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Pentax KP vs Sony A77

Portability
61
Imaging
68
Features
76
Overall
71
Pentax KP front
 
Sony SLT-A77 front
Portability
59
Imaging
64
Features
83
Overall
71

Pentax KP vs Sony A77 Key Specs

Pentax KP
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 703g - 132 x 101 x 76mm
  • Announced January 2017
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Push to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Previous Model is Sony A700
  • Refreshed by Sony A77 II
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Pentax KP vs Sony A77 Overview

Its time to look a bit more closely at the Pentax KP versus Sony A77, both Advanced DSLR digital cameras by competitors Pentax and Sony. The resolution of the KP (24MP) and the A77 (24MP) is pretty similar and they come with the same exact sensor sizes (APS-C).

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The KP was unveiled 5 years after the A77 which is quite a significant difference as far as tech is concerned. Both cameras offer the identical body type (Mid-size SLR).

Before we go through a comprehensive comparison, below is a quick synopsis of how the KP scores vs the A77 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax KP over the Sony A77

 KP A77 
IntroducedJanuary 2017October 2011Newer by 64 months

Reasons to pick Sony A77 over the Pentax KP

 A77 KP 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Common features in the Pentax KP and Sony A77

 KP A77 
Manual focus More precise focus
Screen sizing3"3"Equivalent screen dimensions
Screen resolution921k921kSame screen resolution
Touch screen Absent Touch screen

Pentax KP vs Sony A77 Physical Comparison

If you are planning to travel with your camera often, you are going to need to take into account its weight and dimensions. The Pentax KP features outside measurements of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") accompanied by a weight of 703 grams (1.55 lbs) and the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Take a look at the Pentax KP versus Sony A77 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ dependant on the lens you are working with during that time. Below is the front view measurement comparison of the KP vs the A77.

Pentax KP vs Sony A77 size comparison

Looking at size and weight, the portability score of the KP and A77 is 61 and 59 respectively.

Pentax KP vs Sony A77 top view buttons comparison

Pentax KP vs Sony A77 Sensor Comparison

Usually, its tough to imagine the difference between sensor dimensions purely by reviewing specifications. The picture underneath might give you a much better sense of the sensor sizing in the KP and A77.

Plainly, both the cameras offer the same exact sensor sizing and the exact same resolution therefore you can expect similar quality of pictures although you would want to consider the launch date of the products into consideration. The more recent KP should have an advantage with regard to sensor innovation.

Pentax KP vs Sony A77 sensor size comparison

Pentax KP vs Sony A77 Screen and ViewFinder

Pentax KP vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax KP Portrait photography features
Sony A77 Portrait photography features
80
focusing manually
decent sensor resolution (24MP)
decent sensor size (APS-C)
offers face detect focus
saves RAW files
78
has manual focus
megapixel count good (24MP)
sensor size is good (APS-C)
supports face detection focus
delivers RAW formats
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Street Comparison

Pentax KP as a Street photography camera
Sony A77 as a Street photography camera
76
has a tilting screen
has image stabilization (Sensor based 5-axis)
decent sensor size (APS-C)
saves RAW files
environment sealing
above average high ISO (819,200)
75
screen articulates
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
weather sealing
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Sports Comparison

Sports photography with Pentax KP
Sports photography with Sony A77
72
high shutter speed (1/6,000s)
silent mode (1/24,000s)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
decent sensor size (APS-C)
offers tracking focus
environment sealing
not so great battery (390 per charge)
no phase detect auto focus
74
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based)
megapixel count good (24MP)
sensor size is good (APS-C)
weather sealing
comes with phase detect auto focus
bad battery life (470 CIPA)
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Travel Comparison

Travel photography with Pentax KP
Travel photography with Sony A77
62
environment sealing
decent sensor resolution (24MP)
has built in flash
not so great battery (390 per charge)
screen isn't selfie friendly
63
weather sealing
megapixel count good (24 megapixels)
flash built-in
display is selfie friendly
lack of Time Lapse function
bad battery life (470 shots)
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Landscape Comparison

Pentax KP Landscape photography advice
Sony A77 Landscape photography advice
78
focusing manually
swap lenses (Pentax KAF2 mount)
screen size is good (3 inch)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
decent sensor size (APS-C)
above average high ISO (819,200)
saves RAW files
environment sealing
not so great battery (390 shots)
71
has manual focus
switch lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inches)
image stabilization (Sensor based)
megapixel count good (24 megapixels)
sensor size is good (APS-C)
delivers RAW formats
weather sealing
bad battery life (470 shots)
lack of Time Lapse function
Leica struggles with L-Mount camera sales, tougher than Q or M

Vlogging Comparison

Pentax KP as a Vlogging camera
Sony A77 as a Vlogging camera
35
has image stabilization (Sensor based 5-axis)
offers face detect focus
high quality video (1920 x 1080 pxls)
does have mic socket
screen isn't selfie friendly
76
display is selfie friendly
image stabilization (Sensor based)
supports face detection focus
high quality video (1920 x 1080 pixels)
does have external mic support
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Pentax KP vs Sony A77 Specifications

Detailed spec comparison table for Pentax KP and Sony A77
 Pentax KPSony SLT-A77
General Information
Brand Name Pentax Sony
Model type Pentax KP Sony SLT-A77
Category Advanced DSLR Advanced DSLR
Announced 2017-01-26 2011-10-25
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Chip PRIME IV Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.5 x 15.6mm
Sensor area 366.6mm² 366.6mm²
Sensor resolution 24 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Max resolution 6016 x 4000 6000 x 4000
Max native ISO 819200 16000
Max enhanced ISO - 25600
Lowest native ISO 100 50
RAW support
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 27 19
Cross type focus points 25 11
Lens
Lens support Pentax KAF2 Sony/Minolta Alpha
Amount of lenses 151 143
Crop factor 1.5 1.5
Screen
Type of display Tilting Fully Articulated
Display size 3 inch 3 inch
Resolution of display 921k dots 921k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.63x 0.73x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/6000 seconds 1/8000 seconds
Fastest quiet shutter speed 1/24000 seconds -
Continuous shutter rate 7.0fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 6.00 m (at ISO 100) 12.00 m
Flash options Auto, auto w/redeye reduction, flash on w/redeye reduction, slow sync, trailing curtain sync, manual, wireless Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize - 1/250 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60i, 30p) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional BuiltIn
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 703 gr (1.55 pounds) 732 gr (1.61 pounds)
Dimensions 132 x 101 x 76mm (5.2" x 4.0" x 3.0") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life 390 photographs 470 photographs
Form of battery Battery Pack Battery Pack
Battery ID D-LI109 NP-FM500H
Self timer Yes (2 or 12 secs) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC (UHS-I supported) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Cost at release $747 $900