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Pentax Efina vs Pentax K-x

Portability
97
Imaging
38
Features
26
Overall
33
Pentax Efina front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Pentax Efina vs Pentax K-x Key Specs

Pentax Efina
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.5" Fixed Display
  • ISO 80 - 1600
  • Digital Image Stabilization
  • 1280 x 720 video
  • 26-130mm (F3.5-6.3) lens
  • 91g - 87 x 54 x 21mm
  • Revealed June 2013
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Bump to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Released December 2009
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Pentax Efina vs Pentax K-x Overview

Below, we will be looking at the Pentax Efina and Pentax K-x, one is a Ultracompact and the latter is a Entry-Level DSLR and they are both produced by Pentax. The sensor resolution of the Efina (14MP) and the K-x (12MP) is pretty well matched but the Efina (1/2.3") and K-x (APS-C) enjoy different sensor sizing.

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The Efina was introduced 3 years after the K-x which is quite a serious gap as far as technology is concerned. The two cameras come with different body type with the Pentax Efina being a Ultracompact camera and the Pentax K-x being a Compact SLR camera.

Before delving straight into a comprehensive comparison, below is a simple summation of how the Efina grades vs the K-x with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax Efina over the Pentax K-x

 Efina K-x 
ReleasedJune 2013December 2009Newer by 42 months

Reasons to pick Pentax K-x over the Pentax Efina

 K-x Efina 
Manual focus More exact focus
Screen dimension2.7"2.5"Bigger screen (+0.2")

Common features in the Pentax Efina and Pentax K-x

 Efina K-x 
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kSame screen resolution
Selfie screen Lacking selfie screen
Touch screen Lacking Touch screen

Pentax Efina vs Pentax K-x Physical Comparison

In case you're intending to travel with your camera frequently, you're going to have to think about its weight and proportions. The Pentax Efina offers physical dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") and a weight of 91 grams (0.20 lbs) whilst the Pentax K-x has measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

Analyze the Pentax Efina and Pentax K-x in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at that moment. Below is the front view dimension comparison of the Efina vs the K-x.

Pentax Efina vs Pentax K-x size comparison

Factoring in dimensions and weight, the portability rating of the Efina and K-x is 97 and 69 respectively.

Pentax Efina vs Pentax K-x top view buttons comparison

Pentax Efina vs Pentax K-x Sensor Comparison

Quite often, it is very difficult to visualize the contrast between sensor dimensions just by checking technical specs. The pic here may give you a greater sense of the sensor dimensions in the Efina and K-x.

As you can tell, both the cameras have got different resolutions and different sensor dimensions. The Efina with its tinier sensor is going to make achieving shallow depth of field harder and the Pentax Efina will give you extra detail using its extra 2 Megapixels. Higher resolution will make it easier to crop shots much more aggressively. The fresher Efina provides a benefit with regard to sensor technology.

Pentax Efina vs Pentax K-x sensor size comparison

Pentax Efina vs Pentax K-x Screen and ViewFinder

Pentax Efina vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax Efina as a Portrait photography camera
Pentax K-x as a Portrait photography camera
34
decent MP (14MP)
offers face detection focus
no manual focus
manual mode not possible
can't use external flash
tiny sensor size (1/2.3")
does not have RAW files
63
you can focus manually
good sensor size (APS-C)
includes face detection focusing
exports RAW formats
low resolution (12MP)
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Street Comparison

Pentax Efina Street photography advice
Pentax K-x Street photography advice
64
image stabilization (Digital)
lighter than competitors in class (91 grams)
screen does not articulate
tiny sensor size (1/2.3")
does not have RAW files
67
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
no articulating screen
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Sports Comparison

Pentax Efina as a Sports photography camera
Pentax K-x as a Sports photography camera
35
image stabilization (Digital)
decent MP (14MP)
low maximum shutter speed (1/1,400s)
no shutter priority
tiny sensor size (1/2.3")
does not have phase detect auto focus
61
great max shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
good sensor size (APS-C)
good battery power (1,900 per charge)
sensor has phase detect AF
very slow continuous shooting (5.0 frames/s)
low resolution (12 megapixels)
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Travel Comparison

Pentax Efina Travel photography details
Pentax K-x Travel photography details
69
lighter than competitors in class (91g)
decent MP (14MP)
has built in flash
pretty wide (26mm)
does not have Timelapse function
screen isn't selfie friendly
somewhat slow maximum aperture (f3.5)
54
good battery power (1,900 per charge)
flash built-in
does not have Time Lapse recording
low resolution (12MP)
doesn't contain selfie friendly display
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Landscape Comparison

Pentax Efina as a Landscape photography camera
Pentax K-x as a Landscape photography camera
38
pretty wide (26mm)
image stabilization (Digital)
decent MP (14 megapixels)
no manual focus
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
tiny screen (2.5")
manual mode not possible
tiny sensor size (1/2.3")
does not have RAW files
does not have Timelapse function
61
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
good battery power (1,900 per charge)
screen is small (2.7 inch)
low resolution (12 megapixels)
does not have Time Lapse recording
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Vlogging Comparison

Pentax Efina Vlogging features
Pentax K-x Vlogging features
33
pretty wide (26mm)
image stabilization (Digital)
offers face detection focus
lighter than competitors in class (91g)
somewhat slow maximum aperture (f3.5)
screen isn't selfie friendly
low res video (1280 x 720 resolution)
does not have external microphone port
27
image stabilization (Sensor based)
includes face detection focusing
doesn't contain selfie friendly display
low quality video (1280 x 720 pixels)
does not have external mic port
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Pentax Efina vs Pentax K-x Specifications

Detailed spec comparison table for Pentax Efina and Pentax K-x
 Pentax EfinaPentax K-x
General Information
Manufacturer Pentax Pentax
Model type Pentax Efina Pentax K-x
Type Ultracompact Entry-Level DSLR
Revealed 2013-06-03 2009-12-23
Body design Ultracompact Compact SLR
Sensor Information
Powered by - Prime
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.6 x 15.8mm
Sensor area 28.1mm² 372.9mm²
Sensor resolution 14 megapixel 12 megapixel
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 3:2
Maximum resolution 4288 x 3216 4288 x 2848
Maximum native ISO 1600 6400
Maximum boosted ISO - 12800
Min native ISO 80 100
RAW pictures
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 11
Cross type focus points - -
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 26-130mm (5.0x) -
Max aperture f/3.5-6.3 -
Macro focusing distance 20cm -
Number of lenses - 151
Crop factor 5.8 1.5
Screen
Range of display Fixed Type Fixed Type
Display sizing 2.5 inches 2.7 inches
Display resolution 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch capability
Display technology QVGA TFT LCD TFT LCD monitor
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 1/8s 30s
Highest shutter speed 1/1400s 1/6000s
Continuous shooting speed - 5.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 4.10 m 16.00 m
Flash settings Auto, Auto Red-eye Reduction, Forced On, Forced Off Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
External flash
AE bracketing
WB bracketing
Highest flash sync - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720, 640 x 480 1280 x 720 (24 fps), 640 x 416 (24 fps)
Maximum video resolution 1280x720 1280x720
Video file format - Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 91 grams (0.20 lb) 580 grams (1.28 lb)
Dimensions 87 x 54 x 21mm (3.4" x 2.1" x 0.8") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around rating not tested 72
DXO Color Depth rating not tested 22.8
DXO Dynamic range rating not tested 12.5
DXO Low light rating not tested 811
Other
Battery life 200 shots 1900 shots
Type of battery Battery Pack Battery Pack
Battery ID D-LI109 4 x AA
Self timer Yes Yes (2 or 12 sec)
Time lapse feature
Type of storage SC/SDHC, Internal SD/SDHC card
Storage slots 1 1
Retail pricing $10 $600