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Pentax K-1 II vs Sony A850

Portability
55
Imaging
77
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Alpha DSLR-A850 front
Portability
54
Imaging
68
Features
60
Overall
64

Pentax K-1 II vs Sony A850 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
  • Released February 2018
  • Superseded the Pentax K-1
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced April 2010
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Pentax K-1 II vs Sony A850 Overview

Here is a thorough comparison of the Pentax K-1 II versus Sony A850, both Advanced DSLR digital cameras by rivals Pentax and Sony. There exists a crucial gap between the image resolutions of the K-1 II (36MP) and A850 (25MP) but both cameras provide the identical sensor measurements (Full frame).

Photography Glossary

The K-1 II was released 7 years later than the A850 and that is quite a serious gap as far as technology is concerned. The two cameras feature the same body design (Mid-size SLR).

Before getting into a detailed comparison, here is a simple highlight of how the K-1 II matches up vs the A850 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-1 II over the Sony A850

 K-1 II A850 
AnnouncedFebruary 2018April 2010Fresher by 96 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution1037k922kClearer screen (+115k dot)

Reasons to pick Sony A850 over the Pentax K-1 II

 A850 K-1 II 

Common features in the Pentax K-1 II and Sony A850

 K-1 II A850 
Manually focus Dial accurate focusing
Selfie screen Neither contains selfie screen
Touch friendly screen Lacking Touch friendly screen

Pentax K-1 II vs Sony A850 Physical Comparison

If you're aiming to carry your camera regularly, you are going to need to think about its weight and volume. The Pentax K-1 II has got outer measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) while the Sony A850 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

See the Pentax K-1 II versus Sony A850 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached during that time. Underneath is a front view dimension comparison of the K-1 II against the A850.

Pentax K-1 II vs Sony A850 size comparison

Using dimensions and weight, the portability rating of the K-1 II and A850 is 55 and 54 respectively.

Pentax K-1 II vs Sony A850 top view buttons comparison

Pentax K-1 II vs Sony A850 Sensor Comparison

Typically, its hard to envision the difference between sensor sizing purely by going over a spec sheet. The graphic underneath should offer you a greater sense of the sensor sizing in the K-1 II and A850.

Clearly, both of those cameras feature the identical sensor size albeit not the same resolution. You should count on the Pentax K-1 II to deliver extra detail as a result of its extra 11 Megapixels. Higher resolution will allow you to crop shots way more aggressively. The more recent K-1 II is going to have a benefit with regard to sensor tech.

Pentax K-1 II vs Sony A850 sensor size comparison

Pentax K-1 II vs Sony A850 Screen and ViewFinder

Pentax K-1 II vs Sony A850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 II as a Portrait photography camera
Sony A850 as a Portrait photography camera
86
has manual focus
amazing megapixels (36 megapixels)
sensor size is big (Full frame)
supports face detection focus
supports RAW formats
72
has manual focus
fantastic megapixels (25 megapixels)
big sensor size (Full frame)
exports RAW files
does not have liveview
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Street Comparison

Street photography with Pentax K-1 II
Street photography with Sony A850
70
screen articulates fully
has image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
supports RAW formats
weather proof
great ISO range (819,200)
heavier than competitors (1,010g)
66
image stabilization (Sensor based)
big sensor size (Full frame)
exports RAW files
weather sealing
screen is fixed
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Sports Comparison

Pentax K-1 II Sports photography highlights
Sony A850 Sports photography highlights
77
high shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
amazing megapixels (36 megapixels)
sensor size is big (Full frame)
supports tracking autofocus
weather proof
comes with phase detect auto focus
slow continuous shooting (4.4 frames/s)
low battery pack (670 CIPA)
71
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
fantastic megapixels (25MP)
big sensor size (Full frame)
weather sealing
has phase detect autofocus
does not have liveview
max fps low (3.0 frames per second)
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Travel Comparison

Pentax K-1 II as a Travel photography camera
Sony A850 as a Travel photography camera
53
weather proof
amazing megapixels (36 megapixels)
low battery pack (670 per charge)
heavier than competitors (1,010g)
does not offer selfie friendly display
55
weather sealing
fantastic megapixels (25 megapixels)
does not have Timelapse recording
doesn't have selfie friendly screen
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Landscape Comparison

Pentax K-1 II Landscape photography highlights
Sony A850 Landscape photography highlights
82
has manual focus
interchangeable lenses (Pentax KAF4 mount)
pretty good screen size (3.2 inch)
has image stabilization (Sensor based 5-axis)
amazing megapixels (36MP)
sensor size is big (Full frame)
does not have anti-alias filter
great ISO range (819,200)
supports RAW formats
weather proof
2 card slots
low battery pack (670 shots)
73
has manual focus
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3")
image stabilization (Sensor based)
fantastic megapixels (25MP)
big sensor size (Full frame)
exports RAW files
weather sealing
has dual storage slots
does not have liveview
does not have Timelapse recording
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Vlogging Comparison

Pentax K-1 II as a Vlogging camera
Sony A850 as a Vlogging camera
32
has image stabilization (Sensor based 5-axis)
supports face detection focus
video resolution high (1920 x 1080 pixels)
does have external mic support
does not offer selfie friendly display
heavier than competitors (1,010g)
9
no video
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Pentax K-1 II vs Sony A850 Specifications

Detailed spec comparison table for Pentax K-1 II and Sony A850
 Pentax K-1 Mark IISony Alpha DSLR-A850
General Information
Manufacturer Pentax Sony
Model Pentax K-1 Mark II Sony Alpha DSLR-A850
Type Advanced DSLR Advanced DSLR
Released 2018-02-22 2010-04-15
Body design Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip PRIME IV Bionz
Sensor type CMOS CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.9 x 24mm
Sensor surface area 861.6mm² 861.6mm²
Sensor resolution 36 megapixel 25 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest resolution 7360 x 4912 6048 x 4032
Highest native ISO 819200 3200
Highest boosted ISO - 6400
Min native ISO 100 200
RAW pictures
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 33 9
Cross focus points 25 -
Lens
Lens mount Pentax KAF4 Sony/Minolta Alpha
Total lenses 151 143
Crop factor 1 1
Screen
Screen type Fully Articulated Fixed Type
Screen diagonal 3.2 inches 3 inches
Resolution of screen 1,037 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch capability
Screen tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 98%
Viewfinder magnification 0.7x 0.74x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/8000 seconds
Continuous shooting speed 4.4fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 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 Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
White balance bracketing
Highest flash sync 1/200 seconds 1/250 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) -
Highest video resolution 1920x1080 None
Video data format MPEG-4, H.264 -
Microphone 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 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010g (2.23 lb) 895g (1.97 lb)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around score not tested 79
DXO Color Depth score not tested 23.8
DXO Dynamic range score not tested 12.2
DXO Low light score not tested 1415
Other
Battery life 670 images 880 images
Style of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FM500H
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC (UHS-I) Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Storage slots 2 2
Pricing at launch $1,737 $0