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Pentax K-50 vs Sony A850

Portability
63
Imaging
58
Features
65
Overall
60
Pentax K-50 front
 
Sony Alpha DSLR-A850 front
Portability
54
Imaging
68
Features
60
Overall
64

Pentax K-50 vs Sony A850 Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Revealed November 2013
  • Replaced the Pentax K-30
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Revealed April 2010
Photography Glossary

Pentax K-50 vs Sony A850 Overview

Lets examine more closely at the Pentax K-50 vs Sony A850, one is a Entry-Level DSLR and the latter is a Advanced DSLR by competitors Pentax and Sony. There is a sizeable difference between the sensor resolutions of the K-50 (16MP) and A850 (25MP) and the K-50 (APS-C) and A850 (Full frame) come with totally different sensor sizing.

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The K-50 was manufactured 3 years after the A850 which is quite a large gap as far as tech is concerned. The two cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony A850 being a Mid-size SLR camera.

Before diving straight into a complete comparison, below is a simple overview of how the K-50 grades against the A850 with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-50 over the Sony A850

 K-50 A850 
RevealedNovember 2013April 2010More modern by 45 months

Reasons to pick Sony A850 over the Pentax K-50

 A850 K-50 
Screen resolution922k921kSharper screen (+1k dot)

Common features in the Pentax K-50 and Sony A850

 K-50 A850 
Manual focus Very exact focusing
Screen typeFixed Fixed Fixed screen
Screen dimension3"3"Identical screen measurement
Selfie screen Neither has selfie screen
Touch friendly screen Absent Touch friendly screen

Pentax K-50 vs Sony A850 Physical Comparison

In case you're intending to carry around your camera regularly, you have to factor in its weight and volume. The Pentax K-50 has exterior dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") with a weight of 650 grams (1.43 lbs) whilst the Sony A850 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

Check the Pentax K-50 vs Sony A850 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at that time. Below is the front view proportions comparison of the K-50 vs the A850.

Pentax K-50 vs Sony A850 size comparison

Taking into account size and weight, the portability rating of the K-50 and A850 is 63 and 54 respectively.

Pentax K-50 vs Sony A850 top view buttons comparison

Pentax K-50 vs Sony A850 Sensor Comparison

In many cases, it's difficult to see the gap between sensor sizes only by reading through specs. The picture here will help offer you a better sense of the sensor sizes in the K-50 and A850.

All in all, the two cameras have got different resolutions and different sensor sizes. The K-50 due to its tinier sensor will make achieving shallow DOF harder and the Sony A850 will give you extra detail due to its extra 9 Megapixels. Higher resolution will make it easier to crop shots much more aggressively. The more recent K-50 is going to have an edge in sensor tech.

Pentax K-50 vs Sony A850 sensor size comparison

Pentax K-50 vs Sony A850 Screen and ViewFinder

Pentax K-50 vs Sony A850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 Portrait photography features
Sony A850 Portrait photography features
74
focusing manually
decent MP (16MP)
sensor size is decent (APS-C)
supports face detection focusing
saves RAW formats
72
has manual focus
fantastic MP (25 megapixels)
big sensor size (Full frame)
supports RAW files
no liveview feature
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Street Comparison

Pentax K-50 Street photography features
Sony A850 Street photography features
65
has image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
weather proofing
above average ISO range (51,600)
fixed screen
heavier than competition (650g)
66
built in image stabilization (Sensor based)
big sensor size (Full frame)
supports RAW files
environment proofing
screen is fixed
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Sports Comparison

Pentax K-50 as a Sports photography camera
Sony A850 as a Sports photography camera
67
maximum shutter speed is high (1/6,000 seconds)
has image stabilization (Sensor based)
decent MP (16MP)
sensor size is decent (APS-C)
supports tracking autofocus
weather proofing
comes with phase detect AF
very slow continuous shooting (6.0 frames/s)
low battery (410 CIPA)
71
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based)
fantastic MP (25 megapixels)
big sensor size (Full frame)
environment proofing
has phase detect auto focus
no liveview feature
low fps (3.0 fps)
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Travel Comparison

Pentax K-50 Travel photography features
Sony A850 Travel photography features
56
weather proofing
decent MP (16 megapixels)
has built in flash
low battery (410 CIPA)
heavier than competition (650g)
screen is not selfie friendly
55
environment proofing
fantastic MP (25 megapixels)
missing Time Lapse function
display isn't selfie friendly
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Landscape Comparison

Pentax K-50 Landscape photography highlights
Sony A850 Landscape photography highlights
74
focusing manually
swap lenses (Pentax KAF2 mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based)
decent MP (16 megapixels)
sensor size is decent (APS-C)
above average ISO range (51,600)
saves RAW formats
weather proofing
low battery (410 per charge)
73
has manual focus
switch lenses (Sony/Minolta Alpha mount)
good sized screen (3 inch)
built in image stabilization (Sensor based)
fantastic MP (25MP)
big sensor size (Full frame)
supports RAW files
environment proofing
has double storage slots
no liveview feature
missing Time Lapse function
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Vlogging Comparison

Pentax K-50 Vlogging info
Sony A850 Vlogging info
28
has image stabilization (Sensor based)
supports face detection focusing
good video quality (1920 x 1080 pixels)
screen is not selfie friendly
does not have external mic socket
heavier than competition (650 grams)
9
no video shooting
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Pentax K-50 vs Sony A850 Specifications

Detailed spec comparison table for Pentax K-50 and Sony A850
 Pentax K-50Sony Alpha DSLR-A850
General Information
Make Pentax Sony
Model Pentax K-50 Sony Alpha DSLR-A850
Category Entry-Level DSLR Advanced DSLR
Revealed 2013-11-27 2010-04-15
Body design Compact SLR Mid-size SLR
Sensor Information
Chip PRIME M Bionz
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.7 x 15.7mm 35.9 x 24mm
Sensor surface area 372.1mm² 861.6mm²
Sensor resolution 16MP 25MP
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Max resolution 4928 x 3264 6048 x 4032
Max native ISO 51600 3200
Max enhanced ISO - 6400
Minimum native ISO 100 200
RAW format
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 11 9
Cross focus points 9 -
Lens
Lens mount Pentax KAF2 Sony/Minolta Alpha
Amount of lenses 151 143
Focal length multiplier 1.5 1
Screen
Display type Fixed Type Fixed Type
Display diagonal 3" 3"
Display resolution 921 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch friendly
Display technology TFT LCD monitor with brightness/color adjustment and AR coating TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 98%
Viewfinder magnification 0.61x 0.74x
Features
Min shutter speed 30s 30s
Max shutter speed 1/6000s 1/8000s
Continuous shutter speed 6.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) no built-in flash
Flash modes Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
White balance bracketing
Max flash sync 1/180s 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps) -
Max video resolution 1920x1080 None
Video data format MPEG-4, H.264 -
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 650g (1.43 lbs) 895g (1.97 lbs)
Dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO Overall score 79 79
DXO Color Depth score 23.7 23.8
DXO Dynamic range score 13.0 12.2
DXO Low light score 1120 1415
Other
Battery life 410 photographs 880 photographs
Style of battery Battery Pack Battery Pack
Battery model D-LI109 NP-FM500H
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Storage slots One 2
Retail cost $610 $0