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Pentax K-5 vs Sony A99

Portability
60
Imaging
56
Features
82
Overall
66
Pentax K-5 front
 
Sony SLT-A99 front
Portability
57
Imaging
69
Features
88
Overall
76

Pentax K-5 vs Sony A99 Key Specs

Pentax K-5
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 80 - 12800 (Boost to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 740g - 131 x 97 x 73mm
  • Announced December 2010
  • Superseded the Pentax K-7
  • Refreshed by Pentax K-5 IIs
Sony A99
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 812g - 147 x 111 x 78mm
  • Introduced December 2012
  • Replaced the Sony A900
  • Updated by Sony A99 II
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Pentax K-5 vs Sony A99 Overview

Below is a thorough comparison of the Pentax K-5 versus Sony A99, both Advanced DSLR cameras by manufacturers Pentax and Sony. There is a huge difference among the sensor resolutions of the K-5 (16MP) and A99 (24MP) and the K-5 (APS-C) and A99 (Full frame) feature totally different sensor size.

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The K-5 was manufactured 24 months prior to the A99 making the cameras a generation apart from each other. Each of these cameras come with the identical body type (Mid-size SLR).

Before getting through a in depth comparison, below is a quick view of how the K-5 grades vs the A99 when considering portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-5 over the Sony A99

 K-5 A99 

Reasons to pick Sony A99 over the Pentax K-5

 A99 K-5 
IntroducedDecember 2012December 2010More recent by 24 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1229k921kSharper display (+308k dot)
Selfie screen Easy selfies

Common features in the Pentax K-5 and Sony A99

 K-5 A99 
Manual focus Dial exact focusing
Display dimension3"3"Identical display size
Touch display Neither contains Touch display

Pentax K-5 vs Sony A99 Physical Comparison

If you are intending to lug around your camera, you should factor its weight and volume. The Pentax K-5 has got exterior measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 740 grams (1.63 lbs) whilst the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") having a weight of 812 grams (1.79 lbs).

Look at the Pentax K-5 versus Sony A99 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at that moment. Below is the front view sizing comparison of the K-5 compared to the A99.

Pentax K-5 vs Sony A99 size comparison

Considering size and weight, the portability grade of the K-5 and A99 is 60 and 57 respectively.

Pentax K-5 vs Sony A99 top view buttons comparison

Pentax K-5 vs Sony A99 Sensor Comparison

In many cases, it can be tough to envision the gap in sensor measurements only by going through specifications. The photograph below might offer you a far better sense of the sensor measurements in the K-5 and A99.

To sum up, both cameras posses different megapixels and different sensor measurements. The K-5 due to its smaller sensor will make getting shallower DOF harder and the Sony A99 will show greater detail due to its extra 8 Megapixels. Greater resolution will also make it easier to crop photos somewhat more aggressively. The older K-5 will be behind in sensor innovation.

Pentax K-5 vs Sony A99 sensor size comparison

Pentax K-5 vs Sony A99 Screen and ViewFinder

Pentax K-5 vs Sony A99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 as a Portrait photography camera
Sony A99 as a Portrait photography camera
73
manual focus
good MP (16MP)
sensor size is good (APS-C)
features face detection autofocus
supports RAW formats
81
you can focus manually
megapixel count decent (24MP)
sensor size is big (Full frame)
supports face detect autofocus
saves RAW formats
Photography Glossary

Street Comparison

Pentax K-5 Street photography factors
Sony A99 Street photography factors
66
image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
environment proofing
screen does not articulate
75
screen articulates fully
has image stabilization (Sensor based)
sensor size is big (Full frame)
saves RAW formats
environment proof
above average high ISO (25,600)
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Sports Comparison

Sports photography with Pentax K-5
Sports photography with Sony A99
78
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based)
good MP (16MP)
sensor size is good (APS-C)
features tracking autofocus
environment proofing
sensor has phase detect autofocus
78
great max shutter speed (1/8,000s)
has image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is big (Full frame)
supports tracking focus
environment proof
has phase detect autofocus
low battery (500 per charge)
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Travel Comparison

Pentax K-5 Travel photography details
Sony A99 Travel photography details
65
environment proofing
good MP (16MP)
flash built-in
does not offer selfie friendly display
60
environment proof
megapixel count decent (24MP)
screen is selfie friendly
does not have Timelapse recording
low battery (500 per charge)
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Landscape Comparison

Pentax K-5 Landscape photography information
Sony A99 Landscape photography information
78
manual focus
switch lenses (Pentax KAF2 mount)
screen size is good (3 inches)
image stabilization (Sensor based)
good MP (16 megapixels)
sensor size is good (APS-C)
supports RAW formats
environment proofing
74
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
nice screen size (3 inch)
has image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is big (Full frame)
above average high ISO (25,600)
saves RAW formats
environment proof
two card slots
low battery (500 CIPA)
does not have Timelapse recording
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Vlogging Comparison

Vlogging with Pentax K-5
Vlogging with Sony A99
33
image stabilization (Sensor based)
features face detection autofocus
video resolution high (1920 x 1080 resolution)
includes external mic socket
does not offer selfie friendly display
76
screen is selfie friendly
has image stabilization (Sensor based)
supports face detect autofocus
high res video (1920 x 1080 resolution)
has microphone socket
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Pentax K-5 vs Sony A99 Specifications

Detailed spec comparison table for Pentax K-5 and Sony A99
 Pentax K-5Sony SLT-A99
General Information
Make Pentax Sony
Model type Pentax K-5 Sony SLT-A99
Class Advanced DSLR Advanced DSLR
Announced 2010-12-18 2012-12-12
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Prime II Bionz
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor measurements 23.7 x 15.7mm 35.8 x 23.8mm
Sensor area 372.1mm² 852.0mm²
Sensor resolution 16 megapixel 24 megapixel
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest resolution 4928 x 3264 6000 x 4000
Highest native ISO 12800 25600
Highest boosted ISO 51200 -
Minimum native ISO 80 100
RAW format
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 11 19
Cross type focus points 9 11
Lens
Lens support Pentax KAF2 Sony/Minolta Alpha
Available lenses 151 143
Focal length multiplier 1.5 1
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal 3 inches 3 inches
Resolution of screen 921 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch display
Screen tech TFT LCD monitor TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.71x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/8000 seconds
Continuous shooting rate 7.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 13.00 m (at ISO 100) no built-in flash
Flash settings Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Maximum flash synchronize 1/180 seconds 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 1920x1080 1920x1080
Video format Motion JPEG MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional BuiltIn
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 740 grams (1.63 lb) 812 grams (1.79 lb)
Dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 147 x 111 x 78mm (5.8" x 4.4" x 3.1")
DXO scores
DXO All around rating 82 89
DXO Color Depth rating 23.7 25.0
DXO Dynamic range rating 14.1 14.0
DXO Low light rating 1162 1555
Other
Battery life 980 photos 500 photos
Form of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-FM500H
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
Card slots 1 2
Launch cost $800 $1,998