General

Pentax K-S1 Sony Alpha A5000
Brand
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Pentax Sony
Lowest price
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$329.00 $498.00
Announced
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August 2014 January 2014

Sensor

Type
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CMOS CMOS
Crop factor
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1.5x 1.5x
Megapixels
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21.1 MP 19.8 MP
Light sensitivity
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51,200 ISO 16,000 ISO
Light sensitivity (boost)
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Unknown Unknown
Sensor cleaning
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Yes No

Sensor (Advanced)

True resolution
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21.1 MP 19.8 MP
Native resolution
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5472 × 3848 5456 × 3632
Pixel size
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17.7 µm² 18.5 µm²

Screen

Type
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LCD LCD
Size
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3" 3"
Resolution
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921k dots 460k dots
Touch screen
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No No
Flips out
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No Yes
Live view
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Yes Yes

Lenses

Lens availability
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113 lenses 62 lenses
Lens mount
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Pentax K Sony E

Form factor

Size
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121×93×70 mm 110×63×36 mm
Depth
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2.8" 1.4"
Weight
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558 g 210 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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No No
Built-in focus motor
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Yes No

Viewfinder

Type
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Pentaprism None
Viewfinder size
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0.63x n/a
Coverage
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100% n/a

Movies

Format
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1080p @ 30fps 1080p @ 24fps
Supports 24p
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Yes Yes
High-speed framerate
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None None
External mic jack
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No No
Autofocus
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Contrast detection Contrast detection
Continuous focus
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Yes Yes
All formats
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  1. 480p @ 24fps
  2. 480p @ 25fps
  3. 480p @ 30fps
  4. 720p @ 24fps
  5. 720p @ 25fps
  6. 720p @ 30fps
  7. 720p @ 50fps
  8. 720p @ 60fps
  9. 1080p @ 24fps
  10. 1080p @ 25fps
  11. 1080p @ 30fps
  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 24fps

Features

Panorama
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No Yes
HDR
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Yes Yes
3D
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No No
Image stabilization
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  1. Sensor shift
None
Supports RAW
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Yes Yes
GPS
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Yes No

Performance

Startup delay
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Unknown Unknown
Shutter lag
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Unknown Unknown
Battery life
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480 shots 420 shots
Continuous shooting
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5.4 fps 3.5 fps

Focus system

Autofocus
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Phase detection Contrast detection
Focus points
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11 25
Cross type focus points
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9 Unknown

Shutter

Max
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1/6000s 1/4000s
Min
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30s 30s

Flash

Built-in flash
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Yes Yes
Popup
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Yes Yes
External connection
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Yes No

Storage

Storage slots
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1 1
Supported formats
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  1. SD
  2. SDHC
  3. SDXC
  1. SD
  2. SDHC
  3. SDXC

DXO Mark Scores

Image quality
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78.0 79.0
Color depth
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23.5 bits 23.8 bits
Dynamic range
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13 EV 13 EV
Low light performance
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1,061 ISO 1,089 ISO
Pentax K-S1
K-S1
Pentax

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Sony Alpha A5000
Alpha A5000
Sony

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