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Pentax K-50 vs Sony A33

Portability
63
Imaging
58
Features
65
Overall
60
Pentax K-50 front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Pentax K-50 vs Sony A33 Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Introduced November 2013
  • Older Model is Pentax K-30
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Push to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Released August 2010
  • New Model is Sony A35
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Pentax K-50 vs Sony A33 Overview

Its time to look a little more in depth at the Pentax K-50 and Sony A33, both Entry-Level DSLR cameras by companies Pentax and Sony. The sensor resolution of the K-50 (16MP) and the A33 (14MP) is very close and both cameras boast the same sensor size (APS-C).

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The K-50 was released 3 years after the A33 which is a fairly big gap as far as camera technology is concerned. Each of these cameras have the same body design (Compact SLR).

Before delving right into a in-depth comparison, here is a short summary of how the K-50 matches up vs the A33 when considering portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-50 over the Sony A33

 K-50 A33 
ReleasedNovember 2013August 2010Newer by 40 months

Reasons to pick Sony A33 over the Pentax K-50

 A33 K-50 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies

Common features in the Pentax K-50 and Sony A33

 K-50 A33 
Focus manually Very precise focusing
Display dimensions3"3"Equal display size
Display resolution921k921kIdentical display resolution
Touch friendly display Neither contains Touch friendly display

Pentax K-50 vs Sony A33 Physical Comparison

If you're intending to travel with your camera often, you are going to need to factor in its weight and dimensions. The Pentax K-50 has got outer measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") and a weight of 650 grams (1.43 lbs) whilst the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Check the Pentax K-50 and Sony A33 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that moment. Following is a front view scale comparison of the K-50 vs the A33.

Pentax K-50 vs Sony A33 size comparison

Looking at dimensions and weight, the portability rating of the K-50 and A33 is 63 and 67 respectively.

Pentax K-50 vs Sony A33 top view buttons comparison

Pentax K-50 vs Sony A33 Sensor Comparison

Normally, it can be hard to imagine the contrast in sensor dimensions purely by looking through specs. The image here will help offer you a far better sense of the sensor measurements in the K-50 and A33.

As you can plainly see, both of those cameras have the same sensor dimensions but different megapixels. You should expect to see the Pentax K-50 to provide you with greater detail as a result of its extra 2MP. Greater resolution can also let you crop images a bit more aggressively. The more modern K-50 should have an edge in sensor tech.

Pentax K-50 vs Sony A33 sensor size comparison

Pentax K-50 vs Sony A33 Screen and ViewFinder

Pentax K-50 vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 Portrait photography features
Sony A33 Portrait photography features
74
you can focus manually
good megapixels (16 megapixels)
nice sensor size (APS-C)
provides face detection focus
saves RAW files
72
you can focus manually
MP count decent (14MP)
good sensor size (APS-C)
features face detection focus
saves RAW formats
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Street Comparison

Pentax K-50 Street photography highlights
Sony A33 Street photography highlights
65
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
environment sealing
good high ISO (51,600)
no articulating screen
heavier than competitors in class (650 grams)
76
screen articulates
has image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW formats
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Sports Comparison

Sports photography with Pentax K-50
Sports photography with Sony A33
67
maximum shutter speed is high (1/6,000s)
has image stabilization (Sensor based)
good megapixels (16MP)
nice sensor size (APS-C)
provides tracking autofocus
environment sealing
comes with phase detect auto focus
continuous shooting slow (6.0 frames/s)
not so great battery (410 shots)
67
has image stabilization (Sensor based)
MP count decent (14MP)
good sensor size (APS-C)
has phase detect auto focus
bad battery (340 CIPA)
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Travel Comparison

Travel photography with Pentax K-50
Travel photography with Sony A33
56
environment sealing
good megapixels (16MP)
has built in flash
not so great battery (410 shots)
heavier than competitors in class (650 grams)
display isn't selfie friendly
61
MP count decent (14 megapixels)
flash built-in
selfie friendly screen
doesn't have Timelapse mode
bad battery (340 CIPA)
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Landscape Comparison

Pentax K-50 Landscape photography details
Sony A33 Landscape photography details
74
you can focus manually
switch lenses (Pentax KAF2 mount)
screen is a good size (3 inch)
has image stabilization (Sensor based)
good megapixels (16MP)
nice sensor size (APS-C)
good high ISO (51,600)
saves RAW files
environment sealing
not so great battery (410 CIPA)
67
you can focus manually
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3")
has image stabilization (Sensor based)
MP count decent (14MP)
good sensor size (APS-C)
saves RAW formats
bad battery (340 CIPA)
doesn't have Timelapse mode
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Vlogging Comparison

Pentax K-50 Vlogging advice
Sony A33 Vlogging advice
28
has image stabilization (Sensor based)
provides face detection focus
high video quality (1920 x 1080 resolution)
display isn't selfie friendly
lack of external mic jack
heavier than competitors in class (650 grams)
77
selfie friendly screen
has image stabilization (Sensor based)
features face detection focus
video res high (1920 x 1080 pxls)
has external microphone socket
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Pentax K-50 vs Sony A33 Specifications

Detailed spec comparison table for Pentax K-50 and Sony A33
 Pentax K-50Sony SLT-A33
General Information
Make Pentax Sony
Model type Pentax K-50 Sony SLT-A33
Category Entry-Level DSLR Entry-Level DSLR
Introduced 2013-11-27 2010-08-24
Physical type Compact SLR Compact SLR
Sensor Information
Powered by PRIME M Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.7 x 15.7mm 23.5 x 15.6mm
Sensor area 372.1mm² 366.6mm²
Sensor resolution 16MP 14MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 4928 x 3264 4592 x 3056
Max native ISO 51600 12800
Max boosted ISO - 25600
Minimum native ISO 100 100
RAW pictures
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 15
Cross type focus points 9 3
Lens
Lens support Pentax KAF2 Sony/Minolta Alpha
Number of lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Type of screen Fixed Type Fully Articulated
Screen diagonal 3 inches 3 inches
Screen resolution 921k dots 921k dots
Selfie friendly
Liveview
Touch function
Screen tech TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 1,150k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.61x 0.73x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/6000 secs 1/4000 secs
Continuous shooting rate 6.0 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash distance 12.00 m (at ISO 100) 10.00 m (@ ISO 100)
Flash settings Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize 1/180 secs 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported 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) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 650g (1.43 pounds) 500g (1.10 pounds)
Physical dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around rating 79 70
DXO Color Depth rating 23.7 22.8
DXO Dynamic range rating 13.0 12.6
DXO Low light rating 1120 591
Other
Battery life 410 images 340 images
Battery type Battery Pack Battery Pack
Battery ID D-LI109 NP-FW50
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Cost at launch $610 $230