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Pentax K-x vs Pentax E85

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Pentax Optio E85 front
Portability
95
Imaging
35
Features
10
Overall
25

Pentax K-x vs Pentax E85 Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Bump to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Launched December 2009
Pentax E85
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 640 x 480 video
  • 32-96mm (F2.9-5.2) lens
  • 145g - 93 x 58 x 24mm
  • Introduced September 2009
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Pentax K-x vs Pentax E85 Overview

The following is a extended review of the Pentax K-x and Pentax E85, former is a Entry-Level DSLR while the latter is a Small Sensor Compact and they are both produced by Pentax. The image resolution of the K-x (12MP) and the E85 (12MP) is relatively similar but the K-x (APS-C) and E85 (1/2.3") possess totally different sensor sizes.

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The K-x was manufactured 4 months after the E85 and they are of a similar age. Each of the cameras come with different body type with the Pentax K-x being a Compact SLR camera and the Pentax E85 being a Compact camera.

Before going through a in-depth comparison, below is a concise summary of how the K-x grades versus the E85 for portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-x over the Pentax E85

 K-x E85 
Manual focus Dial exact focusing

Reasons to pick Pentax E85 over the Pentax K-x

 E85 K-x 

Common features in the Pentax K-x and Pentax E85

 K-x E85 
IntroducedDecember 2009September 2009Similar age
Screen typeFixed Fixed Fixed screen
Screen dimension2.7"2.7"Identical screen dimensions
Screen resolution230k230kThe same screen resolution
Selfie screen Lack of selfie screen
Touch screen Lack of Touch screen

Pentax K-x vs Pentax E85 Physical Comparison

In case you're looking to travel with your camera regularly, you need to consider its weight and volume. The Pentax K-x offers exterior measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Pentax E85 has sizing of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") having a weight of 145 grams (0.32 lbs).

Analyze the Pentax K-x and Pentax E85 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change depending on the lens you are utilizing at the time. Below is the front view proportions comparison of the K-x against the E85.

Pentax K-x vs Pentax E85 size comparison

Using dimensions and weight, the portability rating of the K-x and E85 is 69 and 95 respectively.

Pentax K-x vs Pentax E85 top view buttons comparison

Pentax K-x vs Pentax E85 Sensor Comparison

Quite often, it's hard to envision the contrast between sensor dimensions merely by reading specifications. The image below should give you a greater sense of the sensor measurements in the K-x and E85.

To sum up, both of those cameras posses the exact same megapixel count albeit not the same sensor dimensions. The K-x has the bigger sensor which will make obtaining shallower DOF less difficult.

Pentax K-x vs Pentax E85 sensor size comparison

Pentax K-x vs Pentax E85 Screen and ViewFinder

Pentax K-x vs Pentax E85 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x as a Portrait photography camera
Pentax E85 as a Portrait photography camera
63
you can focus manually
nice sensor size (APS-C)
features face detect autofocus
delivers RAW formats
low resolution sensor (12MP)
21
focusing manually not possible
no manual control
no external flash support
low MP (12 megapixels)
very small sensor size (1/2.3")
lacks RAW files
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Street Comparison

Pentax K-x as a Street photography camera
Pentax E85 as a Street photography camera
67
built in image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
no articulating screen
47
screen does not articulate
no image stabilization
very small sensor size (1/2.3")
lacks RAW files
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Sports Comparison

Sports photography with Pentax K-x
Sports photography with Pentax E85
61
maximum shutter speed is high (1/6,000 seconds)
built in image stabilization (Sensor based)
nice sensor size (APS-C)
better than average battery life (1,900 per charge)
sensor has phase detect autofocus
slow continuous shooting (5.0 frames per second)
low resolution sensor (12 megapixels)
17
low fps (1.0 frames per second)
no shutter priority
no image stabilization
low MP (12MP)
very small sensor size (1/2.3")
lacks phase detect AF
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Travel Comparison

Pentax K-x as a Travel photography camera
Pentax E85 as a Travel photography camera
54
better than average battery life (1,900 CIPA)
has built in flash
missing Time Lapse function
low resolution sensor (12MP)
screen is not selfie friendly
51
has built in flash
no Timelapse function
low MP (12 megapixels)
does not feature selfie friendly display
wide angle not good (32mm)
sluggish maximum aperture (f2.9)
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Landscape Comparison

Pentax K-x Landscape photography information
Pentax E85 Landscape photography information
61
you can focus manually
swap lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
better than average battery life (1,900 shots)
screen is small (2.7 inches)
low resolution sensor (12MP)
missing Time Lapse function
23
focusing manually not possible
fixed lens (fixed lens mount)
wide angle not good (32mm)
sluggish maximum aperture (f2.9)
screen is somewhat small (2.7")
no manual control
no image stabilization
low MP (12MP)
very small sensor size (1/2.3")
lacks RAW files
no Timelapse function
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Vlogging Comparison

Pentax K-x Vlogging info
Pentax E85 Vlogging info
27
built in image stabilization (Sensor based)
features face detect autofocus
screen is not selfie friendly
video quality not great (1280 x 720 resolution)
missing mic socket
22
wide angle not good (32mm)
sluggish maximum aperture (f2.9)
does not feature selfie friendly display
no image stabilization
low video resolution (640 x 480 pixels)
no external microphone jack
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Pentax K-x vs Pentax E85 Specifications

Detailed spec comparison table for Pentax K-x and Pentax E85
 Pentax K-xPentax Optio E85
General Information
Manufacturer Pentax Pentax
Model Pentax K-x Pentax Optio E85
Category Entry-Level DSLR Small Sensor Compact
Launched 2009-12-23 2009-09-17
Body design Compact SLR Compact
Sensor Information
Powered by Prime -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.6 x 15.8mm 6.17 x 4.55mm
Sensor area 372.9mm² 28.1mm²
Sensor resolution 12 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Peak resolution 4288 x 2848 4000 x 3000
Highest native ISO 6400 3200
Highest enhanced ISO 12800 -
Min native ISO 100 80
RAW images
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 11 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 32-96mm (3.0x)
Highest aperture - f/2.9-5.2
Macro focus range - 10cm
Number of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 2.7" 2.7"
Resolution of display 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch function
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Min shutter speed 30s 2s
Max shutter speed 1/6000s 1/2000s
Continuous shutter speed 5.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash range 16.00 m 3.00 m
Flash options Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless -
Hot shoe
AEB
White balance bracketing
Max 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 (24 fps), 640 x 416 (24 fps) 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 1280x720 640x480
Video data format Motion JPEG Motion JPEG
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580g (1.28 lbs) 145g (0.32 lbs)
Dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 93 x 58 x 24mm (3.7" x 2.3" x 0.9")
DXO scores
DXO Overall score 72 not tested
DXO Color Depth score 22.8 not tested
DXO Dynamic range score 12.5 not tested
DXO Low light score 811 not tested
Other
Battery life 1900 shots -
Type of battery Battery Pack -
Battery model 4 x AA D-LI95
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC card SD/SDHC, Internal
Storage slots 1 1
Retail cost $600 $0