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Pentax K-1 II vs Sony TX66

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
41
Features
51
Overall
45

Pentax K-1 II vs Sony TX66 Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Introduced February 2018
  • Previous Model is Pentax K-1
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
  • Introduced February 2012
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Pentax K-1 II vs Sony TX66 Overview

The following is a in depth comparison of the Pentax K-1 II versus Sony TX66, one is a Advanced DSLR and the other is a Ultracompact by manufacturers Pentax and Sony. There is a sizeable difference among the image resolutions of the K-1 II (36MP) and TX66 (18MP) and the K-1 II (Full frame) and TX66 (1/2.3") come with totally different sensor size.

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The K-1 II was unveiled 6 years after the TX66 which is a fairly large gap as far as camera tech is concerned. Both cameras come with different body type with the Pentax K-1 II being a Mid-size SLR camera and the Sony TX66 being a Ultracompact camera.

Before going straight into a full comparison, below is a quick introduction of how the K-1 II matches up vs the TX66 with regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-1 II over the Sony TX66

 K-1 II TX66 
IntroducedFebruary 2018February 2012Newer by 73 months
Display typeFully ArticulatedFixed Fully Articulating display

Reasons to pick Sony TX66 over the Pentax K-1 II

 TX66 K-1 II 
Display dimension3.3"3.2"Larger display (+0.1")
Display resolution1230k1037kClearer display (+193k dot)
Touch friendly display Easily navigate

Common features in the Pentax K-1 II and Sony TX66

 K-1 II TX66 
Manually focus More exact focus
Selfie screen No selfie screen

Pentax K-1 II vs Sony TX66 Physical Comparison

If you are intending to travel with your camera frequently, you will have to think about its weight and volume. The Pentax K-1 II features exterior measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) and the Sony TX66 has sizing of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") having a weight of 109 grams (0.24 lbs).

Compare the Pentax K-1 II versus Sony TX66 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing during that time. Following is the front view proportions comparison of the K-1 II versus the TX66.

Pentax K-1 II vs Sony TX66 size comparison

Looking at size and weight, the portability rating of the K-1 II and TX66 is 55 and 97 respectively.

Pentax K-1 II vs Sony TX66 top view buttons comparison

Pentax K-1 II vs Sony TX66 Sensor Comparison

Generally, it's difficult to see the difference in sensor dimensions only by researching specs. The pic underneath should offer you a better sense of the sensor sizing in the K-1 II and TX66.

All in all, both the cameras have got different megapixels and different sensor dimensions. The K-1 II having a larger sensor will make achieving shallow DOF simpler and the Pentax K-1 II will result in greater detail having an extra 18 Megapixels. Greater resolution will also allow you to crop images much more aggressively. The newer K-1 II will have an edge with regard to sensor technology.

Pentax K-1 II vs Sony TX66 sensor size comparison

Pentax K-1 II vs Sony TX66 Screen and ViewFinder

Pentax K-1 II vs Sony TX66 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 II Portrait photography features
Sony TX66 Portrait photography features
85
has manual focus
MP count fantastic (36MP)
sensor size is big (Full frame)
features face detect focus
exports RAW formats
41
has manual focus
resolution is good (18 megapixels)
offers face detect focus
manual exposure not available
cannot use external flash
sensor size is very small (1/2.3")
lacks RAW format
Photography Glossary

Street Comparison

Pentax K-1 II as a Street photography camera
Sony TX66 as a Street photography camera
70
screen can move to multiple angles
built in image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
exports RAW formats
weather proof
very good high ISO (819,200)
more heavy than competition in class (1,010g)
64
has image stabilization (Optical)
offers focus by touch
fixed screen
sensor size is very small (1/2.3")
lacks RAW format
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Sports Comparison

Pentax K-1 II as a Sports photography camera
Sony TX66 as a Sports photography camera
76
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
MP count fantastic (36 megapixels)
sensor size is big (Full frame)
features tracking focus
weather proof
sensor has phase detect auto focus
very slow continuous shooting (4.4 fps)
low battery power (670 per charge)
49
has image stabilization (Optical)
resolution is good (18MP)
offers tracking focus
great battery life (250 shots)
lack of shutter priority mode
sensor size is very small (1/2.3")
lacks phase detect auto focus
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Travel Comparison

Travel photography with Pentax K-1 II
Travel photography with Sony TX66
53
weather proof
MP count fantastic (36MP)
low battery power (670 per charge)
more heavy than competition in class (1,010g)
doesn't feature selfie friendly screen
72
great battery life (250 per charge)
offers focus by touch
resolution is good (18 megapixels)
has built in flash
decently wide (26mm)
doesn't have Time Lapse mode
display isn't selfie friendly
sluggish max aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax K-1 II
Landscape photography with Sony TX66
81
has manual focus
change lenses (Pentax KAF4 mount)
screen is a decent size (3.2 inches)
built in image stabilization (Sensor based 5-axis)
MP count fantastic (36MP)
sensor size is big (Full frame)
does not have anti aliasing filter
very good high ISO (819,200)
exports RAW formats
weather proof
has double storage slots
low battery power (670 shots)
51
has manual focus
decently wide (26mm)
nice screen size (3.3 inches)
has image stabilization (Optical)
resolution is good (18 megapixels)
great battery life (250 per charge)
fixed lens (fixed lens mount)
sluggish max aperture (f3.5)
manual exposure not available
sensor size is very small (1/2.3")
lacks RAW format
doesn't have Time Lapse mode
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Vlogging Comparison

Vlogging with Pentax K-1 II
Vlogging with Sony TX66
31
built in image stabilization (Sensor based 5-axis)
features face detect focus
video resolution high (1920 x 1080 resolution)
includes microphone port
doesn't feature selfie friendly screen
more heavy than competition in class (1,010 grams)
36
decently wide (26mm)
touchscreen enabled
has image stabilization (Optical)
offers face detect focus
video res high (1920 x 1080 pixels)
sluggish max aperture (f3.5)
display isn't selfie friendly
doesn't have mic port
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Pentax K-1 II vs Sony TX66 Specifications

Detailed spec comparison table for Pentax K-1 II and Sony TX66
 Pentax K-1 Mark IISony Cyber-shot DSC-TX66
General Information
Brand Pentax Sony
Model Pentax K-1 Mark II Sony Cyber-shot DSC-TX66
Class Advanced DSLR Ultracompact
Introduced 2018-02-22 2012-02-28
Body design Mid-size SLR Ultracompact
Sensor Information
Processor Chip PRIME IV BIONZ
Sensor type CMOS BSI-CMOS
Sensor size Full frame 1/2.3"
Sensor dimensions 35.9 x 24mm 6.17 x 4.55mm
Sensor surface area 861.6mm² 28.1mm²
Sensor resolution 36MP 18MP
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Peak resolution 7360 x 4912 4896 x 3672
Highest native ISO 819200 12800
Minimum native ISO 100 80
RAW files
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 33 -
Cross focus points 25 -
Lens
Lens mount Pentax KAF4 fixed lens
Lens focal range - 26-130mm (5.0x)
Highest aperture - f/3.5-4.8
Macro focus distance - 1cm
Total lenses 151 -
Crop factor 1 5.8
Screen
Display type Fully Articulated Fixed Type
Display sizing 3.2 inches 3.3 inches
Display resolution 1,037 thousand dot 1,230 thousand dot
Selfie friendly
Liveview
Touch display
Display technology - XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.7x -
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/4000 secs
Continuous shutter speed 4.4 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 3.10 m
Flash settings Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Auto, On, Off, Slow Sync, Rear Slow Sync
External flash
Auto exposure bracketing
WB bracketing
Fastest flash sync 1/200 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 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 MPEG-4, H.264 MPEG-4, AVCHD
Mic jack
Headphone jack
Connectivity
Wireless Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 gr (2.23 lbs) 109 gr (0.24 lbs)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 93 x 54 x 13mm (3.7" x 2.1" x 0.5")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 670 photos 250 photos
Style of battery Battery Pack Battery Pack
Battery model D-LI90 NP-BN
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC (UHS-I) Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Storage slots Dual Single
Pricing at release $1,737 $350