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Pentax K100D vs Pentax E85

Portability
64
Imaging
45
Features
36
Overall
41
Pentax K100D front
 
Pentax Optio E85 front
Portability
95
Imaging
35
Features
10
Overall
25

Pentax K100D vs Pentax E85 Key Specs

Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Introduced December 2006
  • Refreshed by Pentax K100D S
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
  • Released September 2009
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Pentax K100D vs Pentax E85 Overview

Below, we will be analyzing the Pentax K100D versus Pentax E85, former being a Entry-Level DSLR while the latter is a Small Sensor Compact and they are both sold by Pentax. There exists a noticeable gap among the resolutions of the K100D (6MP) and E85 (12MP) and the K100D (APS-C) and E85 (1/2.3") enjoy different sensor dimensions.

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The K100D was brought out 3 years earlier than the E85 and that is a fairly sizable difference as far as camera technology is concerned. Both cameras come with different body type with the Pentax K100D being a Compact SLR camera and the Pentax E85 being a Compact camera.

Before we go straight into a in depth comparison, below is a simple overview of how the K100D matches up vs the E85 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Pentax K100D over the Pentax E85

 K100D E85 
Manually focus More accurate focusing

Reasons to pick Pentax E85 over the Pentax K100D

 E85 K100D 
ReleasedSeptember 2009December 2006More recent by 33 months
Screen dimension2.7"2.5"Bigger screen (+0.2")
Screen resolution230k210kCrisper screen (+20k dot)

Common features in the Pentax K100D and Pentax E85

 K100D E85 
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch friendly screen Neither offers Touch friendly screen

Pentax K100D vs Pentax E85 Physical Comparison

When you are aiming to lug around your camera often, you need to think about its weight and size. The Pentax K100D offers outer measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs) while the Pentax E85 has specifications of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") with a weight of 145 grams (0.32 lbs).

Look at the Pentax K100D versus Pentax E85 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change depending on the lens you are working with at that time. The following is the front view size comparison of the K100D compared to the E85.

Pentax K100D vs Pentax E85 size comparison

Taking into account dimensions and weight, the portability score of the K100D and E85 is 64 and 95 respectively.

Pentax K100D vs Pentax E85 top view buttons comparison

Pentax K100D vs Pentax E85 Sensor Comparison

Typically, it's hard to picture the difference in sensor measurements simply by researching specs. The visual below will help provide you a much better sense of the sensor measurements in the K100D and E85.

All in all, both of the cameras have got different resolutions and different sensor measurements. The K100D featuring a bigger sensor is going to make getting bokeh easier and the Pentax E85 will provide you with extra detail having its extra 6MP. Higher resolution will let you crop shots much more aggressively. The older K100D will be behind when it comes to sensor technology.

Pentax K100D vs Pentax E85 sensor size comparison

Pentax K100D vs Pentax E85 Screen and ViewFinder

Pentax K100D vs Pentax E85 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K100D
Portrait photography with Pentax E85
51
focusing manually
nice sensor size (APS-C)
saves RAW files
doesn't have liveview
MP count low (6MP)
21
manual focus not available
manual mode not possible
no external flash support
low resolution sensor (12 megapixels)
very small sensor (1/2.3")
doesn't have RAW format
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Street Comparison

Pentax K100D Street photography features
Pentax E85 Street photography features
58
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
no moving screen
heavier than competition in class (660 grams)
47
screen does not articulate
does not have image stabilization
very small sensor (1/2.3")
doesn't have RAW format
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Sports Comparison

Sports photography with Pentax K100D
Sports photography with Pentax E85
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
sensor has phase detect AF
doesn't have liveview
painfully slow continuous shooting (3.0 frames/s)
MP count low (6MP)
17
max fps very slow (1.0 fps)
no shutter priority mode
does not have image stabilization
low resolution sensor (12MP)
very small sensor (1/2.3")
doesn't have phase detect AF
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Travel Comparison

Pentax K100D Travel photography information
Pentax E85 Travel photography information
42
built-in flash
does not have Time Lapse recording
heavier than competition in class (660g)
MP count low (6 megapixels)
screen isn't selfie friendly
51
flash built-in
missing Timelapse recording
low resolution sensor (12 megapixels)
doesn't posses selfie friendly screen
wide angle not good (32mm)
somewhat slow maximum aperture (f2.9)
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Landscape Comparison

Pentax K100D Landscape photography factors
Pentax E85 Landscape photography factors
52
focusing manually
swap lenses (Pentax KAF mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
screen is small (2.5 inch)
doesn't have liveview
MP count low (6 megapixels)
does not have Time Lapse recording
23
manual focus not available
lens is fixed (fixed lens mount)
wide angle not good (32mm)
somewhat slow maximum aperture (f2.9)
tiny screen (2.7")
manual mode not possible
does not have image stabilization
low resolution sensor (12MP)
very small sensor (1/2.3")
doesn't have RAW format
missing Timelapse recording
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Vlogging Comparison

Pentax K100D Vlogging features
Pentax E85 Vlogging features
9
no video shooting
22
wide angle not good (32mm)
somewhat slow maximum aperture (f2.9)
doesn't posses selfie friendly screen
does not have image stabilization
video res low (640 x 480 pxls)
missing external microphone socket
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Pentax K100D vs Pentax E85 Specifications

Detailed spec comparison table for Pentax K100D and Pentax E85
 Pentax K100DPentax Optio E85
General Information
Brand Pentax Pentax
Model Pentax K100D Pentax Optio E85
Class Entry-Level DSLR Small Sensor Compact
Introduced 2006-12-03 2009-09-17
Physical type Compact SLR Compact
Sensor Information
Sensor type CCD CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.5 x 15.7mm 6.17 x 4.55mm
Sensor surface area 369.0mm² 28.1mm²
Sensor resolution 6 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Highest resolution 3008 x 2008 4000 x 3000
Highest native ISO 3200 3200
Lowest native ISO 200 80
RAW format
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 -
Lens
Lens mounting type Pentax KAF fixed lens
Lens focal range - 32-96mm (3.0x)
Highest aperture - f/2.9-5.2
Macro focus range - 10cm
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.5 inches 2.7 inches
Screen resolution 210 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Lowest shutter speed 30 seconds 2 seconds
Highest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 3.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set WB
Image stabilization
Integrated flash
Flash range - 3.00 m
Flash settings Auto, On, Off, Red-eye reduction -
External flash
AE bracketing
White balance bracketing
Highest flash synchronize 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution None 640x480
Video file format - Motion JPEG
Microphone port
Headphone port
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 660 grams (1.46 pounds) 145 grams (0.32 pounds)
Dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 93 x 58 x 24mm (3.7" x 2.3" x 0.9")
DXO scores
DXO All around 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 model 4 x AA D-LI95
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/MMC card SD/SDHC, Internal
Card slots Single Single
Launch cost $0 $0