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Pentax K-1 II vs Pentax E90

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Pentax Optio E90 front
Portability
94
Imaging
33
Features
11
Overall
24

Pentax K-1 II vs Pentax E90 Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Launched February 2018
  • Previous Model is Pentax K-1
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
  • Announced January 2010
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Pentax K-1 II vs Pentax E90 Overview

In this write-up, we are evaluating the Pentax K-1 II versus Pentax E90, former is a Advanced DSLR while the other is a Small Sensor Compact and both are sold by Pentax. There is a sizable difference between the resolutions of the K-1 II (36MP) and E90 (10MP) and the K-1 II (Full frame) and E90 (1/2.3") possess totally different sensor measurements.

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The K-1 II was announced 8 years after the E90 which is quite a significant difference as far as tech is concerned. The two cameras offer different body type with the Pentax K-1 II being a Mid-size SLR camera and the Pentax E90 being a Compact camera.

Before getting straight into a complete comparison, below is a quick highlight of how the K-1 II scores versus the E90 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-1 II over the Pentax E90

 K-1 II E90 
AnnouncedFebruary 2018January 2010Newer by 99 months
Manually focus Very accurate focus
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3.2"2.7"Larger display (+0.5")
Display resolution1037k230kClearer display (+807k dot)

Reasons to pick Pentax E90 over the Pentax K-1 II

 E90 K-1 II 

Common features in the Pentax K-1 II and Pentax E90

 K-1 II E90 
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Pentax K-1 II vs Pentax E90 Physical Comparison

For anyone who is intending to travel with your camera regularly, you have to factor its weight and proportions. The Pentax K-1 II provides outer measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") and a weight of 1010 grams (2.23 lbs) and the Pentax E90 has measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 145 grams (0.32 lbs).

Check the Pentax K-1 II versus Pentax E90 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change depending on the lens you have at that moment. Below is the front view physical size comparison of the K-1 II compared to the E90.

Pentax K-1 II vs Pentax E90 size comparison

Using size and weight, the portability grade of the K-1 II and E90 is 55 and 94 respectively.

Pentax K-1 II vs Pentax E90 top view buttons comparison

Pentax K-1 II vs Pentax E90 Sensor Comparison

Generally, it's tough to see the difference between sensor dimensions simply by checking technical specs. The image here should offer you a better sense of the sensor measurements in the K-1 II and E90.

As you have seen, both of those cameras offer different megapixels and different sensor dimensions. The K-1 II having a larger sensor will make shooting shallower depth of field easier and the Pentax K-1 II will resolve extra detail with its extra 26 Megapixels. Greater resolution will also help you crop photos a little more aggressively. The more modern K-1 II is going to have a benefit with regard to sensor innovation.

Pentax K-1 II vs Pentax E90 sensor size comparison

Pentax K-1 II vs Pentax E90 Screen and ViewFinder

Pentax K-1 II vs Pentax E90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-1 II
Portrait photography with Pentax E90
86
you can focus manually
megapixel count amazing (36 megapixels)
large sensor size (Full frame)
provides face detection focus
exports RAW formats
19
focusing manually not possible
no manual control
external flash not possible
low megapixels (10MP)
very small sensor (1/2.3")
lack of RAW format
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Street Comparison

Pentax K-1 II Street photography highlights
Pentax E90 Street photography highlights
70
screen articulates fully
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
environment sealing
above average ISO range (819,200)
more heavy than competition in class (1,010g)
47
no moving screen
lack of image stabilization
very small sensor (1/2.3")
lack of RAW format
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Sports Comparison

Pentax K-1 II Sports photography info
Pentax E90 Sports photography info
77
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (36MP)
large sensor size (Full frame)
provides tracking autofocus
environment sealing
comes with phase detect auto focus
slow continuous shooting (4.4 frames/s)
low battery power (670 shots)
16
no shutter priority mode
lack of image stabilization
low megapixels (10MP)
very small sensor (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Travel photography with Pentax K-1 II
Travel photography with Pentax E90
53
environment sealing
megapixel count amazing (36 megapixels)
low battery power (670 shots)
more heavy than competition in class (1,010 grams)
display is not selfie friendly
50
has built in flash
no Timelapse recording
low megapixels (10MP)
does not offer selfie friendly screen
wide angle not great (32mm)
somewhat slow max aperture (f3.1)
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Landscape Comparison

Pentax K-1 II Landscape photography details
Pentax E90 Landscape photography details
82
you can focus manually
interchangeable lenses (Pentax KAF4 mount)
pretty good screen size (3.2 inches)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (36MP)
large sensor size (Full frame)
does not have anti aliasing filter
above average ISO range (819,200)
exports RAW formats
environment sealing
two card slots
low battery power (670 shots)
22
focusing manually not possible
fixed lens (fixed lens mount)
wide angle not great (32mm)
somewhat slow max aperture (f3.1)
screen is somewhat small (2.7 inch)
no manual control
lack of image stabilization
low megapixels (10 megapixels)
very small sensor (1/2.3")
lack of RAW format
no Timelapse recording
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Vlogging Comparison

Pentax K-1 II as a Vlogging camera
Pentax E90 as a Vlogging camera
32
built in image stabilization (Sensor based 5-axis)
provides face detection focus
video resolution high (1920 x 1080 pixels)
does have external microphone socket
display is not selfie friendly
more heavy than competition in class (1,010 grams)
22
wide angle not great (32mm)
somewhat slow max aperture (f3.1)
does not offer selfie friendly screen
lack of image stabilization
low res video (1280 x 720 resolution)
no external microphone support
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Pentax K-1 II vs Pentax E90 Specifications

Detailed spec comparison table for Pentax K-1 II and Pentax E90
 Pentax K-1 Mark IIPentax Optio E90
General Information
Company Pentax Pentax
Model Pentax K-1 Mark II Pentax Optio E90
Category Advanced DSLR Small Sensor Compact
Launched 2018-02-22 2010-01-25
Physical type Mid-size SLR Compact
Sensor Information
Powered by PRIME IV Prime
Sensor type CMOS CCD
Sensor size Full frame 1/2.3"
Sensor measurements 35.9 x 24mm 6.08 x 4.56mm
Sensor area 861.6mm² 27.7mm²
Sensor resolution 36 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Peak resolution 7360 x 4912 3648 x 2736
Highest native ISO 819200 3200
Min native ISO 100 80
RAW photos
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 33 3
Cross focus points 25 -
Lens
Lens mount Pentax KAF4 fixed lens
Lens focal range - 32-95mm (3.0x)
Max aperture - f/3.1-5.9
Macro focus range - 6cm
Number of lenses 151 -
Focal length multiplier 1 5.9
Screen
Type of screen Fully Articulated Fixed Type
Screen diagonal 3.2 inch 2.7 inch
Resolution of screen 1,037 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.7x -
Features
Min shutter speed 30s 4s
Max shutter speed 1/8000s 1/2000s
Continuous shutter rate 4.4fps -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 3.50 m
Flash modes Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync -
Hot shoe
AE bracketing
White balance bracketing
Max flash synchronize 1/200s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1280 x 720 (15 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010g (2.23 pounds) 145g (0.32 pounds)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO Overall 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 life 670 photos -
Type of battery Battery Pack -
Battery model D-LI90 2 x AA
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/SDHC, Internal
Card slots 2 1
Launch cost $1,737 $100