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Pentax K-1 II vs Sony NEX-3

Portability
55
Imaging
77
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Alpha NEX-3 front
Portability
89
Imaging
54
Features
55
Overall
54

Pentax K-1 II vs Sony NEX-3 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 Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Announced February 2018
  • Previous Model is Pentax K-1
Sony NEX-3
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 200 - 12800
  • 1280 x 720 video
  • Sony E Mount
  • 297g - 117 x 62 x 33mm
  • Released June 2010
  • Newer Model is Sony NEX-C3
Photography Glossary

Pentax K-1 II vs Sony NEX-3 Overview

Let's take a deeper look at the Pentax K-1 II versus Sony NEX-3, one is a Advanced DSLR and the latter is a Entry-Level Mirrorless by competitors Pentax and Sony. There exists a sizeable gap between the sensor resolutions of the K-1 II (36MP) and NEX-3 (14MP) and the K-1 II (Full frame) and NEX-3 (APS-C) provide different sensor sizing.

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The K-1 II was launched 7 years after the NEX-3 which is quite a large gap as far as technology is concerned. Both of the cameras have different body design with the Pentax K-1 II being a Mid-size SLR camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.

Before diving into a in depth comparison, here is a brief introduction of how the K-1 II grades vs the NEX-3 in relation to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-1 II over the Sony NEX-3

 K-1 II NEX-3 
ReleasedFebruary 2018June 2010More modern by 94 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution1037k920kClearer screen (+117k dot)

Reasons to pick Sony NEX-3 over the Pentax K-1 II

 NEX-3 K-1 II 

Common features in the Pentax K-1 II and Sony NEX-3

 K-1 II NEX-3 
Focus manually More accurate focusing
Selfie screen No selfie screen
Touch friendly screen No Touch friendly screen

Pentax K-1 II vs Sony NEX-3 Physical Comparison

If you're planning to carry around your camera regularly, you need to think about its weight and dimensions. The Pentax K-1 II offers exterior dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") having a weight of 1010 grams (2.23 lbs) whilst the Sony NEX-3 has dimensions of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") with a weight of 297 grams (0.65 lbs).

Analyze the Pentax K-1 II versus Sony NEX-3 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at that time. Here is a front view over all size comparison of the K-1 II versus the NEX-3.

Pentax K-1 II vs Sony NEX-3 size comparison

Taking into account dimensions and weight, the portability grade of the K-1 II and NEX-3 is 55 and 89 respectively.

Pentax K-1 II vs Sony NEX-3 top view buttons comparison

Pentax K-1 II vs Sony NEX-3 Sensor Comparison

Normally, it is hard to imagine the difference between sensor sizes merely by reviewing specs. The pic here will help offer you a greater sense of the sensor sizes in the K-1 II and NEX-3.

All in all, the 2 cameras provide different megapixels and different sensor sizes. The K-1 II featuring a bigger sensor is going to make shooting shallower depth of field simpler and the Pentax K-1 II will offer you more detail utilizing its extra 22MP. Higher resolution can also make it easier to crop shots more aggressively. The younger K-1 II provides an edge in sensor tech.

Pentax K-1 II vs Sony NEX-3 sensor size comparison

Pentax K-1 II vs Sony NEX-3 Screen and ViewFinder

Pentax K-1 II vs Sony NEX-3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-1 II
Portrait photography with Sony NEX-3
86
focusing manually
great resolution (36 megapixels)
great sensor size (Full frame)
features face detection focusing
exports RAW formats
72
you can focus manually
good resolution (14 megapixels)
decent sensor size (APS-C)
provides face detection focus
supports RAW files
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Street Comparison

Street photography with Pentax K-1 II
Street photography with Sony NEX-3
70
fully articulated screen
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
exports RAW formats
weather proofing
very good high ISO (819,200)
heavier than others in class (1,010g)
76
has a tilting screen
decent sensor size (APS-C)
supports RAW files
lack of image stabilization
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Sports Comparison

Pentax K-1 II Sports photography information
Sony NEX-3 Sports photography information
77
high shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
great resolution (36MP)
great sensor size (Full frame)
features tracking autofocus
weather proofing
supports phase detect AF
slow continuous shooting (4.4 frames per second)
low battery power (670 CIPA)
52
good resolution (14 megapixels)
decent sensor size (APS-C)
lack of image stabilization
has no phase detect auto focus
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Travel Comparison

Pentax K-1 II Travel photography highlights
Sony NEX-3 Travel photography highlights
53
weather proofing
great resolution (36MP)
low battery power (670 shots)
heavier than others in class (1,010 grams)
doesn't contain selfie friendly display
59
good resolution (14MP)
doesn't have Timelapse function
display isn't selfie friendly
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Landscape Comparison

Pentax K-1 II Landscape photography advice
Sony NEX-3 Landscape photography advice
82
focusing manually
switch lenses (Pentax KAF4 mount)
pretty good screen size (3.2 inches)
built in image stabilization (Sensor based 5-axis)
great resolution (36 megapixels)
great sensor size (Full frame)
does not have anti-alias filter
very good high ISO (819,200)
exports RAW formats
weather proofing
has double storage slots
low battery power (670 CIPA)
68
you can focus manually
switch lenses (Sony E mount)
screen is a good size (3")
good resolution (14 megapixels)
decent sensor size (APS-C)
supports RAW files
lack of image stabilization
doesn't have Timelapse function
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Vlogging Comparison

Pentax K-1 II Vlogging information
Sony NEX-3 Vlogging information
32
built in image stabilization (Sensor based 5-axis)
features face detection focusing
high quality video (1920 x 1080 resolution)
comes with external mic port
doesn't contain selfie friendly display
heavier than others in class (1,010g)
27
provides face detection focus
display isn't selfie friendly
lack of image stabilization
low quality video (1280 x 720 resolution)
doesn't have external microphone jack
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Pentax K-1 II vs Sony NEX-3 Specifications

Detailed spec comparison table for Pentax K-1 II and Sony NEX-3
 Pentax K-1 Mark IISony Alpha NEX-3
General Information
Manufacturer Pentax Sony
Model Pentax K-1 Mark II Sony Alpha NEX-3
Category Advanced DSLR Entry-Level Mirrorless
Announced 2018-02-22 2010-06-07
Body design Mid-size SLR Rangefinder-style mirrorless
Sensor Information
Chip PRIME IV Bionz
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.4 x 15.6mm
Sensor area 861.6mm² 365.0mm²
Sensor resolution 36MP 14MP
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 7360 x 4912 4592 x 3056
Highest native ISO 819200 12800
Minimum native ISO 100 200
RAW files
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 33 25
Cross focus points 25 -
Lens
Lens mount Pentax KAF4 Sony E
Amount of lenses 151 121
Crop factor 1 1.5
Screen
Range of display Fully Articulated Tilting
Display size 3.2 inches 3 inches
Display resolution 1,037k dot 920k dot
Selfie friendly
Liveview
Touch screen
Display tech - TFT Xtra Fine LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.7x -
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/4000 secs
Continuous shutter speed 4.4fps 7.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range no built-in flash 12.00 m
Flash modes 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, Red-Eye, Slow Sync, Rear Curtain, Fill-in
Hot shoe
AEB
White balance bracketing
Max flash sync 1/200 secs 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 1280x720
Video file format MPEG-4, H.264 MPEG-4
Microphone input
Headphone input
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 Eye-Fi Connected
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 1010g (2.23 lbs) 297g (0.65 lbs)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 117 x 62 x 33mm (4.6" x 2.4" x 1.3")
DXO scores
DXO Overall score not tested 68
DXO Color Depth score not tested 22.1
DXO Dynamic range score not tested 12.0
DXO Low light score not tested 830
Other
Battery life 670 photographs 330 photographs
Battery format Battery Pack Battery Pack
Battery model D-LI90 NPFW50
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, 10sec (3 images))
Time lapse feature
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Dual 1
Pricing at release $1,737 $0