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Pentax I-10 vs Sony A9 II

Portability
93
Imaging
34
Features
24
Overall
30
Pentax Optio I-10 front
 
Sony Alpha A9 Mark II front
Portability
62
Imaging
74
Features
93
Overall
81

Pentax I-10 vs Sony A9 II Key Specs

Pentax I-10
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Revealed January 2010
Sony A9 II
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Expand to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 678g - 129 x 96 x 76mm
  • Released October 2019
  • Earlier Model is Sony A9
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Pentax I-10 vs Sony A9 II Overview

Below is a comprehensive review of the Pentax I-10 vs Sony A9 II, former being a Small Sensor Compact while the other is a Pro Mirrorless by competitors Pentax and Sony. There is a substantial difference between the image resolutions of the I-10 (12MP) and A9 II (24MP) and the I-10 (1/2.3") and A9 II (Full frame) posses different sensor size.

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The I-10 was released 10 years earlier than the A9 II and that is quite a big difference as far as tech is concerned. Both the cameras have different body design with the Pentax I-10 being a Compact camera and the Sony A9 II being a SLR-style mirrorless camera.

Before diving right into a step-by-step comparison, here is a concise summary of how the I-10 scores versus the A9 II for portability, imaging, features and an overall grade.

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Reasons to pick Pentax I-10 over the Sony A9 II

 I-10 A9 II 

Reasons to pick Sony A9 II over the Pentax I-10

 A9 II I-10 
ReleasedOctober 2019January 2010More recent by 117 months
Display typeTiltingFixed Tilting display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution1440k230kSharper display (+1210k dot)
Touch display Easily navigate

Common features in the Pentax I-10 and Sony A9 II

 I-10 A9 II 
Manually focus Dial precise focusing
Selfie screen Neither provides selfie screen

Pentax I-10 vs Sony A9 II Physical Comparison

For anybody who is intending to lug around your camera often, you will need to consider its weight and dimensions. The Pentax I-10 provides physical dimensions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs) and the Sony A9 II has dimensions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") and a weight of 678 grams (1.49 lbs).

Check out the Pentax I-10 vs Sony A9 II in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary dependant on the lens you have chosen at that moment. Below is a front view measurements comparison of the I-10 versus the A9 II.

Pentax I-10 vs Sony A9 II size comparison

Taking into consideration size and weight, the portability score of the I-10 and A9 II is 93 and 62 respectively.

Pentax I-10 vs Sony A9 II top view buttons comparison

Pentax I-10 vs Sony A9 II Sensor Comparison

In many cases, it's hard to visualize the gap between sensor measurements merely by going over technical specs. The visual here should offer you a greater sense of the sensor sizes in the I-10 and A9 II.

As you can tell, both of the cameras have different resolutions and different sensor measurements. The I-10 due to its tinier sensor is going to make achieving shallow depth of field tougher and the Sony A9 II will deliver greater detail as a result of its extra 12MP. Greater resolution will enable you to crop photos a bit more aggressively. The older I-10 is going to be disadvantaged with regard to sensor innovation.

Pentax I-10 vs Sony A9 II sensor size comparison

Pentax I-10 vs Sony A9 II Screen and ViewFinder

Pentax I-10 vs Sony A9 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax I-10 as a Portrait photography camera
Sony A9 II as a Portrait photography camera
27
you can focus manually
no manual exposure
external flash not possible
megapixel count low (12 megapixels)
small sensor size (1/2.3")
has no RAW format
84
you can focus manually
good resolution (24 megapixels)
great sensor size (Full frame)
features face detection autofocus
delivers RAW formats
Photography Glossary

Street Comparison

Pentax I-10 Street photography factors
Sony A9 II Street photography factors
56
has image stabilization (Sensor-shift)
no moving screen
small sensor size (1/2.3")
has no RAW format
78
has a tilting screen
image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
delivers RAW formats
offers touch focus
environment proofing
above average ISO range (51,200)
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Sports Comparison

Sports photography with Pentax I-10
Sports photography with Sony A9 II
31
has image stabilization (Sensor-shift)
has tracking autofocus
painfully slow continuous shooting (1.0 fps)
lack of shutter priority mode
megapixel count low (12 megapixels)
small sensor size (1/2.3")
has no phase detect auto focus
87
max shutter speed is good (1/8,000s)
quiet mode (1/32,000s)
fast shooting (20.0 frames/s)
image stabilization (Sensor based 5-axis)
good resolution (24MP)
great sensor size (Full frame)
features tracking autofocus
environment proofing
good battery life (690 per charge)
sensor has phase detect autofocus
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Travel Comparison

Pentax I-10 Travel photography features
Sony A9 II Travel photography features
57
built-in flash
fairly wide (28mm)
no Timelapse function
megapixel count low (12MP)
does not have selfie friendly display
slow max aperture (f3.5)
72
good battery life (690 CIPA)
environment proofing
connects via bluetooth
offers touch focus
good resolution (24 megapixels)
does not posses selfie friendly display
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Landscape Comparison

Pentax I-10 Landscape photography information
Sony A9 II Landscape photography information
36
you can focus manually
fairly wide (28mm)
has image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
slow max aperture (f3.5)
tiny screen (2.7 inch)
no manual exposure
megapixel count low (12 megapixels)
small sensor size (1/2.3")
has no RAW format
no Timelapse function
85
you can focus manually
interchangeable lenses (Sony E mount)
pretty good screen size (3 inch)
image stabilization (Sensor based 5-axis)
good resolution (24 megapixels)
great sensor size (Full frame)
above average ISO range (51,200)
delivers RAW formats
environment proofing
good battery life (690 per charge)
two card slots
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Vlogging Comparison

Pentax I-10 as a Vlogging camera
Sony A9 II as a Vlogging camera
28
fairly wide (28mm)
has image stabilization (Sensor-shift)
slow max aperture (f3.5)
does not have selfie friendly display
video resolution low (1280 x 720 resolution)
no external microphone port
36
touchscreen
image stabilization (Sensor based 5-axis)
features face detection autofocus
high quality video (3840 x 2160 pixels)
includes external mic socket
does not posses selfie friendly display
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Pentax I-10 vs Sony A9 II Specifications

Detailed spec comparison table for Pentax I-10 and Sony A9 II
 Pentax Optio I-10Sony Alpha A9 Mark II
General Information
Brand Pentax Sony
Model type Pentax Optio I-10 Sony Alpha A9 Mark II
Type Small Sensor Compact Pro Mirrorless
Revealed 2010-01-25 2019-10-03
Physical type Compact SLR-style mirrorless
Sensor Information
Powered by Prime BIONZ X
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.6 x 23.8mm
Sensor surface area 28.1mm² 847.3mm²
Sensor resolution 12MP 24MP
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2
Highest Possible resolution 4000 x 3000 6000 x 4000
Maximum native ISO 6400 51200
Maximum enhanced ISO - 204800
Lowest native ISO 80 100
RAW photos
Lowest enhanced ISO - 50
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 693
Lens
Lens mount type fixed lens Sony E
Lens zoom range 28-140mm (5.0x) -
Max aperture f/3.5-5.9 -
Macro focusing range 10cm -
Number of lenses - 121
Focal length multiplier 5.8 1
Screen
Type of display Fixed Type Tilting
Display diagonal 2.7" 3"
Resolution of display 230k dots 1,440k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 3,686k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.78x
Features
Minimum shutter speed 4 secs 30 secs
Fastest shutter speed 1/2000 secs 1/8000 secs
Fastest quiet shutter speed - 1/32000 secs
Continuous shutter rate 1.0 frames per sec 20.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 4.00 m no built-in flash
Flash modes Auto, On, Off, Red-eye, Soft Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 1280x720 3840x2160
Video file format Motion JPEG MPEG-4, AVCHD, H.264
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 153 gr (0.34 lbs) 678 gr (1.49 lbs)
Physical dimensions 101 x 65 x 28mm (4.0" x 2.6" x 1.1") 129 x 96 x 76mm (5.1" x 3.8" x 3.0")
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 - 690 pictures
Battery type - Battery Pack
Battery ID D-LI92 NP-FZ100
Self timer Yes (2 or 10 sec) Yes (2, 5, 10 secs + continuous, 3 or 5 frames)
Time lapse shooting
Storage type SD/SDHC, Internal Dual SD/SDHC/SDXC slots (UHS-II compatible)
Card slots 1 2
Cost at release $310 $4,498