Pentax K-7 vs Pentax E90
60 Imaging
54 Features
69 Overall
60


94 Imaging
33 Features
11 Overall
24
Pentax K-7 vs Pentax E90 Key Specs
(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
(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

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.

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.

Pentax K-7 vs Pentax E90 Gallery
This is a sample of the gallery pictures for Pentax K-7 and Pentax Optio E90. The entire galleries are provided at Pentax K-7 Gallery and Pentax E90 Gallery.
Reasons to pick Pentax K-7 over the Pentax E90
K-7 | E90 | |||
---|---|---|---|---|
Manual focus | ![]() | More precise focusing | ||
Display dimensions | 3" | ![]() | 2.7" | Larger display (+0.3") |
Display resolution | 921k | ![]() | 230k | Clearer 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 | |||
---|---|---|---|---|
Released | October 2009 | ![]() | January 2010 | Similar generation |
Display type | Fixed | ![]() | 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.
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.

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

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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-7 vs Pentax E90 Specifications
Pentax K-7 | Pentax 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 |