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Pentax K-5 II vs Sony TX66

Portability
60
Imaging
57
Features
82
Overall
67
Pentax K-5 II front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
42
Features
51
Overall
45

Pentax K-5 II vs Sony TX66 Key Specs

Pentax K-5 II
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Boost to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Introduced June 2013
  • Succeeded the Pentax K-5
Sony TX66
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Display
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 109g - 93 x 54 x 13mm
  • Launched February 2012
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Pentax K-5 II vs Sony TX66 Overview

Here is a comprehensive review of the Pentax K-5 II versus Sony TX66, former being a Advanced DSLR while the other is a Ultracompact by manufacturers Pentax and Sony. The image resolution of the K-5 II (16MP) and the TX66 (18MP) is very similar but the K-5 II (APS-C) and TX66 (1/2.3") have different sensor dimensions.

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The K-5 II was released 16 months later than the TX66 making them a generation apart from one another. Both of these cameras have different body design with the Pentax K-5 II being a Mid-size SLR camera and the Sony TX66 being a Ultracompact camera.

Before getting right into a thorough comparison, here is a short synopsis of how the K-5 II matches up vs the TX66 for portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-5 II over the Sony TX66

 K-5 II TX66 
LaunchedJune 2013February 2012Fresher by 16 months

Reasons to pick Sony TX66 over the Pentax K-5 II

 TX66 K-5 II 
Display dimensions3.3"3"Larger display (+0.3")
Display resolution1230k921kCrisper display (+309k dot)
Touch display Easily navigate

Common features in the Pentax K-5 II and Sony TX66

 K-5 II TX66 
Manual focus Dial accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen

Pentax K-5 II vs Sony TX66 Physical Comparison

For those who are intending to carry your camera often, you have to factor in its weight and dimensions. The Pentax K-5 II comes with physical measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 760 grams (1.68 lbs) and the Sony TX66 has dimensions of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") along with a weight of 109 grams (0.24 lbs).

Check out the Pentax K-5 II versus Sony TX66 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ dependant on the lens you are employing at the time. Here is a front view dimensions comparison of the K-5 II vs the TX66.

Pentax K-5 II vs Sony TX66 size comparison

Looking at dimensions and weight, the portability grade of the K-5 II and TX66 is 60 and 97 respectively.

Pentax K-5 II vs Sony TX66 top view buttons comparison

Pentax K-5 II vs Sony TX66 Sensor Comparison

More often than not, it is very tough to picture the gap between sensor sizing purely by going over specifications. The visual underneath should offer you a stronger sense of the sensor measurements in the K-5 II and TX66.

To sum up, the 2 cameras provide different megapixel count and different sensor sizing. The K-5 II due to its larger sensor is going to make shooting shallower depth of field simpler and the Sony TX66 will deliver greater detail as a result of its extra 2 Megapixels. Greater resolution will let you crop pics more aggressively. The more modern K-5 II provides an advantage in sensor innovation.

Pentax K-5 II vs Sony TX66 sensor size comparison

Pentax K-5 II vs Sony TX66 Screen and ViewFinder

Pentax K-5 II vs Sony TX66 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 II Portrait photography factors
Sony TX66 Portrait photography factors
74
focusing manually
good resolution (16MP)
good sensor size (APS-C)
comes with face detect focus
delivers RAW formats
42
you can focus manually
good megapixels (18MP)
offers face detection focusing
lack of manual exposure
no external flash support
very small sensor (1/2.3")
does not have RAW files
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Street Comparison

Pentax K-5 II Street photography details
Sony TX66 Street photography details
66
has image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
environment sealing
screen is fixed
64
image stabilization (Optical)
features focus via touch
screen is fixed
very small sensor (1/2.3")
does not have RAW files
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Sports Comparison

Sports photography with Pentax K-5 II
Sports photography with Sony TX66
78
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
good resolution (16MP)
good sensor size (APS-C)
comes with tracking focus
environment sealing
comes with phase detect auto focus
49
image stabilization (Optical)
good megapixels (18MP)
offers tracking autofocus
better than average battery life (250 per charge)
no shutter priority mode
very small sensor (1/2.3")
does not have phase detect AF
Photography Glossary

Travel Comparison

Pentax K-5 II as a Travel photography camera
Sony TX66 as a Travel photography camera
65
environment sealing
good resolution (16MP)
has built in flash
does not have selfie friendly display
72
better than average battery life (250 CIPA)
features focus via touch
good megapixels (18 megapixels)
has built in flash
fairly wide (26mm)
missing Time Lapse recording
does not have a selfie friendly display
slow max aperture (f3.5)
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Landscape Comparison

Pentax K-5 II Landscape photography advice
Sony TX66 Landscape photography advice
78
focusing manually
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3")
has image stabilization (Sensor based)
good resolution (16MP)
good sensor size (APS-C)
delivers RAW formats
environment sealing
51
you can focus manually
fairly wide (26mm)
screen size is good (3.3 inches)
image stabilization (Optical)
good megapixels (18 megapixels)
better than average battery life (250 per charge)
fixed lens (fixed lens mount)
slow max aperture (f3.5)
lack of manual exposure
very small sensor (1/2.3")
does not have RAW files
missing Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K-5 II
Vlogging with Sony TX66
33
has image stabilization (Sensor based)
comes with face detect focus
video resolution high (1920 x 1080 pxls)
does have microphone port
does not have selfie friendly display
36
fairly wide (26mm)
screen is touchscreen
image stabilization (Optical)
offers face detection focusing
video res high (1920 x 1080 pxls)
slow max aperture (f3.5)
does not have a selfie friendly display
missing external mic support
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Pentax K-5 II vs Sony TX66 Specifications

Detailed spec comparison table for Pentax K-5 II and Sony TX66
 Pentax K-5 IISony Cyber-shot DSC-TX66
General Information
Brand Name Pentax Sony
Model type Pentax K-5 II Sony Cyber-shot DSC-TX66
Category Advanced DSLR Ultracompact
Introduced 2013-06-04 2012-02-28
Physical type Mid-size SLR Ultracompact
Sensor Information
Chip Prime II BIONZ
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor dimensions 23.7 x 15.7mm 6.17 x 4.55mm
Sensor area 372.1mm² 28.1mm²
Sensor resolution 16 megapixels 18 megapixels
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Peak resolution 4928 x 3264 4896 x 3672
Highest native ISO 12800 12800
Highest enhanced ISO 51200 -
Lowest native ISO 100 80
RAW pictures
Lowest enhanced ISO 80 -
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 11 -
Cross type focus points 9 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 26-130mm (5.0x)
Highest aperture - f/3.5-4.8
Macro focusing distance - 1cm
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of display Fixed Type Fixed Type
Display sizing 3" 3.3"
Resolution of display 921k dots 1,230k dots
Selfie friendly
Liveview
Touch operation
Display technology TFT LCD monitor XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.61x -
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/8000s 1/4000s
Continuous shutter rate 7.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) 3.10 m
Flash modes Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, On, Off, Slow Sync, Rear Slow Sync
Hot shoe
AE bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 1920x1080
Video data format Motion JPEG MPEG-4, AVCHD
Mic support
Headphone support
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 760g (1.68 pounds) 109g (0.24 pounds)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 93 x 54 x 13mm (3.7" x 2.1" x 0.5")
DXO scores
DXO Overall rating 82 not tested
DXO Color Depth rating 23.8 not tested
DXO Dynamic range rating 14.1 not tested
DXO Low light rating 1235 not tested
Other
Battery life 980 photos 250 photos
Battery style Battery Pack Battery Pack
Battery ID D-LI90 NP-BN
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage type SD/SDHC/SDXC Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Card slots One One
Retail price $830 $350