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Pentax K-1 II vs Sigma SD9

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sigma SD9 front
Portability
54
Imaging
39
Features
27
Overall
34

Pentax K-1 II vs Sigma SD9 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 Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Revealed February 2018
  • Replaced the Pentax K-1
Sigma SD9
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 400
  • 1/6000s Maximum Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Introduced November 2002
  • Updated by Sigma SD10
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Pentax K-1 II vs Sigma SD9 Overview

Lets take a deeper look at the Pentax K-1 II versus Sigma SD9, both Advanced DSLR cameras by competitors Pentax and Sigma. There exists a noticeable gap among the sensor resolutions of the K-1 II (36MP) and SD9 (3MP) and the K-1 II (Full frame) and SD9 (APS-C) have different sensor dimensions.

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The K-1 II was released 15 years after the SD9 which is a fairly sizable difference as far as camera technology is concerned. Both the cameras feature the same body design (Mid-size SLR).

Before going right into a full comparison, here is a brief summary of how the K-1 II scores versus the SD9 in regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-1 II over the Sigma SD9

 K-1 II SD9 
IntroducedFebruary 2018November 2002Newer by 186 months
Display typeFully ArticulatedFixed Fully Articulating display
Display size3.2"1.8"Larger display (+1.4")
Display resolution1037k130kSharper display (+907k dot)

Reasons to pick Sigma SD9 over the Pentax K-1 II

 SD9 K-1 II 

Common features in the Pentax K-1 II and Sigma SD9

 K-1 II SD9 
Manual focus Dial accurate focusing
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Pentax K-1 II vs Sigma SD9 Physical Comparison

For anyone who is aiming to travel with your camera regularly, you'll have to take into account its weight and size. The Pentax K-1 II provides external measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) while the Sigma SD9 has specifications of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") along with a weight of 950 grams (2.09 lbs).

Examine the Pentax K-1 II versus Sigma SD9 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change based on the lens you use during that time. Below is a front view size comparison of the K-1 II vs the SD9.

Pentax K-1 II vs Sigma SD9 size comparison

Factoring in dimensions and weight, the portability rating of the K-1 II and SD9 is 55 and 54 respectively.

Pentax K-1 II vs Sigma SD9 top view buttons comparison

Pentax K-1 II vs Sigma SD9 Sensor Comparison

Sometimes, it is very tough to imagine the gap in sensor dimensions only by seeing specifications. The image here should provide you a clearer sense of the sensor sizing in the K-1 II and SD9.

Plainly, both of those cameras feature different megapixels and different sensor dimensions. The K-1 II due to its larger sensor is going to make shooting shallower depth of field easier and the Pentax K-1 II will produce more detail as a result of its extra 33MP. Greater resolution will also let you crop pics way more aggressively. The newer K-1 II provides an advantage in sensor tech.

Pentax K-1 II vs Sigma SD9 sensor size comparison

Pentax K-1 II vs Sigma SD9 Screen and ViewFinder

Pentax K-1 II vs Sigma SD9 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 II Portrait photography info
Sigma SD9 Portrait photography info
86
has manual focus
high resolution (36 megapixels)
sensor size is great (Full frame)
comes with face detection focus
supports RAW formats
47
manual focus
sensor size is good (APS-C)
delivers RAW formats
no liveview
low megapixels (3 megapixels)
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Street Comparison

Pentax K-1 II Street photography features
Sigma SD9 Street photography features
70
screen articulates
image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW formats
weather proof
good high ISO (819,200)
heavier than others in class (1,010 grams)
43
sensor size is good (APS-C)
delivers RAW formats
no moving screen
does not have image stabilization
heavier than average (950g)
max ISO too low (400)
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Sports Comparison

Pentax K-1 II Sports photography highlights
Sigma SD9 Sports photography highlights
77
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
high resolution (36MP)
sensor size is great (Full frame)
comes with tracking autofocus
weather proof
supports phase detect auto focus
low frames per second (4.4 fps)
terrible battery pack (670 CIPA)
36
max shutter speed is good (1/6,000 seconds)
sensor size is good (APS-C)
no liveview
does not have image stabilization
low megapixels (3 megapixels)
lack of phase detect AF
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Travel Comparison

Pentax K-1 II Travel photography factors
Sigma SD9 Travel photography factors
53
weather proof
high resolution (36 megapixels)
terrible battery pack (670 shots)
heavier than others in class (1,010 grams)
does not have selfie friendly display
29
missing Time Lapse mode
heavier than average (950 grams)
low megapixels (3MP)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Pentax K-1 II
Landscape photography with Sigma SD9
82
has manual focus
switch lenses (Pentax KAF4 mount)
nice screen size (3.2 inch)
image stabilization (Sensor based 5-axis)
high resolution (36 megapixels)
sensor size is great (Full frame)
doesnt have low pass filter
good high ISO (819,200)
supports RAW formats
weather proof
has dual storage slots
terrible battery pack (670 shots)
41
manual focus
change lenses (Sigma SA mount)
sensor size is good (APS-C)
delivers RAW formats
tiny screen (1.8")
no liveview
does not have image stabilization
low megapixels (3MP)
max ISO too low (400)
missing Time Lapse mode
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Vlogging Comparison

Pentax K-1 II Vlogging features
Sigma SD9 Vlogging features
32
image stabilization (Sensor based 5-axis)
comes with face detection focus
high quality video (1920 x 1080 pxls)
comes with external mic jack
does not have selfie friendly display
heavier than others in class (1,010 grams)
9
no video
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Pentax K-1 II vs Sigma SD9 Specifications

Detailed spec comparison table for Pentax K-1 II and Sigma SD9
 Pentax K-1 Mark IISigma SD9
General Information
Company Pentax Sigma
Model type Pentax K-1 Mark II Sigma SD9
Type Advanced DSLR Advanced DSLR
Revealed 2018-02-22 2002-11-26
Body design Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip PRIME IV -
Sensor type CMOS CMOS (Foveon X3)
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 24mm 20.7 x 13.8mm
Sensor surface area 861.6mm² 285.7mm²
Sensor resolution 36 megapixels 3 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Peak resolution 7360 x 4912 2268 x 1512
Highest native ISO 819200 400
Min native ISO 100 100
RAW pictures
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 33 -
Cross type focus points 25 -
Lens
Lens mount type Pentax KAF4 Sigma SA
Total lenses 151 76
Crop factor 1 1.7
Screen
Screen type Fully Articulated Fixed Type
Screen size 3.2 inches 1.8 inches
Screen resolution 1,037 thousand dot 130 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 98%
Viewfinder magnification 0.7x 0.77x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/8000s 1/6000s
Continuous shutter speed 4.4 frames/s -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash options 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
WB bracketing
Fastest flash sync 1/200s 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) -
Highest video resolution 1920x1080 None
Video format MPEG-4, H.264 -
Mic input
Headphone input
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 1.0 (1.5 Mbit/sec)
GPS Built-in None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010 grams (2.23 lb) 950 grams (2.09 lb)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 152 x 120 x 79mm (6.0" x 4.7" x 3.1")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 670 photographs -
Type of battery Battery Pack -
Battery ID D-LI90 -
Self timer Yes (2 or 12 sec, custom) Yes (10 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC (UHS-I) Compact Flash Type I or II
Storage slots Two One
Price at release $1,737 $3,001