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Pentax K-3 II vs Sony Alpha A77

Pentax K-3 II vs Sony Alpha A77

(13)
Pentax K-3 II
Sony Alpha A77

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Reasons For

9 Reasons For
Higher megapixel Edit
The Pentax K-3 II is a 24.35MP digital camera. That's 0.050000000000001MP higher than the Sony Alpha A77 (24.3MP). Read more

The resolution of the images a digital camera produces is measured in megapixels (MP). One megapixel is equal to 1 million pixels and is a result of the pixel width multiplied by the pixel height of the image. While a higher image resolution generally results in sharper images, only a relatively low megapixel count is required when printing the image at a small size or to display it on a computer screen.

A sensor with more megapixels will be able to capture more detailed photos and the image will appear sharper. Images with more megapixels can also be printed at a larger size.

124.5mm longer maximum focal length (35mm film equiv) Edit
Pentax K-3 II is 207mm maximum focal length, but the Sony Alpha A77 is only an 82.5mm maximum focal length digital camera (124.5mm shorter).
11% shorter minimum focal length (35mm film equiv) Edit
The Pentax K-3 II has a minimum focal length (35mm film equiv) of 24.5mm. That's 2.5mm shorter than the Sony Alpha A77 (27mm).
7% larger display diagonal Edit
The Pentax K-3 II is a 3.2" screen digital camera. That's 0.2" larger than the Sony Alpha A77 (3"). Read more

The display diagonal is the size the size of the screen integrated in to the back of the camera. A larger display diagonal makes it easier to see if a shot has turned out as intended. Pocket cameras have smaller display diagonals as full size digital SLRs.

A larger display diagonal makes it easier to take photos and to see if a shot has turned out as intended.

720.00 battery life (CIPA standard) Edit
The number of battery life (CIPA standard) on the Pentax K-3 II is 720.00, but the Sony Alpha A77 only takes 480.00 battery life (CIPA standard). Read more

The number of shots per battery charge is the number of photos that the camera will typically take on a single charge of the battery.

More shots per battery charge means you will have to recharge the battery less frequently and reduces the need to carry a second back up battery.

Cheaper by £250
The Pentax K-3 II costs £250 less than the Sony Alpha A77.
1 shops are selling it
A greater number of shops increases the chances of the product remaining in stock and also increases the price competition amongst retailers for this digital camera.
Better selling
The Pentax K-3 II ranks No. 13684 by number of sales, however the Sony Alpha A77 ranks No. 28164.
Better user reviews
The average user review score of the Pentax K-3 II is 97%, however the average rating of the Sony Alpha A77 is 92% (based on 221 reviews).
6 Reasons For
5% smaller maximum aperture number Edit
The Sony Alpha A77 has a maximum aperture number of 40. That's 2 smaller than the Pentax K-3 II (40).
Vari-angle LCD display Edit
The Sony Alpha A77 has a vari-angle LCD display, however the Pentax K-3 II does not have a vari-angle LCD display.
191,800 pixels higher display resolution (numeric) Edit
The Sony Alpha A77 is a 1,228,800 pixels display resolution digital camera. That's 191,800 pixels higher than the Pentax K-3 II (1,228,800 pixels).
A little lighter Edit
The Sony Alpha A77 has a weight of 647g, whereas the Pentax K-3 II is a 700g digital camera (53g heavier). Read more

The camera's weight will depend on the type and size of camera. Compact cameras are usually the lightest while digital SLRs will be heavier. Also consider the number and weight of lenses to take when using a SLR.

The lower the camera weight, the easier it will be to carry around and it will also reduce your hand luggage weight when flying.

Twenty-four more awards
The Sony Alpha A77 has 25 awards from expert review sites, however the Pentax K-3 II has 1 award.
A bit better expert reviews
Based on 129 expert reviews, the average review score of the Sony Alpha A77 is 86%, but the average rating of the Pentax K-3 II is 82% (based on 6 reviews).

Reasons Against

5 Reasons Against
Bigger maximum aperture number Edit
The Pentax K-3 II is a 38 maximum aperture digital camera. That's 2 bigger than the Sony Alpha A77 (40).
Lower display resolution (numeric) Edit
Pentax K-3 II is only 1,037,000 pixels display resolution. That's 191,800 pixels lower than the Sony Alpha A77 (1,228,800 pixels).
53g heavier Edit
The Pentax K-3 II has a weight of 700g, but the Sony Alpha A77 is a 647g digital camera (53g lighter). Read more

The camera's weight will depend on the type and size of camera. Compact cameras are usually the lightest while digital SLRs will be heavier. Also consider the number and weight of lenses to take when using a SLR.

The lower the camera weight, the easier it will be to carry around and it will also reduce your hand luggage weight when flying.

Twenty-four less awards
The Pentax K-3 II has only received 1 award, whereas the Sony Alpha A77 has received 25 awards.
Expert review Rating is marginally Worse
The Pentax K-3 II's average expert score is 82%, however the Sony Alpha A77's is 86% (based on 129 reviews).
10 Reasons Against
1% lower megapixel Edit
The Sony Alpha A77 is a 24.3MP digital camera. That's 0.050000000000001MP lower than the Pentax K-3 II (24.3MP). Read more

The resolution of the images a digital camera produces is measured in megapixels (MP). One megapixel is equal to 1 million pixels and is a result of the pixel width multiplied by the pixel height of the image. While a higher image resolution generally results in sharper images, only a relatively low megapixel count is required when printing the image at a small size or to display it on a computer screen.

A sensor with more megapixels will be able to capture more detailed photos and the image will appear sharper. Images with more megapixels can also be printed at a larger size.

2x shorter maximum focal length (35mm film equiv) Edit
The Sony Alpha A77 is an 82.5mm maximum focal length digital camera, whereas the Pentax K-3 II is a 207mm maximum focal length digital camera (124.5mm longer).
10% longer minimum focal length (35mm film equiv) Edit
Sony Alpha A77 is 27mm minimum focal length. That's 2.5mm longer than the Pentax K-3 II (27mm).
Smaller display diagonal Edit
The Sony Alpha A77 has a display diagonal of 3". That's 0.2" smaller than the Pentax K-3 II (3"). Read more

The display diagonal is the size the size of the screen integrated in to the back of the camera. A larger display diagonal makes it easier to see if a shot has turned out as intended. Pocket cameras have smaller display diagonals as full size digital SLRs.

A larger display diagonal makes it easier to take photos and to see if a shot has turned out as intended.

Only 480.00 battery life (CIPA standard) Edit
The Sony Alpha A77 is a digital camera that takes 480.00 battery life (CIPA standard), whereas the Pentax K-3 II only takes 720.00 battery life (CIPA standard). Read more

The number of shots per battery charge is the number of photos that the camera will typically take on a single charge of the battery.

More shots per battery charge means you will have to recharge the battery less frequently and reduces the need to carry a second back up battery.

More expensive by £250
The Sony Alpha A77 is £250 more expensive than the Pentax K-3 II.
Not as many stockists
The Sony Alpha A77 is only stocked by 11 shops, however the Pentax K-3 II is stocked by 12 shops. Read more
Fewer numbers of sellers reduces the chances of the product remaining in stock and also reduces the price competition amongst retailers for this digital camera.
Older by one year
The Sony Alpha A77 is one year older than the Pentax K-3 II.
Less popular
The Sony Alpha A77 is a less popular choice amongst buyers. It ranks No. 28164 by number of sales in our digital cameras, but the Pentax K-3 II ranks No. 13684.
User review Rating is Worse
The Sony Alpha A77 has an average user score of 92%, but the Pentax K-3 II has an average user rating of 97% (based on 7 reviews).

Awards

1 Award
photoreview.com.au: Editor's Choice
25 Awards
01net.com: 5 Star
Akam.no: Recommended
buy-n-shoot.com: Platinum
camcorderinfo.com: Editor's Choice
Camera Labs: Highly Recommended
chip.com.my: Outstanding
Digital Versus: 5 Star
Digitaltrends.com: Editor's Choice
DP Review: Silver
Ephotozine: Highly Recommended
gagadget.com: Recommended
Les Numeriques.com: 5 Star
ljudochbild.se: Especially Recommended
log.com.tr: Editor's Choice
Lydogbilde.no: Especially Recommended 5 star
lydogbillede.dk: Especially Recommended 5 Star
M3.idg.se: Recommended
Magnus.de: Test Winner
PC Mag: Editor's Choice
PhotographyBlog.com: Essential
photoreview.com.au: Editor's Choice
Pocket Lint: Hot Product
reviewed.com: Editor's Choice
Trusted Reviews: Recommended
What Digital Camera: Gold

Average Expert Rating

Average User Rating

Date Released

16 months Ago 28 months Ago

Picture Quality

Camera Type
 SLR
 SLR
Megapixel
24.35MP
BEST
24.3MP
Sensor Type
 CMOS
 CMOS
Still Image Resolution(s)
 6016 x 4000
 4608 x 3072
 3072 x 2048
 1920 x 1280
 6000 x 4000
 12416 x 1856
 6000 x 3376
 8192 x 1856
 4240 x 2832
 5536 x 2160
 4240 x 2400
 3872 x 2160
 3008 x 2000
 3008 x 1688
BEST
 6016 x 4000
 4608 x 3072
 3072 x 2048
 1920 x 1280
 6000 x 4000
 12416 x 1856
 6000 x 3376
 8192 x 1856
 4240 x 2832
 5536 x 2160
 4240 x 2400
 3872 x 2160
 3008 x 2000
 3008 x 1688
Maximum Image Resolution
 6016 x 4000
BEST
 6016 x 4000
Image Formats Supported
 RAW
 JPG
 EXIF
 RAW
 JPG
 EXIF
Image Sensor Size (W X H)
23.5 x 15.6 23.5 x 15.6
Total Megapixels
24.71MP
BEST
24.7MP
Sensor Format
 Advanced Photo System type-C (APS-C)
 Advanced Photo System type-C (APS-C)
Supported Aspect Ratios
 16:9
 3:2
 16:9
 3:2
BEST

Design

Colour
 Black
 Black
Material
 Magnesium
 Metal
 Magnesium
 Metal

Lens System

Digital Zoom
Unknown - Click to provide data 4x
Maximum Aperture Number
38 40
BEST
Maximum Focal Length (35mm Film Equiv)
207mm
BEST
82.5mm
Minimum Focal Length (35mm Film Equiv)
24.5mm
BEST
27mm
Focal Length Range (f-F)
16 - 85 18 - 55
Lens Mount Interface
 Pentax KA
 Pentax KAF
 Pentax KAF2
 Pentax K
 Sony A
 Pentax KA
 Pentax KAF
 Pentax KAF2
 Pentax K
 Sony A
Diaphragm Blade
7 7
Filter Size
72mm 55mm
Mounting Type
 Bayonet
 Bayonet

Focusing

Auto Focusing (AF) Modes
 single
 continuous
 Single Auto Focus
 Continuous Auto Focus
 single
 continuous
 Single Auto Focus
 Continuous Auto Focus
Auto Focus (AF) Lock
Unknown - Click to provide data
 Auto Focus (AF) lock
Closest Focusing Distance
0.25m Unknown - Click to provide data
Auto Focus (AF) Points
27 Unknown - Click to provide data
Focus Adjustment
 Auto
 Manual
 Auto/Manual
 Auto
 Manual
 Auto/Manual
Focus
 TTL
 TTL

Light Exposure

Light Exposure Modes
 shutter priority
 aperture priority
 Auto
 Manual
 Shutter priority AE
 Aperture priority AE
 shutter priority
 aperture priority
 Auto
 Manual
 Shutter priority AE
 Aperture priority AE
BEST
ISO Sensitivity
 Auto
 100
 200
 51200
 50
 80
 800
 12800
 25600
 25
 Auto
 100
 200
 51200
 50
 80
 800
 12800
 25600
 25
ISO Sensitivity (max)
51,200 51,200
ISO Sensitivity (min)
100 50
BEST
Auto Exposure (AE) Lock
 Auto Exposure (AE) lock
Unknown - Click to provide data
Light Metering
 Evaluative (Multi-pattern)
 Centre-weighted
 Spot
 Evaluative (Multi-pattern)
 Centre-weighted
 Spot
Light Exposure Correction
 ±5EV (1/2; 1/3 EV step)
 ±5EV (1/2; 1/3 EV step)
Light Exposure Control
 Program AE
 Program AE

Shutter

Slowest Camera Shutter Speed
30s 30s
Fastest Camera Shutter Speed
1s 1s
Camera Shutter Type
 Electronic
 Electronic

Flash

Flash Modes
 Auto
 Fill-in
 Flash off
 Red-eye reduction
 Slow synchronization
 Auto
 Fill-in
 Flash off
 Red-eye reduction
 Slow synchronization
Flash Sync-Speed
1s Unknown - Click to provide data
External Flash Connector
 External flash connector
Unknown - Click to provide data
Flash Exposure Correction
 ±3EV (1/2; 1/3 EV step)
 ±3EV (1/2; 1/3 EV step)
BEST
Shoe Mounting Point
 Shoe mounting point
Unknown - Click to provide data
Shoe Mounting Point Type
 Hot
 Hot

Video

Full HD Video
 Full HD video
 Full HD video
Maximum Video Resolution
 1920 x 1080
 1920 x 1080
Video Formats Supported
 AVI
 MOV
 MPEG
 MPEG4
 H.264
 AVC
BEST
 AVI
 MOV
 MPEG
 MPEG4
 H.264
 AVC
Analog Signal Format System
 PAL
 NTSC
BEST
 PAL
 NTSC
Resolution At Capture Speed
 1920x1080@60fps
 1920x1080@50fps
 1920x1080@30fps
 1280×720@60fps
 1280x720@60fps
 1920x1080@25fps
 1280x720@50fps
 1280x720@30fps
 1280x720@24fps
BEST
 1920x1080@60fps
 1920x1080@50fps
 1920x1080@30fps
 1280×720@60fps
 1280x720@60fps
 1920x1080@25fps
 1280x720@50fps
 1280x720@30fps
 1280x720@24fps
Video Recording
 Video recording
 Video recording
HD Type
 Full HD
 Full HD

Audio

Built-In Microphone
 Built-in microphone
 Built-in microphone
Audio Formats Supported
 MP4
 AC3
 LC-AAC
 MP4
 AC3
 LC-AAC
BEST
Voice Recording
Unknown - Click to provide data
 Voice recording

Memory

Compatible Memory Cards
 SDXC
 SDHC
 SD
 Eye-Fi
 FLU
 MS PRO
 MS PRO Duo
 MSXC
 MS XC-HG Duo
 SDXC
 SDHC
 SD
 Eye-Fi
 FLU
 MS PRO
 MS PRO Duo
 MSXC
 MS XC-HG Duo

Display

Display Diagonal
3.2"
BEST
3"
Display
 LCD
 LCD
Vari-Angle LCD Display
 Vari-angle LCD display
 Vari-angle LCD display
BEST
Field of View
Unknown - Click to provide data 100%
Touchscreen
 Touchscreen
Unknown - Click to provide data
Display Resolution (numeric)
1,037,000 pixels 1,228,800 pixels
BEST

Viewfinder

Viewfinder Screen Size
Unknown - Click to provide data 0.5"
Viewfinder Type
 Optical
 Electronic
 Optical
 Electronic

Ports & Interfaces

AV Output
 AV output
Unknown - Click to provide data
DC-In Jack
 DC-in jack
Unknown - Click to provide data
USB Connector Type
 Micro-USB B
 Micro-USB B
HDMI
 HDMI
 HDMI
Microphone in
 Microphone in
Unknown - Click to provide data
HDMI Connector Type
 Micro
 Micro
USB Version
 3.0
BEST
 3.0
USB Connector
 Micro-USB B
 Micro-USB
 Micro-USB B
 Micro-USB

Camera

GPS (satellite)
 GPS (satellite)
Unknown - Click to provide data
White Balance
 Auto
 Tungsten
 Fluorescent
 Cloudy
 Daylight
 Flash
 Incandescent
 Shade
 Auto
 Tungsten
 Fluorescent
 Cloudy
 Daylight
 Flash
 Incandescent
 Shade
Shooting Modes
 Shutter priority
 Aperture priority
 Manual
 Sensitivity priority
 Shutter priority
 Aperture priority
 Manual
 Sensitivity priority
Photo Effects
 Black&White
 Sepia
 Neutral
 Vivid
 Black&White
 Sepia
 Neutral
 Vivid
Self-Timer Delay
2,12 2,10
Histogram
 Histogram
 Histogram
Dioptre Correction
 Dioptre correction
 Dioptre correction
Anti-Dust Function
 Anti-dust function
 Anti-dust function
Image Editing
 Resizing
 Rotating
 Crop
 Resizing
 Rotating
 Crop
Camera File System
 DCF 2.0
 Exif 2.3
 DCF
 Exif
 DCF 2.0
 Exif 2.3
 DCF
 Exif
Live View
Unknown - Click to provide data
 Live view
Camera Playback
 Movie
 Single image
 Slide show
 Movie
 Single image
 Slide show
Saturation Adjustment
 Saturation adjustment
 Saturation adjustment
Contrast Adjustment
 Contrast adjustment
 Contrast adjustment
Brightness Adjustment
 Brightness adjustment
 Brightness adjustment
Diopter Adjustment (D-D)
-2.5 - 1.5 -4 - 3
Scene Modes
 Landscape
 Portrait
 Night
 Night portrait
 Sports
 Sunset
 Twilight
 Landscape
 Portrait
 Night
 Night portrait
 Sports
 Sunset
 Twilight
Languages Support
 DAN
 DUT
 GRE
 CZE
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 INC
 Multi
 DAN
 DUT
 GRE
 CZE
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 INC
 Multi

Weight & Dimensions

Weight
700g 647g
BEST
Height
102.5mm 104.2mm
Depth
77.5mm 80.9mm
Width
131.5mm 142.6mm
Weight (including Battery)
785g 726g
BEST

Battery

Power Source Type
 Battery
 Battery
Battery Technology
 Lithium-Ion (Li-Ion)
BEST
 Lithium-Ion (Li-Ion)
Battery Supported
1 1
Battery Type
D-LI90 NP-FM500H
Battery Capacity
Unknown - Click to provide data 1,650mAh
Battery Life (CIPA Standard)
720 shots
BEST
480 shots
Battery Voltage
Unknown - Click to provide data 7.2V

Operational Conditions

Operating Temperature (T-T)
-10 - 40 Unknown - Click to provide data

System Requirements

Operating Systems Supported (windows)
 Operating systems supported (windows)
Unknown - Click to provide data

Packaging Content

Cables Included
 USB
 Micro-USB
 USB
 Micro-USB
BEST
Batteries Included
Unknown - Click to provide data
 Batteries included
Battery Charger Included
Unknown - Click to provide data
 Battery charger included
Carrying Case
 Carrying case
 Carrying case

Networking

Wi-Fi
Unknown - Click to provide data
 Wi-Fi
Near Field Communication (NFC)
Unknown - Click to provide data
 Near Field Communication (NFC)
Data Network
 Not supported
 Not supported

Other Features

Video Capability
 Video capability
Unknown - Click to provide data
Built-In Flash
Unknown - Click to provide data
 Built-in flash

Technical Details

Image Processor
 BIONZ
 BIONZ
Self-Timer
 Self-timer
 Self-timer
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