Pentax K-3 II vs Sony Alpha A77

Pentax K-3 II
Sony Alpha A77

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Reasons For

8 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.

More total megapixels Edit
The Pentax K-3 II is a 24.71MP digital camera. That's 0.010000000000002MP more than the Sony Alpha A77 (24.7MP).
Smaller maximum aperture number Edit
The Pentax K-3 II is a 38 maximum aperture digital camera. That's 2 smaller than the Sony Alpha A77 (36).
2mm longer maximum focal length (35mm film equiv) Edit
Pentax K-3 II is 84.5mm maximum focal length, but the Sony Alpha A77 is only an 82.5mm maximum focal length digital camera (2mm shorter).
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.

1% shorter lens length Edit
The Pentax K-3 II is a 68.5mm lens length digital camera. That's 0.5mm shorter than the Sony Alpha A77 (69mm).
Slightly smaller lens diameter Edit
The Pentax K-3 II has a lens diameter of 68.5mm, however the Sony Alpha A77 is a 69.5mm lens diameter digital camera (1mm bigger).
720.00 battery life (CIPA standard)s Edit
The number of battery life (CIPA standard)s on the Pentax K-3 II is 720.00, but the Sony Alpha A77 only takes 480.00 battery life (CIPA standard)s. 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.

7 Reasons For
2% shorter minimum focal length (35mm film equiv) Edit
Sony Alpha A77 is 27mm minimum focal length. That's 0.5mm shorter than the Pentax K-3 II (27mm).
One more number of diaphragm blades Edit
The Sony Alpha A77 is a seven number of diaphragm blades digital camera, whereas the Pentax K-3 II only has six number of diaphragm bladess.
50 smaller ISO sensitivity (min) Edit
The Sony Alpha A77 is a 50 minimum ISO speed digital camera. That's 50 smaller than the Pentax K-3 II (50).
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.

A little lighter lens weight Edit
The Sony Alpha A77 has a lens weight of 210g, whereas the Pentax K-3 II is a 230g lens weight digital camera (20g heavier).

Reasons Against

7 Reasons Against
Longer minimum focal length (35mm film equiv) Edit
The Pentax K-3 II has a minimum focal length (35mm film equiv) of 27.5mm. That's 0.5mm longer than the Sony Alpha A77 (27mm).
One less number of diaphragm blades Edit
The number of number of diaphragm bladess on the Pentax K-3 II is six, but the Sony Alpha A77 only has seven number of diaphragm bladess.
Bigger ISO sensitivity (min) Edit
Pentax K-3 II is 100 minimum ISO speed. That's 50 bigger than the Sony Alpha A77 (50).
Does not have a vari-angle LCD display Edit
The Pentax K-3 II does not have a vari-angle LCD display, however the Sony Alpha A77 does.
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.

20g heavier lens weight Edit
The Pentax K-3 II has a lens weight of 230g, but the Sony Alpha A77 is a 210g lens weight digital camera (20g lighter).
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.

1% less total megapixels Edit
The Sony Alpha A77 is a 24.7MP digital camera. That's 0.010000000000002MP less than the Pentax K-3 II (24.7MP).
6% bigger maximum aperture number Edit
The Sony Alpha A77 has a maximum aperture number of 36. That's 2 bigger than the Pentax K-3 II (36).
A bit 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 an 84.5mm maximum focal length digital camera (2mm longer).
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.

Longer lens length Edit
The Sony Alpha A77 is a 69mm lens length digital camera. That's 0.5mm longer than the Pentax K-3 II (69mm).
1mm bigger lens diameter Edit
The Sony Alpha A77 has a lens diameter of 69.5mm, but the Pentax K-3 II is a 68.5mm lens diameter digital camera (1mm smaller).
Only 480.00 battery life (CIPA standard)s Edit
The Sony Alpha A77 is a digital camera that takes 480.00 battery life (CIPA standard)s, whereas the Pentax K-3 II only takes 720.00 battery life (CIPA standard)s. 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.

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Older by four months
The Sony Alpha A77 is four months older than the Pentax K-3 II.

Date Released

20 months Ago 25 months Ago

Picture Quality

Camera Type
 SLR
 SLR
Megapixel
24.35MP
BEST
24.3MP
Image Stabilizer
 Image stabilizer
 Image stabilizer
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
Image Stabilizer Location
 Body
 Body
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 of Product
 Black
 Black
Material
 Magnesium
 Metal
 Magnesium
 Metal

Lens System

Optical Zoom
3x Unknown - Click to provide data
Digital Zoom
Unknown - Click to provide data 4x
Maximum Aperture Number
38
BEST
36
Minimum Aperture Number
3.5 3.5
Maximum Focal Length (35mm Film Equiv)
84.5mm
BEST
82.5mm
Minimum Focal Length (35mm Film Equiv)
27.5mm 27mm
BEST
Focal Length Range (f-F)
18 - 55 18 - 55
Lens Type
 Wide-angle
 Wide-angle
Lens Structure (elements/groups)
11/8 8/7
Lens Mount Interface
 Pentax K
 Pentax KA
 Pentax KAF
 Pentax KAF2
 Sony A
 Pentax K
 Pentax KA
 Pentax KAF
 Pentax KAF2
 Sony A
Number of Diaphragm Blades
6 7
BEST
Filter Size
52mm 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
 1280x720@60fps
 1920x1080@25fps
 1280x720@50fps
 1280x720@30fps
 1280x720@24fps
BEST
 1920x1080@60fps
 1920x1080@50fps
 1920x1080@30fps
 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"
Magnification
0.95x Unknown - Click to provide data
Viewfinder Type
 Optical
 Electronic
 Optical
 Electronic

Ports & Interfaces

PictBridge
 PictBridge
Unknown - Click to provide data
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
 Micro-USB B
 Micro-USB
 Micro-USB B

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
 INC
 DAN
 DUT
 GRE
 CZE
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 INC

Weight & Dimensions

Weight
700g 647g
BEST
Height
102.5mm 104.2mm
Depth
77.5mm 80.9mm
Width
131.5mm 142.6mm
Lens Weight
230g 210g
BEST
Lens Length
68.5mm
BEST
69mm
Lens Diameter
68.5mm
BEST
69.5mm
Weight (including Battery)
785g 726g
BEST

Battery

Power Source Type
 Battery
 Battery
Battery Technology
 Lithium-Ion (Li-Ion)
BEST
 Lithium-Ion (Li-Ion)
Number of Batteries Supported
Unknown - Click to provide data 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

Windows Operating Systems Supported
 Windows operating systems supported
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

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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