Sony A6000 vs Pentax K-3 II: A Detailed Comparison

Sony A6000 vs Pentax K-3 II: Here we compare the Sony Alpha A6000 and the Pentax K-3 II. The A6000 is a semi-pro mirrorless camera with a 24.0MP APS-C sensor. The Pentax K-13 II is a semi-pro DSLR also with a 24.0MP APS-C sensor. Here are the main specifications before we go into detail.

Sony A6000 vs Pentax K-3 II Specs

Sony A6000 vs Pentax K-3 II Comparison

Sony A6000 vs Pentax K-3 II Comparison


Sony A6000

Pentax K-3 II

Megapixels 24.3 24.3
Sensor Type CMOS CMOS
Sensor Format APS-C APS-C
Crop Factor 1.5x 1.5x
AA Filter Yes On/Off
Image Resolution 6000 x 4000 6016 x 4000
Body Image Stabilization No Yes
Lens Mount Sony E Pentax K
ISO 100 -25,600 100 – 51,200
Expanded ISO 51,200 None
AF Points 179 27
Cross-type AF Points 179 phase 25
Continuous Mode 11fps 8fps
LCD 3.0″ – Articulating 3.2″ – Fixed
LCD Resolution 921,600 dots 1,036,800 dots
Touchscreen No No
Focus Peaking Yes Yes
Top LCD Display No Yes
Viewfinder Type EVF (1.44M) Optical
Viewfinder Coverage 100% 100%
Viewfinder Magnification 1.07x 0.95x
Video Resolution 1920×1080 (60/24p) 1920×1080 (60i/50i/30/25/24p)
1280×720 (60/50p)
Microphone Jack No Yes
Headphone Jack No Yes
Memory Card Type SD or MS Pro SD + SD
Dual Card Slots No Yes
Fastest Shutter Speed 1/4000 1/8000
Slowest Shutter Speed 30″ 30″
Bulb Mode Yes Yes
JPEG Buffer Size 47 60
RAW Buffer Size 22 22
Time Lapse Yes Yes
Built-in Flash Yes No
Max Flash Sync Speed 1/160 1/180
Startup Time 2.2s 1.2s
Built-in Wi-Fi Yes No
Built-in GPS No Yes
Built-in NFC Yes No
Bluetooth No No
USB Type USB 2.0 USB 3.0
Environmentally Sealed Yes Yes
Battery Life (CIPA) 360 shots 720 shots
Battery Included Yes (NP-FW50) Yes (D-LI90)
Weight 12.1 oz (344g) 27.07 oz (785g)
Size 4.7 x 2.6 x 1.8″ 5.2 x 4.0 x 3.1″
Price Amazon Amazon
Release Date 2014 2015

Pentax K-3 II vs Sony A6000 Common Features

External Flash Shoe Yes vs Yes
Viewfinder Yes (Electronic) vs Yes (Optical)
RAW Support Yes vs Yes
Face Detection Focus Yes vs Yes
Max Resolution 24 MP vs 24 MP
LCD Screen Size 3″ vs 3.2″
LCD Screen Resolution 922k dots vs 1.037k dots
Continuous Shooting 11.0fps vs 8.3fps
AE Bracketing Yes vs Yes

Sony A6000 vs Pentax K-3 II Size Comparison

The Sony A6000 is the smaller of the two digital cameras. Its body is 11mm narrower, 33mm shorter and 32mm thinner than the Pentax K-3 II. Furthermore, the Sony A6000 is significantly lighter than the Pentax K-3 II. It weighs 456g less.

Sony A6000 vs Pentax K-3 II Comparison

Sony A6000 vs Pentax K-3 II Comparison

Also, an additional factor to weight is the lenses that you plan to use with your digital cameras. However, both cameras have the same size sensor. Hence, lenses at a similar aperture and focal lend tend to be the same weight.

Sony A6000 vs Pentax K-3 II Sensor Comparison

Both these digital cameras feature an APS-C sized 24.0 MP resolution sensor. Hence, sensor size and resolution are not different between these two cameras.

The K-3 II also lacks an anti-alias (Low-Pass) filter. The Pentax sensor provides sharper details, however, at the same time, it increases the chance of moire.

They both have the same sensor area so they provide the same level of control over the depth of field when used with same focal length and aperture.

Why You Should Choose The Sony A6000

Wireless Connection Built-InvsOptional
Articulating Screen YesvsNo
Built-in Flash YesvsNo
Number of Focus Points 179vs27
Continuous Shooting 11.0fps vs 8.3fps
Weight 344 g vs 800 g
Color Depth 24.1 vs 23.6
Low-Light ISO 1347 vs 1106
Price $498 vs $846
NFC Connection Yes vs No

Advantages of the Sony A6000 Over Pentax K-3 II

  • AF Points – 179 vs 27.
  • Continuous mode – 11fps vs 8fps. More is better for sports and wildlife since you have more chances of getting a tack sharp shot.
  • LCD – It’s articulated.
  • Viewfinder Magnification – Higher magnification.
  • Flash Built-in
  • Wi-Fi Built-in
  • NFC Built-in
  • Weight – The Sony A6000 weighs 441g less.
  • Size – The Sony A6000 is noticeably smaller.

Video: Sony A6000 Hands-on Review

Why You Should Choose The Pentax K-3 II

Built-in Image Stabilization Sensor-shift vs None
GPS Built-in vs None
Max ISO 51.200 vs 25.600
LCD Screen Size 3.2″ vs 3″
LCD Screen Resolution 1.037k dots vs 922k dots
 Max Shutter Speed 1/8000s vs 1/4000s
Battery Life 720 shots vs 360 shots
Microphone Port Yes vs No
Headphone Port Yes vs No
Environmental Sealing Yes vs No
Timelapse Recording Yes vs With optional app
Dynamic Range 13.6 vs 13.1
Top LCD Yes vs No
Flash Sync Port Yes vs No
Pixel Shift High-Resolution Mode Yes vs No
Anti-Alias Filter Simulator Yes vs No
Astrotracer Mode Yes vs No
 Storage Slot vs 

Advantages of the Pentax K-3 II Over the Sony A6000

  • AA Filter – You can turn it on and off.
  • Body Image Stabilization – The Pentax K-3 II has built-in body stabilization for photos and videos, which is an excellent feature for traveling and shooting in low light.
  • LCD – 3.2″ vs 3.0″.
  • Resolution of LCD– Higher resolution.
  • Top LCD Display – When shooting in semi-auto/manual modes, you can quickly preview all of your settings.
  • Microphone Jack – If you’re going to record videos where audio quality is important, a microphone jack is super helpful.
  • Headphone Jack – Useful for previewing your audio quality straight out the camera.
  • Dual Card Slots – More room for extra photos, or simply for backup.
  • Faster Max Shutter Speed – 1/8000 vs 1/4000.
  • JPEG Buffer Size – 60 vs 47.
  • Max Flash Sync Speed – 1/180 vs 1/160.
  • Built-in GPS
  • USB 3.0 – Faster file transferring out the camera.
  • Battery Life – 720 shots vs 360 shots.

Video: Pentax K-3 II Hands-on Review


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