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Pentax K-7 vs Pentax E90

Portability
60
Imaging
54
Features
69
Overall
60
Pentax K-7 front
 
Pentax Optio E90 front
Portability
94
Imaging
33
Features
11
Overall
24

Pentax K-7 vs Pentax E90 Key Specs

Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 2000 (Expand to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Released October 2009
  • Renewed by Pentax K-5
Pentax E90
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 3200
  • 1280 x 720 video
  • 32-95mm (F3.1-5.9) lens
  • 145g - 102 x 59 x 25mm
  • Released January 2010
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Pentax K-7 vs Pentax E90 Overview

Its time to look a little more closely at the Pentax K-7 versus Pentax E90, one being a Advanced DSLR and the other is a Small Sensor Compact and both of them are built by Pentax. There exists a sizeable gap between the resolutions of the K-7 (15MP) and E90 (10MP) and the K-7 (APS-C) and E90 (1/2.3") have different sensor size.

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The K-7 was brought out 3 months before the E90 so they are both of a similar generation. The two cameras have different body design with the Pentax K-7 being a Mid-size SLR camera and the Pentax E90 being a Compact camera.

Before going right into a in-depth comparison, here is a concise highlight of how the K-7 scores versus the E90 for portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-7 over the Pentax E90

 K-7 E90 
Manual focus More precise focusing
Display dimensions3"2.7"Larger display (+0.3")
Display resolution921k230kClearer display (+691k dot)

Reasons to pick Pentax E90 over the Pentax K-7

 E90 K-7 

Common features in the Pentax K-7 and Pentax E90

 K-7 E90 
ReleasedOctober 2009January 2010Similar generation
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch friendly display No Touch friendly display

Pentax K-7 vs Pentax E90 Physical Comparison

For anybody who is intending to lug around your camera regularly, you will want to factor in its weight and volume. The Pentax K-7 provides physical dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs) whilst the Pentax E90 has sizing of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs).

Analyze the Pentax K-7 versus Pentax E90 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at the time. Underneath is a front view overall size comparison of the K-7 against the E90.

Pentax K-7 vs Pentax E90 size comparison

Using dimensions and weight, the portability grade of the K-7 and E90 is 60 and 94 respectively.

Pentax K-7 vs Pentax E90 top view buttons comparison

Pentax K-7 vs Pentax E90 Sensor Comparison

More often than not, it can be hard to visualize the difference between sensor measurements just by reading through a spec sheet. The graphic underneath should offer you a greater sense of the sensor dimensions in the K-7 and E90.

As you can see, both cameras provide different megapixels and different sensor measurements. The K-7 due to its larger sensor is going to make getting bokeh simpler and the Pentax K-7 will give you greater detail having its extra 5 Megapixels. Greater resolution will help you crop photos more aggressively.

Pentax K-7 vs Pentax E90 sensor size comparison

Pentax K-7 vs Pentax E90 Screen and ViewFinder

Pentax K-7 vs Pentax E90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-7 Portrait photography factors
Pentax E90 Portrait photography factors
72
has manual focus
sensor resolution is decent (15MP)
sensor size is good (APS-C)
offers face detect focus
delivers RAW formats
19
focusing manually not possible
no manual control
can't use external flash
megapixel count low (10 megapixels)
very small sensor size (1/2.3")
lacks RAW support
Photography Glossary

Street Comparison

Pentax K-7 Street photography info
Pentax E90 Street photography info
66
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
weather sealing
no articulating screen
47
screen does not articulate
does not have image stabilization
very small sensor size (1/2.3")
lacks RAW support
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Sports Comparison

Pentax K-7 Sports photography factors
Pentax E90 Sports photography factors
69
high shutter speed (1/8,000s)
image stabilization (Sensor based)
sensor resolution is decent (15 megapixels)
sensor size is good (APS-C)
weather sealing
supports phase detect auto focus
slow continuous shooting (5.0 fps)
16
no shutter priority
does not have image stabilization
megapixel count low (10MP)
very small sensor size (1/2.3")
lacks phase detect AF
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Travel Comparison

Pentax K-7 Travel photography information
Pentax E90 Travel photography information
64
weather sealing
sensor resolution is decent (15 megapixels)
built-in flash
screen is not selfie friendly
50
built-in flash
does not have Timelapse recording
megapixel count low (10MP)
doesn't contain selfie friendly display
wide angle not fantastic (32mm)
sluggish maximum aperture (f3.1)
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Landscape Comparison

Pentax K-7 as a Landscape photography camera
Pentax E90 as a Landscape photography camera
77
has manual focus
swap lenses (Pentax KAF2 mount)
pretty good screen size (3 inches)
image stabilization (Sensor based)
sensor resolution is decent (15MP)
sensor size is good (APS-C)
delivers RAW formats
weather sealing
22
focusing manually not possible
can't swap lens (fixed lens mount)
wide angle not fantastic (32mm)
sluggish maximum aperture (f3.1)
small screen (2.7 inches)
no manual control
does not have image stabilization
megapixel count low (10MP)
very small sensor size (1/2.3")
lacks RAW support
does not have Timelapse recording
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Vlogging Comparison

Pentax K-7 Vlogging information
Pentax E90 Vlogging information
25
image stabilization (Sensor based)
offers face detect focus
screen is not selfie friendly
video res low (1280 x 720 pixels)
doesn't have mic jack
22
wide angle not fantastic (32mm)
sluggish maximum aperture (f3.1)
doesn't contain selfie friendly display
does not have image stabilization
video resolution low (1280 x 720 pixels)
does not have microphone jack
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Pentax K-7 vs Pentax E90 Specifications

Detailed spec comparison table for Pentax K-7 and Pentax E90
 Pentax K-7Pentax Optio E90
General Information
Brand Pentax Pentax
Model type Pentax K-7 Pentax Optio E90
Class Advanced DSLR Small Sensor Compact
Released 2009-10-02 2010-01-25
Body design Mid-size SLR Compact
Sensor Information
Processor Chip Prime II Prime
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.4 x 15.6mm 6.08 x 4.56mm
Sensor surface area 365.0mm² 27.7mm²
Sensor resolution 15MP 10MP
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Highest resolution 4672 x 3104 3648 x 2736
Highest native ISO 2000 3200
Highest boosted ISO 6400 -
Minimum native ISO 100 80
RAW pictures
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
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 11 3
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 32-95mm (3.0x)
Largest aperture - f/3.1-5.9
Macro focusing range - 6cm
Total lenses 151 -
Crop factor 1.5 5.9
Screen
Range of display Fixed Type Fixed Type
Display diagonal 3 inches 2.7 inches
Display resolution 921k dot 230k dot
Selfie friendly
Liveview
Touch operation
Display tech TFT color LCD with AR coating -
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.61x -
Features
Slowest shutter speed 30 seconds 4 seconds
Maximum shutter speed 1/8000 seconds 1/2000 seconds
Continuous shooting speed 5.0 frames per second -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash distance 13.00 m 3.50 m
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless -
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1280 x 720 (15 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 1280x720 1280x720
Video file 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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750g (1.65 lbs) 145g (0.32 lbs)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO All around rating 61 not tested
DXO Color Depth rating 22.6 not tested
DXO Dynamic range rating 10.6 not tested
DXO Low light rating 536 not tested
Other
Battery life 980 photographs -
Battery format Battery Pack -
Battery ID D-LI90 2 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/MMC SD/SDHC, Internal
Storage slots 1 1
Cost at launch $599 $100