84 degree(s)
Zoom Adjustment	-	Manual
Lens Construction	-	14 groups / 17 elements
Filter Size	-	77 mm
Lens Mounting Type	Pentax KAF2	Sony E-mount
Features	-	ED glass, aspherical lens, dustproof, AA (advanced aspherical) lens, moisture-resistant, Direct Drive Super Sonic wave Motor (DDSSM), fluorine coating, Nano AR Coating

FOCUSING	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Auto Focus	TTL contrast and phase detection	TTL contrast and phase detection
Auto Focus Points (Zones) Qty	11	693
Auto Focus Features	Focus Peaking function	Focus Peaking function
AE/AF Control	Face-priority AF, Subject-tracking AF	Face-priority AF, Touch Area AF
Face Detection	Yes	Face-priority AF function

VIEWFINDER	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

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	0.92x	0.78x
Optical Viewfinder Dioptric Correction Range	-2.5 to +1.5	-4 to +3
Interchangeable Focusing Screens	Yes	-
Features	-	Viewfinder brightness control, colour temperature control

EXPOSURE & WHITE BALANCE	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

ISO (Max)	51200	204800
Native ISO	-	100-51200
Extended ISO (Max)	-	204800
Extended ISO (Min)	-	50
Light Sensitivity	ISO 100-51200, ISO auto (100-51200)	ISO 50, ISO 102400, ISO 204800, ISO 100-51200
Exposure Metering	Multi-segment, centre-weighted, spot	Multi-segment, centre-weighted, spot
Exposure Metering Zones	77	1200
Exposure Modes	Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority	Programme, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes	-	Flash Exposure Bracketing, white balance 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	Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset
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	Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W)
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)	Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white)
Shutter Type	-	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	3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps
White Balance Bracketing	-	Yes
X-sync Speed	1/180 sec	1/250sec
Exposure Range	EV 0-22 (ISO 100)	EV -3-20 (ISO 100)

DISPLAY	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Type	3" LCD display	2.95" LCD display
Touch Screen	-	Yes
Display Format	921,000 pixels	921,600 pixels
Display Form Factor	Built-in	Folding
Display Features	Display brightness control, display colour control	Display brightness control

FLASH	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

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	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Digital Video Format	H.264	AVCHD, XAVC S
Image Recording Format	JPEG, DNG (RAW) + JPEG, DNG (RAW)	JPEG, RAW, RAW + JPEG
Max Video Resolution	1920 x 1080	3840 x 2160
Audio Signal Format	-	Dolby Digital AC-3 (2 channel), Linear PCM
Microphone Operation Mode	Mono	Stereo
Microphone Features	Sensitivity control	-

MEMORY	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Memory Card Slot	SD card	Memory Stick PRO Duo card, SD card
Supported Memory Cards	SD Memory Card, SDXC Memory Card, SDHC 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, 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	6000 x 4000 3936 x 2624 3008 x 2000 1968 x 1312 6000 x 3376 3936 x 2216 3008 x 1688 1968 x 1112
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	XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 120 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 p - 30 fps - 16Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S - 1920 x 1080 p - 100 fps - 100Mbps XAVC S - 1920 x 1080 p - 100 fps - 60Mbps XAVC S - 1920 x 1080 p - 50 fps - 50Mbps XAVC S - 1920 x 1080 p - 25 fps - 50Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps

BATTERY AND CHARGING	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Battery Type	Pentax D-Li109 Lithium Ion	Sony NP-FZ100 Lithium Ion
Details	Pentax D-Li109 Li-ion rechargeable battery (included)	Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (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 - 710 shots (LCD Monitor on) Photo shooting - 610 shots (EVF on) Video recording - 2.08 hours (LCD Monitor on) Voice recording - 1.92 hours (EVF on)

CONNECTIONS	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Interface	Composite video/audio, USB 2.0	HDMI, USB 3.1, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features	-	Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard	DPOF support, PRINT Image Matching	DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal	Hot shoe	Hot shoe
Connector Type	USB 2.0 Composite video/audio output	USB 3.1 (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)

FEATURES	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Self-Timer Delay	2sec, 12sec	10 sec, 2sec, 5 sec
Continuous Shooting Speed	3 frames per second, 6 frames per second	8 frames per second, 10 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	Built-in speaker, sharpness control, digital image rotation, camera orientation detection, histogram display, saturation control, shadow point display, highlight point display, takes photos while film recording, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, Intelligent AUTO (iAUTO), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting

OTHERS	Pentax K-50	Sony Alpha7 III ILCE-7M3 + Zoom lens 24 - 105 mm - f/4.0 FE G OSS - zoom

Included Accessories	Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap	Eyepiece cover, lens hood, dust cap, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable
Software	Drivers & Utilities, SILKYPIX Developer Studio 3.0	-
Max Operating Temperature	40 °C	40 °C
Min Operating Temperature	-10 °C	0 °C