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Nikon D90 vs Pentax K-7

Portability
60
Imaging
52
Features
52
Overall
52
Nikon D90 front
 
Pentax K-7 front
Portability
60
Imaging
55
Features
69
Overall
60

Nikon D90 vs Pentax K-7 Key Specs

Nikon D90
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200 (Boost to 6400)
  • 1280 x 720 video
  • Nikon F Mount
  • 703g - 132 x 103 x 77mm
  • Announced October 2008
  • Replaced the Nikon D80
  • Updated by Nikon D7000
Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 2000 (Increase to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Introduced October 2009
  • New Model is Pentax K-5
Photography Glossary

Nikon D90 vs Pentax K-7 Overview

Below is a in-depth analysis of the Nikon D90 vs Pentax K-7, both Advanced DSLR cameras by companies Nikon and Pentax. The resolution of the D90 (12MP) and the K-7 (15MP) is fairly close and they possess the same exact sensor measurements (APS-C).

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The D90 was released 11 months earlier than the K-7 and they are both of a similar age. Both the cameras offer the identical body type (Mid-size SLR).

Before diving straight into a in depth comparison, below is a concise overview of how the D90 matches up vs the K-7 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Nikon D90 over the Pentax K-7

 D90 K-7 

Reasons to pick Pentax K-7 over the Nikon D90

 K-7 D90 
IntroducedOctober 2009October 2008More recent by 11 months
Display resolution921k920kSharper display (+1k dot)

Common features in the Nikon D90 and Pentax K-7

 D90 K-7 
Manual focus Very precise focusing
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display measurements
Selfie screen Lacking selfie screen
Touch friendly display Lacking Touch friendly display

Nikon D90 vs Pentax K-7 Physical Comparison

If you are intending to lug around your camera, you will have to factor in its weight and proportions. The Nikon D90 has exterior measurements of 132mm x 103mm x 77mm (5.2" x 4.1" x 3.0") along with a weight of 703 grams (1.55 lbs) while the Pentax K-7 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 750 grams (1.65 lbs).

Check the Nikon D90 vs Pentax K-7 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ depending on the lens you are using at the time. The following is the front view dimensions comparison of the D90 versus the K-7.

Nikon D90 vs Pentax K-7 size comparison

Using size and weight, the portability rating of the D90 and K-7 is 60 and 60 respectively.

Nikon D90 vs Pentax K-7 top view buttons comparison

Nikon D90 vs Pentax K-7 Sensor Comparison

Generally, it can be difficult to visualise the gap in sensor measurements just by viewing a spec sheet. The photograph underneath may offer you a better sense of the sensor sizing in the D90 and K-7.

Clearly, both cameras enjoy the same exact sensor sizing but not the same megapixels. You can anticipate the Pentax K-7 to render extra detail as a result of its extra 3 Megapixels. Greater resolution can also enable you to crop photos far more aggressively. The older D90 will be disadvantaged in sensor innovation.

Nikon D90 vs Pentax K-7 sensor size comparison

Nikon D90 vs Pentax K-7 Screen and ViewFinder

Nikon D90 vs Pentax K-7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D90 Portrait photography highlights
Pentax K-7 Portrait photography highlights
63
focusing manually
nice sensor size (APS-C)
supports face detect focus
saves RAW files
sensor resolution low (12MP)
73
has manual focus
decent MP (15MP)
sensor size is decent (APS-C)
has face detection focus
exports RAW formats
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Street Comparison

Nikon D90 Street photography factors
Pentax K-7 Street photography factors
54
nice sensor size (APS-C)
saves RAW files
fixed screen
does not have image stabilization
66
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW formats
weather proofing
no articulating screen
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Sports Comparison

Nikon D90 Sports photography features
Pentax K-7 Sports photography features
46
nice sensor size (APS-C)
has phase detect auto focus
slow continuous shooting (4.5 frames per second)
does not have image stabilization
sensor resolution low (12 megapixels)
70
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based)
decent MP (15 megapixels)
sensor size is decent (APS-C)
weather proofing
comes with phase detect auto focus
low fps (5.0 frames/s)
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Travel Comparison

Travel photography with Nikon D90
Travel photography with Pentax K-7
44
built-in flash
does not have Time Lapse function
sensor resolution low (12MP)
display isn't selfie friendly
65
weather proofing
decent MP (15MP)
has built in flash
doesn't have a selfie friendly screen
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Landscape Comparison

Nikon D90 Landscape photography highlights
Pentax K-7 Landscape photography highlights
58
focusing manually
switch lenses (Nikon F mount)
screen is a good size (3 inches)
nice sensor size (APS-C)
saves RAW files
does not have image stabilization
sensor resolution low (12MP)
does not have Time Lapse function
78
has manual focus
change lenses (Pentax KAF2 mount)
decent sized screen (3 inch)
image stabilization (Sensor based)
decent MP (15MP)
sensor size is decent (APS-C)
exports RAW formats
weather proofing
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Vlogging Comparison

Nikon D90 as a Vlogging camera
Pentax K-7 as a Vlogging camera
21
supports face detect focus
display isn't selfie friendly
does not have image stabilization
low quality video (1280 x 720 pxls)
does not have mic support
25
image stabilization (Sensor based)
has face detection focus
doesn't have a selfie friendly screen
video resolution low (1280 x 720 pixels)
lack of external microphone support
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Nikon D90 vs Pentax K-7 Specifications

Detailed spec comparison table for Nikon D90 and Pentax K-7
 Nikon D90Pentax K-7
General Information
Manufacturer Nikon Pentax
Model type Nikon D90 Pentax K-7
Category Advanced DSLR Advanced DSLR
Announced 2008-10-13 2009-10-02
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Chip - Prime II
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.6 x 15.8mm 23.4 x 15.6mm
Sensor surface area 372.9mm² 365.0mm²
Sensor resolution 12 megapixels 15 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Maximum resolution 4288 x 2848 4672 x 3104
Maximum native ISO 3200 2000
Maximum boosted ISO 6400 6400
Min native ISO 200 100
RAW support
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 11 11
Lens
Lens mount type Nikon F Pentax KAF2
Amount of lenses 309 151
Crop factor 1.5 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 3 inch 3 inch
Resolution of screen 920 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Screen tech Super Density TFT color LCD with wide-viewing angle TFT color LCD with AR coating
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 96% 100%
Viewfinder magnification 0.64x 0.61x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting rate 4.5 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance 17.00 m (at ISO 100) 13.00 m
Flash modes Auto, On, Off, Front curtain, Rear curtain, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
AEB
WB bracketing
Highest flash synchronize 1/200 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 424 (24 fps), 320 x 216 (24 fps) 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution 1280x720 1280x720
Video format Motion JPEG Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 703g (1.55 lb) 750g (1.65 lb)
Dimensions 132 x 103 x 77mm (5.2" x 4.1" x 3.0") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO All around rating 73 61
DXO Color Depth rating 22.7 22.6
DXO Dynamic range rating 12.5 10.6
DXO Low light rating 977 536
Other
Battery life 850 photos 980 photos
Form of battery Battery Pack Battery Pack
Battery ID EN-EL3e D-LI90
Self timer Yes (2, 5, 10 or 20 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC SD/SDHC/MMC
Card slots Single Single
Price at launch $1,199 $599