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Pentax K-3 II vs Sony A450

Portability
59
Imaging
66
Features
84
Overall
73
Pentax K-3 II front
 
Sony Alpha DSLR-A450 front
Portability
65
Imaging
54
Features
52
Overall
53

Pentax K-3 II vs Sony A450 Key Specs

Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Introduced April 2015
  • Succeeded the Pentax K-3
Sony A450
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 200 - 12800
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 560g - 137 x 104 x 81mm
  • Announced January 2010
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Pentax K-3 II vs Sony A450 Overview

Here, we will be contrasting the Pentax K-3 II vs Sony A450, one being a Advanced DSLR and the latter is a Entry-Level DSLR by manufacturers Pentax and Sony. There exists a big gap among the image resolutions of the K-3 II (24MP) and A450 (14MP) but both cameras posses the identical sensor sizes (APS-C).

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The K-3 II was introduced 5 years later than the A450 and that is a fairly big gap as far as camera technology is concerned. Each of the cameras feature different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony A450 being a Compact SLR camera.

Before going into a thorough comparison, here is a short synopsis of how the K-3 II grades vs the A450 when considering portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-3 II over the Sony A450

 K-3 II A450 
AnnouncedApril 2015January 2010Fresher by 65 months
Screen size3.2"2.7"Bigger screen (+0.5")
Screen resolution1037k230kSharper screen (+807k dot)

Reasons to pick Sony A450 over the Pentax K-3 II

 A450 K-3 II 

Common features in the Pentax K-3 II and Sony A450

 K-3 II A450 
Manual focus More precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch screen Neither has Touch screen

Pentax K-3 II vs Sony A450 Physical Comparison

If you are going to carry your camera often, you need to think about its weight and dimensions. The Pentax K-3 II has outside measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) whilst the Sony A450 has dimensions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") along with a weight of 560 grams (1.23 lbs).

Take a look at the Pentax K-3 II vs Sony A450 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at that moment. Below is a front view measurement comparison of the K-3 II vs the A450.

Pentax K-3 II vs Sony A450 size comparison

Looking at dimensions and weight, the portability grade of the K-3 II and A450 is 59 and 65 respectively.

Pentax K-3 II vs Sony A450 top view buttons comparison

Pentax K-3 II vs Sony A450 Sensor Comparison

Sometimes, it is difficult to picture the contrast in sensor sizing just by going through specifications. The graphic underneath may give you a better sense of the sensor measurements in the K-3 II and A450.

Plainly, each of these cameras come with the identical sensor size albeit different megapixels. You should expect the Pentax K-3 II to show extra detail using its extra 10MP. Higher resolution can also let you crop pictures a good deal more aggressively. The more recent K-3 II provides an advantage in sensor tech.

Pentax K-3 II vs Sony A450 sensor size comparison

Pentax K-3 II vs Sony A450 Screen and ViewFinder

Pentax K-3 II vs Sony A450 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-3 II
Portrait photography with Sony A450
79
manual focus
megapixel count good (24 megapixels)
decent sensor size (APS-C)
features face detect focusing
supports RAW files
72
has manual focus
megapixel count good (14MP)
decent sensor size (APS-C)
delivers RAW formats
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Street Comparison

Pentax K-3 II Street photography factors
Sony A450 Street photography factors
69
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
environment proof
great high ISO (51,200)
screen is fixed
66
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
no articulating screen
Photography Glossary

Sports Comparison

Pentax K-3 II Sports photography highlights
Sony A450 Sports photography highlights
76
great max shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
megapixel count good (24MP)
decent sensor size (APS-C)
features tracking focus
environment proof
has phase detect AF
not so great battery pack (720 shots)
77
built in image stabilization (Sensor based)
megapixel count good (14 megapixels)
decent sensor size (APS-C)
good battery life (1,050 shots)
comes with phase detect autofocus
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Travel Comparison

Travel photography with Pentax K-3 II
Travel photography with Sony A450
56
environment proof
megapixel count good (24 megapixels)
not so great battery pack (720 CIPA)
display isn't selfie friendly
60
good battery life (1,050 per charge)
megapixel count good (14 megapixels)
built-in flash
missing Time Lapse function
does not have a selfie friendly display
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Landscape Comparison

Pentax K-3 II Landscape photography info
Sony A450 Landscape photography info
78
manual focus
switch lenses (Pentax KAF2 mount)
good sized screen (3.2 inch)
has image stabilization (Sensor based)
megapixel count good (24MP)
decent sensor size (APS-C)
no anti-alias filter
great high ISO (51,200)
supports RAW files
environment proof
2 card slots
not so great battery pack (720 per charge)
66
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
megapixel count good (14 megapixels)
decent sensor size (APS-C)
delivers RAW formats
good battery life (1,050 shots)
screen is small (2.7 inches)
missing Time Lapse function
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Vlogging Comparison

Pentax K-3 II Vlogging info
Sony A450 Vlogging info
34
has image stabilization (Sensor based)
features face detect focusing
high res video (1920 x 1080 pixels)
has mic support
display isn't selfie friendly
9
can't record video
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Pentax K-3 II vs Sony A450 Specifications

Detailed spec comparison table for Pentax K-3 II and Sony A450
 Pentax K-3 IISony Alpha DSLR-A450
General Information
Company Pentax Sony
Model type Pentax K-3 II Sony Alpha DSLR-A450
Type Advanced DSLR Entry-Level DSLR
Introduced 2015-04-23 2010-01-05
Physical type Mid-size SLR Compact SLR
Sensor Information
Processor Prime III Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.4 x 15.6mm
Sensor area 366.6mm² 365.0mm²
Sensor resolution 24MP 14MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 6016 x 4000 4592 x 3056
Maximum native ISO 51200 12800
Lowest native ISO 100 200
RAW format
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 27 9
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 Sony/Minolta Alpha
Available lenses 151 143
Crop factor 1.5 1.5
Screen
Type of display Fixed Type Fixed Type
Display size 3.2 inches 2.7 inches
Display resolution 1,037k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Display technology - TFT Clear Photo Color LCD
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.64x 0.53x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shutter rate 8.3 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 12.00 m (at ISO 100)
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 (available with dedicated external flash) Auto, Fill, Rear Sync, Slow Sync, Wireless/ High Speed Sync
Hot shoe
AE bracketing
White balance bracketing
Fastest flash synchronize 1/180 seconds 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) -
Maximum video resolution 1920x1080 None
Video format MPEG-4, H.264 -
Mic port
Headphone port
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800g (1.76 lb) 560g (1.23 lb)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 137 x 104 x 81mm (5.4" x 4.1" x 3.2")
DXO scores
DXO Overall rating 80 66
DXO Color Depth rating 23.6 21.8
DXO Dynamic range rating 13.6 11.8
DXO Low light rating 1106 769
Other
Battery life 720 pictures 1050 pictures
Style 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 Dual SD/SDHC/SDXC SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots Two One
Cost at release $829 $1,241