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Pentax X70 vs Sony A7S II

Portability
71
Imaging
34
Features
34
Overall
34
Pentax X70 front
 
Sony Alpha A7S II front
Portability
68
Imaging
61
Features
76
Overall
67

Pentax X70 vs Sony A7S II Key Specs

Pentax X70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 50 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-624mm (F2.8-5.0) lens
  • 410g - 110 x 83 x 90mm
  • Announced March 2009
Sony A7S II
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 102400 (Expand to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 627g - 127 x 96 x 60mm
  • Launched October 2015
  • Earlier Model is Sony A7S
  • Successor is Sony A7S III
Photography Glossary

Pentax X70 vs Sony A7S II Overview

Below is a comprehensive analysis of the Pentax X70 versus Sony A7S II, one being a Small Sensor Superzoom and the latter is a Pro Mirrorless by rivals Pentax and Sony. The sensor resolution of the X70 (12MP) and the A7S II (12MP) is pretty similar but the X70 (1/2.3") and A7S II (Full frame) posses different sensor size.

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The X70 was announced 7 years prior to the A7S II and that is quite a big gap as far as technology is concerned. Both of these cameras feature different body design with the Pentax X70 being a SLR-like (bridge) camera and the Sony A7S II being a SLR-style mirrorless camera.

Before we go into a step-by-step comparison, here is a simple summation of how the X70 scores vs the A7S II with regards to portability, imaging, features and an overall grade.

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Reasons to pick Pentax X70 over the Sony A7S II

 X70 A7S II 

Reasons to pick Sony A7S II over the Pentax X70

 A7S II X70 
LaunchedOctober 2015March 2009More recent by 80 months
Screen typeTiltingFixed Tilting screen
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution1229k230kSharper screen (+999k dot)

Common features in the Pentax X70 and Sony A7S II

 X70 A7S II 
Manual focus Dial accurate focus
Selfie screen Neither includes selfie screen
Touch screen Neither includes Touch screen

Pentax X70 vs Sony A7S II Physical Comparison

In case you're planning to lug around your camera, you have to consider its weight and proportions. The Pentax X70 features outside measurements of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") accompanied by a weight of 410 grams (0.90 lbs) while the Sony A7S II has measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") with a weight of 627 grams (1.38 lbs).

See the Pentax X70 versus Sony A7S II in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that time. Here is a front view over all size comparison of the X70 versus the A7S II.

Pentax X70 vs Sony A7S II size comparison

Considering dimensions and weight, the portability rating of the X70 and A7S II is 71 and 68 respectively.

Pentax X70 vs Sony A7S II top view buttons comparison

Pentax X70 vs Sony A7S II Sensor Comparison

Quite often, it is hard to picture the contrast between sensor measurements purely by reviewing technical specs. The graphic underneath will give you a more clear sense of the sensor sizing in the X70 and A7S II.

As you can tell, both of the cameras come with the identical megapixel count albeit different sensor measurements. The X70 uses the tinier sensor which should make getting shallow depth of field trickier. The older X70 is going to be disadvantaged with regard to sensor innovation.

Pentax X70 vs Sony A7S II sensor size comparison

Pentax X70 vs Sony A7S II Screen and ViewFinder

Pentax X70 vs Sony A7S II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 Portrait photography info
Sony A7S II Portrait photography info
28
focusing manually
no external flash support
sensor resolution low (12 megapixels)
sensor size is very small (1/2.3")
doesn't have RAW format
68
focusing manually
large sensor size (Full frame)
provides face detection focus
supports RAW formats
low megapixels (12 megapixels)
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Street Comparison

Pentax X70 Street photography factors
Sony A7S II Street photography factors
46
built in image stabilization (Sensor-shift)
no moving screen
sensor size is very small (1/2.3")
doesn't have RAW format
78
screen tilts
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW formats
weather proof
good high ISO (102,400)
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Sports Comparison

Pentax X70 Sports photography info
Sony A7S II Sports photography info
50
long zoom range (26-624mm 24.0 x zoom)
built in image stabilization (Sensor-shift)
has tracking focus
supports phase detect autofocus
sensor resolution low (12 megapixels)
sensor size is very small (1/2.3")
58
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
provides tracking autofocus
weather proof
slow continuous shooting (5.0 frames per second)
low megapixels (12MP)
not so great battery pack (370 shots)
does not have phase detect auto focus
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Travel Comparison

Pentax X70 as a Travel photography camera
Sony A7S II as a Travel photography camera
52
flash built-in
pretty wide (26mm)
long reach (624mm)
doesn't have Timelapse function
sensor resolution low (12 megapixels)
screen is not selfie friendly
slow max aperture (f2.8)
49
weather proof
not so great battery pack (370 shots)
low megapixels (12 megapixels)
display is not selfie friendly
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Landscape Comparison

Pentax X70 Landscape photography info
Sony A7S II Landscape photography info
35
focusing manually
pretty wide (26mm)
built in image stabilization (Sensor-shift)
can't swap lenses (fixed lens mount)
slow max aperture (f2.8)
small screen (2.7")
sensor resolution low (12MP)
sensor size is very small (1/2.3")
doesn't have RAW format
doesn't have Timelapse function
71
focusing manually
switch lenses (Sony E mount)
pretty good screen size (3 inches)
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
good high ISO (102,400)
supports RAW formats
weather proof
low megapixels (12 megapixels)
not so great battery pack (370 per charge)
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Vlogging Comparison

Pentax X70 Vlogging factors
Sony A7S II Vlogging factors
24
pretty wide (26mm)
built in image stabilization (Sensor-shift)
slow max aperture (f2.8)
screen is not selfie friendly
video res low (1280 x 720 pxls)
doesn't have microphone jack
35
image stabilization (Sensor based 5-axis)
provides face detection focus
high quality video (3840 x 2160 pxls)
comes with external microphone jack
display is not selfie friendly
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Pentax X70 vs Sony A7S II Specifications

Detailed spec comparison table for Pentax X70 and Sony A7S II
 Pentax X70Sony Alpha A7S II
General Information
Company Pentax Sony
Model type Pentax X70 Sony Alpha A7S II
Class Small Sensor Superzoom Pro Mirrorless
Announced 2009-03-02 2015-10-12
Body design SLR-like (bridge) SLR-style mirrorless
Sensor Information
Chip - Bionz X
Sensor type CCD CMOS
Sensor size 1/2.3" Full frame
Sensor measurements 6.17 x 4.55mm 35.6 x 23.8mm
Sensor surface area 28.1mm² 847.3mm²
Sensor resolution 12 megapixel 12 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Max resolution 4000 x 3000 4240 x 2832
Max native ISO 6400 102400
Max enhanced ISO - 409600
Lowest native ISO 50 100
RAW support
Lowest enhanced ISO - 50
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 9 169
Lens
Lens support fixed lens Sony E
Lens zoom range 26-624mm (24.0x) -
Max aperture f/2.8-5.0 -
Macro focusing distance 10cm -
Amount of lenses - 121
Crop factor 5.8 1
Screen
Range of display Fixed Type Tilting
Display diagonal 2.7" 3"
Display resolution 230 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.78x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/4000 secs 1/8000 secs
Continuous shutter speed - 5.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 9.10 m no built-in flash
Flash settings - no built-in flash
Hot shoe
AEB
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 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 4K (3840 x 2160 @ 30p/24p [60-100Mbps]), Full HD (1920 x 1080 @ 120p/60p/60i/30p/24p [50-100Mbps]), 720p (30p [16Mbps])
Max video resolution 1280x720 3840x2160
Video data format Motion JPEG MPEG-4, AVCHD, XAVC S
Microphone input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 410g (0.90 lb) 627g (1.38 lb)
Physical dimensions 110 x 83 x 90mm (4.3" x 3.3" x 3.5") 127 x 96 x 60mm (5.0" x 3.8" x 2.4")
DXO scores
DXO Overall rating not tested 85
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 2993
Other
Battery life - 370 photographs
Battery format - Battery Pack
Battery ID D-LI92 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting With downloadable app
Storage media SD/SDHC, Internal SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Single Single
Cost at release $200 $2,767