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Pentax Q-S1 vs Sony A7S

Portability
92 Imaging
38 Features
54 Overall
44
Pentax Q-S1 front
 
Sony Alpha A7S front
Portability
77 Imaging
60 Features
73 Overall
65

Pentax Q-S1 vs Sony A7S Key Specs

Pentax Q-S1
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax Q Mount
  • 203g - 105 x 58 x 34mm
  • Launched August 2014
Sony A7S
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 409600
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 489g - 127 x 94 x 48mm
  • Announced April 2014
  • Updated by Sony A7S II
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Pentax Q-S1 vs Sony A7S Overview

Lets look a bit more in depth at the Pentax Q-S1 versus Sony A7S, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by manufacturers Pentax and Sony. The sensor resolution of the Q-S1 (12MP) and the A7S (12MP) is relatively comparable but the Q-S1 (1/1.7") and A7S (Full frame) have different sensor dimensions.

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The Q-S1 was revealed 4 months after the A7S and they are of a similar generation. Each of the cameras feature different body design with the Pentax Q-S1 being a Rangefinder-style mirrorless camera and the Sony A7S being a SLR-style mirrorless camera.

Before diving into a in-depth comparison, here is a simple introduction of how the Q-S1 matches up vs the A7S with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax Q-S1 over the Sony A7S

		

		

			
 Q-S1 A7S 
		

	

	
	

		

		
Reasons to pick Sony A7S over the Pentax Q-S1

		

		

			
 A7S Q-S1 
Screen typeTiltingFixed Tilting screen
Screen resolution1230k460kSharper screen (+770k dot)
		

	

	
	

		

		
Common features in the Pentax Q-S1 and Sony A7S

		

		

			
 Q-S1 A7S 
AnnouncedAugust 2014April 2014Same generation
Manual focus  Dial exact focus
Screen size3"3"Same screen sizing
Selfie screen  Neither provides selfie screen
Touch friendly screen  Absent Touch friendly screen
		

	

	

	
	
	
	

	

		

		
Pentax Q-S1 vs Sony A7S Physical Comparison

		

		

			
For anyone who is intending to travel with your camera frequently, you should think about its weight and dimensions. The Pentax Q-S1 provides physical dimensions of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") having a weight of 203 grams (0.45 lbs) while the Sony A7S has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 489 grams (1.08 lbs).
Analyze the Pentax Q-S1 versus Sony A7S in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at the time. The following is a front view physical size comparison of the Q-S1 versus the A7S.
Pentax Q-S1 vs Sony A7S size comparison
Considering size and weight, the portability grade of the Q-S1 and A7S is 92 and 77 respectively.
Pentax Q-S1 vs Sony A7S top view buttons comparison		

	

	
	

		

		
Pentax Q-S1 vs Sony A7S Sensor Comparison

		

		

			
Usually, its difficult to imagine the difference in sensor dimensions merely by checking out a spec sheet. The image below should provide you a stronger sense of the sensor sizes in the Q-S1 and A7S.
Clearly, each of the cameras come with the identical MP albeit different sensor dimensions. The Q-S1 features the smaller sensor which should make obtaining bokeh tougher.
	
			Pentax Q-S1 vs Sony A7S sensor size comparison			
		

	

	
	

		

		
Pentax Q-S1 vs Sony A7S Screen and ViewFinder

		

		

					

		Pentax Q-S1 vs Sony A7S Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
 Pentax Q-S1 as a Portrait photography camera
 Sony A7S as a Portrait photography camera
46
 focusing manually
 comes with face detection autofocus
 exports RAW files
 low MP (12MP)
 tiny sensor size (1/1.7")
68
 you can focus manually
 big sensor size (Full frame)
 features face detection focus
 supports RAW files
 sensor resolution not great (12 megapixels)
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Street Comparison
 Pentax Q-S1 as a Street photography camera
 Sony A7S as a Street photography camera
69
 built in image stabilization (Sensor based)
 exports RAW files
 lighter than competition (203 grams)
 no articulating screen
 tiny sensor size (1/1.7")
76
 has a tilting screen
 big sensor size (Full frame)
 supports RAW files
 weather proof
 lighter than competitors in class (489 grams)
 above average high ISO (409,600)
 lack of image stabilization
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Sports Comparison
Pentax Q-S1 Sports photography advice
Sony A7S Sports photography advice
37
 high shutter speed (1/8,000s)
 built in image stabilization (Sensor based)
 comes with tracking autofocus
 max frames per second very slow (5.0 frames per second)
 low MP (12MP)
 tiny sensor size (1/1.7")
 low battery power (250 per charge)
 lack of phase detect autofocus
52
 great max shutter speed (1/8,000s)
 big sensor size (Full frame)
 features tracking autofocus
 weather proof
 painfully slow continuous shooting (5.0 fps)
 lack of image stabilization
 sensor resolution not great (12MP)
 terrible battery pack (360 CIPA)
 doesn't have phase detect auto focus
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Travel Comparison
Pentax Q-S1 Travel photography factors
Sony A7S Travel photography factors
60
 lighter than competition (203 grams)
 flash built-in
 low battery power (250 CIPA)
 low MP (12MP)
 screen isn't selfie friendly
58
 lighter than competitors in class (489 grams)
 weather proof
 terrible battery pack (360 shots)
 sensor resolution not great (12 megapixels)
 does not have a selfie friendly screen
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Landscape Comparison
Pentax Q-S1 Landscape photography factors
Sony A7S Landscape photography factors
55
 focusing manually
 change lenses (Pentax Q mount)
 pretty good screen size (3")
 built in image stabilization (Sensor based)
 exports RAW files
 low MP (12MP)
 tiny sensor size (1/1.7")
 low battery power (250 CIPA)
66
 you can focus manually
 change lenses (Sony E mount)
 screen is a decent size (3 inch)
 big sensor size (Full frame)
 above average high ISO (409,600)
 supports RAW files
 weather proof
 lack of image stabilization
 sensor resolution not great (12 megapixels)
 terrible battery pack (360 CIPA)
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Vlogging Comparison
 Pentax Q-S1 as a Vlogging camera
 Sony A7S as a Vlogging camera
35
 built in image stabilization (Sensor based)
 comes with face detection autofocus
 video resolution high (1920 x 1080 pxls)
 lighter than competition (203 grams)
 screen isn't selfie friendly
 doesn't have external microphone port
34
 features face detection focus
 great video quality (3840 x 2160 resolution)
 comes with external mic socket
 lighter than competitors in class (489 grams)
 does not have a selfie friendly screen
 lack of image stabilization
Photography Glossary
	

		

			
Pentax Q-S1 vs Sony A7S Specifications

		

		

					

		
		

			Detailed spec comparison table for Pentax Q-S1 and Sony A7S
 Pentax Q-S1Sony Alpha A7S
General Information
Manufacturer Pentax Sony
Model Pentax Q-S1 Sony Alpha A7S
Category Entry-Level Mirrorless Pro Mirrorless
Launched 2014-08-04 2014-04-06
Physical type Rangefinder-style mirrorless SLR-style mirrorless
Sensor Information
Chip Q Engine Bionz X
Sensor type BSI-CMOS CMOS
Sensor size 1/1.7" Full frame
Sensor dimensions 7.44 x 5.58mm 35.8 x 23.9mm
Sensor surface area 41.5mm² 855.6mm²
Sensor resolution 12 megapixels 12 megapixels
Anti aliasing 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 12800 409600
Lowest native ISO 100 100
RAW data    
Autofocusing
Focus manually    
AF touch    
Continuous AF    
AF single    
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 - 25
Lens
Lens mount Pentax Q Sony E
Amount of lenses 8 121
Crop factor 4.8 1
Screen
Type of screen Fixed Type Tilting
Screen sizing 3" 3"
Resolution of screen 460k dots 1,230k dots
Selfie friendly    
Liveview    
Touch functionality    
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.71x
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/8000s
Continuous shutter rate 5.0 frames/s 5.0 frames/s
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation Yes Yes
Custom WB    
Image stabilization    
Inbuilt flash    
Flash range 4.90 m (at ISO 100) no built-in flash
Flash modes Auto, redeye reduction, slow sync, trailing curtain sync no built-in flash
Hot shoe    
AE bracketing    
White balance bracketing    
Exposure
Multisegment metering    
Average metering    
Spot metering    
Partial metering    
AF area metering    
Center weighted metering    
Video features
Video resolutions 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p) 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps)
Max video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, XAVC
Mic port    
Headphone port    
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 sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 203g (0.45 lb) 489g (1.08 lb)
Physical dimensions 105 x 58 x 34mm (4.1" x 2.3" x 1.3") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO Overall score not tested 87
DXO Color Depth score not tested 23.9
DXO Dynamic range score not tested 13.2
DXO Low light score not tested 3702
Other
Battery life 250 shots 360 shots
Battery type Battery Pack Battery Pack
Battery model D-LI68 NP-FW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording   With downloadable app
Type of storage SD/SDHC/SDXC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots One One
Price at release $250 $1,998