Clicky

Pentax K-1 vs Sony A9

Portability
55
Imaging
75
Features
82
Overall
77
Pentax K-1 front
 
Sony Alpha A9 front
Portability
65
Imaging
73
Features
93
Overall
81

Pentax K-1 vs Sony A9 Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Announced February 2016
  • Refreshed by Pentax K-1 II
Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 673g - 127 x 96 x 63mm
  • Released April 2017
  • Replacement is Sony A9 II
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

Pentax K-1 vs Sony A9 Overview

Following is a in depth analysis of the Pentax K-1 and Sony A9, one is a Advanced DSLR and the latter is a Pro Mirrorless by competitors Pentax and Sony. There exists a crucial gap among the image resolutions of the K-1 (36MP) and A9 (24MP) but they come with the same exact sensor measurements (Full frame).

Sora from OpenAI releases its first ever music video

The K-1 was announced 14 months before the A9 which makes the cameras a generation away from one another. Each of these cameras offer different body type with the Pentax K-1 being a Mid-size SLR camera and the Sony A9 being a SLR-style mirrorless camera.

Before delving through a in depth comparison, below is a short summary of how the K-1 scores vs the A9 for portability, imaging, features and an overall score.

Meta to Introduce 'AI-Generated' Labels for Media starting next month
	
	

Reasons to pick Pentax K-1 over the Sony A9

 K-1 A9 
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen sizing3.2"3"Bigger screen (+0.2")

Reasons to pick Sony A9 over the Pentax K-1

 A9 K-1 
ReleasedApril 2017February 2016More modern by 14 months
Screen resolution1440k1037kCrisper screen (+403k dot)
Touch screen Quickly navigate

Common features in the Pentax K-1 and Sony A9

 K-1 A9 
Manually focus Dial accurate focus
Selfie screen Neither has selfie screen

Pentax K-1 vs Sony A9 Physical Comparison

If you're intending to carry around your camera regularly, you have to think about its weight and dimensions. The Pentax K-1 has outside dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") and a weight of 1010 grams (2.23 lbs) while the Sony A9 has dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).

Examine the Pentax K-1 and Sony A9 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at the time. Here is the front view proportions comparison of the K-1 and the A9.

Pentax K-1 vs Sony A9 size comparison

Factoring in dimensions and weight, the portability rating of the K-1 and A9 is 55 and 65 respectively.

Pentax K-1 vs Sony A9 top view buttons comparison

Pentax K-1 vs Sony A9 Sensor Comparison

Normally, it is very hard to see the difference in sensor sizes simply by researching specifications. The image underneath will help provide you a far better sense of the sensor dimensions in the K-1 and A9.

Plainly, both of those cameras offer the same exact sensor sizing albeit not the same resolution. You should expect the Pentax K-1 to render greater detail with its extra 12 Megapixels. Higher resolution can also enable you to crop pictures a little more aggressively. The more aged K-1 will be disadvantaged in sensor innovation.

Pentax K-1 vs Sony A9 sensor size comparison

Pentax K-1 vs Sony A9 Screen and ViewFinder

Pentax K-1 vs Sony A9 Screen and Viewfinder comparison
Photobucket discusses licensing 13 billion images with AI firms

Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-1
Portrait photography with Sony A9
85
has manual focus
MP count amazing (36MP)
sensor size is big (Full frame)
comes with face detection autofocus
supports RAW files
83
manual focus
good MP (24MP)
sensor size is large (Full frame)
includes face detect focusing
exports RAW files
Photography Glossary

Street Comparison

Pentax K-1 Street photography info
Sony A9 Street photography info
70
screen can move to multiple angles
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
supports RAW files
environment proofing
great ISO range (204,800)
more heavy than average (1,010 grams)
79
screen tilts
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW files
features focus via touch
weather proof
above average high ISO (51,200)
Pentax 17 Pre-Orders Outperform Expectations by a Landslide

Sports Comparison

Pentax K-1 Sports photography factors
Sony A9 Sports photography factors
76
great max shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
MP count amazing (36 megapixels)
sensor size is big (Full frame)
comes with tracking autofocus
environment proofing
comes with phase detect autofocus
max fps low (4.4 fps)
bad battery pack (760 CIPA)
86
high shutter speed (1/8,000 seconds)
quiet mode (1/32,000 seconds)
fast shooting (20.0 frames per second)
image stabilization (Sensor based 5-axis)
good MP (24MP)
sensor size is large (Full frame)
includes tracking focus
weather proof
good battery power (650 per charge)
supports phase detect AF
Snapchat Adds Watermarks to AI-Created Images

Travel Comparison

Travel photography with Pentax K-1
Travel photography with Sony A9
53
environment proofing
MP count amazing (36MP)
bad battery pack (760 shots)
more heavy than average (1,010 grams)
screen isn't selfie friendly
73
good battery power (650 shots)
weather proof
has bluetooth
features focus via touch
good MP (24MP)
doesn't offer selfie friendly display
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

Landscape Comparison

Landscape photography with Pentax K-1
Landscape photography with Sony A9
81
has manual focus
swap lenses (Pentax KAF2 mount)
screen is a decent size (3.2")
image stabilization (Sensor based 5-axis)
MP count amazing (36 megapixels)
sensor size is big (Full frame)
no anti-alias filter
great ISO range (204,800)
supports RAW files
environment proofing
2 card slots
bad battery pack (760 shots)
85
manual focus
switch lenses (Sony E mount)
nice screen size (3 inch)
image stabilization (Sensor based 5-axis)
good MP (24MP)
sensor size is large (Full frame)
above average high ISO (51,200)
exports RAW files
weather proof
good battery power (650 per charge)
two card slots
President Biden pushes bill mandating TikTok sale or ban

Vlogging Comparison

Pentax K-1 Vlogging features
Sony A9 Vlogging features
31
image stabilization (Sensor based 5-axis)
comes with face detection autofocus
high res video (1920 x 1080 pxls)
does have external microphone support
screen isn't selfie friendly
more heavy than average (1,010g)
36
has touchscreen
image stabilization (Sensor based 5-axis)
includes face detect focusing
high quality video (3840 x 2160 pixels)
comes with microphone socket
doesn't offer selfie friendly display
Samsung Releases Faster Versions of EVO MicroSD Cards

Pentax K-1 vs Sony A9 Specifications

Detailed spec comparison table for Pentax K-1 and Sony A9
 Pentax K-1Sony Alpha A9
General Information
Company Pentax Sony
Model Pentax K-1 Sony Alpha A9
Category Advanced DSLR Pro Mirrorless
Announced 2016-02-17 2017-04-19
Physical type Mid-size SLR SLR-style mirrorless
Sensor Information
Processor Chip - BIONZ X
Sensor type CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.6 x 23.8mm
Sensor surface area 861.6mm² 847.3mm²
Sensor resolution 36MP 24MP
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Maximum resolution 7360 x 4912 6000 x 4000
Maximum native ISO 204800 51200
Maximum boosted ISO - 204800
Lowest native ISO 100 100
RAW format
Lowest boosted ISO - 50
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 33 693
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF2 Sony E
Total lenses 151 121
Crop factor 1 1
Screen
Display type Fully Articulated Tilting
Display sizing 3.2 inch 3 inch
Display resolution 1,037k dots 1,440k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 3,686k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.78x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/8000 secs 1/8000 secs
Highest quiet shutter speed - 1/32000 secs
Continuous shooting rate 4.4 frames per sec 20.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
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 Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/200 secs -
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) -
Maximum video resolution 1920x1080 3840x2160
Video data format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 gr (2.23 lb) 673 gr (1.48 lb)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 127 x 96 x 63mm (5.0" x 3.8" x 2.5")
DXO scores
DXO All around score 96 92
DXO Color Depth score 25.4 24.9
DXO Dynamic range score 14.6 13.3
DXO Low light score 3280 3517
Other
Battery life 760 pictures 650 pictures
Style of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FZ100
Self timer Yes (2 or 12 sec, custom) Yes (2, 5, 10 secs + continuous)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC (UHS-I) Dual SD/SDHC/SDXC slots (UHS-II compatible)
Card slots 2 2
Pricing at launch $1,499 $4,498