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Nikon Z7 II vs Sony A55

Portability
61
Imaging
81
Features
92
Overall
85
Nikon Z7 Mark II front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Nikon Z7 II vs Sony A55 Key Specs

Nikon Z7 II
(Full Review)
  • 46MP - Full frame Sensor
  • 3.2" Tilting Display
  • ISO 64 - 25600 (Boost to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Nikon Z Mount
  • 705g - 134 x 101 x 70mm
  • Released October 2020
  • Older Model is Nikon Z7
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Revealed August 2010
  • New Model is Sony A57
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Nikon Z7 II vs Sony A55 Overview

The following is a extended comparison of the Nikon Z7 II vs Sony A55, one is a Pro Mirrorless and the other is a Entry-Level DSLR by companies Nikon and Sony. There exists a huge gap between the resolutions of the Z7 II (46MP) and A55 (16MP) and the Z7 II (Full frame) and A55 (APS-C) offer totally different sensor dimensions.

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The Z7 II was released 10 years after the A55 which is quite a significant gap as far as technology is concerned. Both of the cameras feature different body design with the Nikon Z7 II being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before delving right into a in depth comparison, here is a concise overview of how the Z7 II grades vs the A55 with regards to portability, imaging, features and an overall mark.

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Reasons to pick Nikon Z7 II over the Sony A55

 Z7 II A55 
RevealedOctober 2020August 2010Newer by 124 months
Display size3.2"3"Larger display (+0.2")
Display resolution2100k921kSharper display (+1179k dot)
Touch display Easily navigate

Reasons to pick Sony A55 over the Nikon Z7 II

 A55 Z7 II 
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Take selfies

Common features in the Nikon Z7 II and Sony A55

 Z7 II A55 
Manually focus More accurate focusing

Nikon Z7 II vs Sony A55 Physical Comparison

For those who are looking to travel with your camera, you have to factor its weight and dimensions. The Nikon Z7 II provides outer measurements of 134mm x 101mm x 70mm (5.3" x 4.0" x 2.8") along with a weight of 705 grams (1.55 lbs) while the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Compare the Nikon Z7 II vs Sony A55 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen during that time. The following is a front view scale comparison of the Z7 II compared to the A55.

Nikon Z7 II vs Sony A55 size comparison

Considering dimensions and weight, the portability rating of the Z7 II and A55 is 61 and 67 respectively.

Nikon Z7 II vs Sony A55 top view buttons comparison

Nikon Z7 II vs Sony A55 Sensor Comparison

Typically, its hard to envision the contrast between sensor dimensions merely by reading through specifications. The image below will help provide you a stronger sense of the sensor sizing in the Z7 II and A55.

To sum up, each of the cameras feature different resolutions and different sensor dimensions. The Z7 II because of its larger sensor will make achieving shallow DOF less difficult and the Nikon Z7 II will give you greater detail as a result of its extra 30 Megapixels. Greater resolution will also make it easier to crop pics way more aggressively. The fresher Z7 II will have an edge with regard to sensor technology.

Nikon Z7 II vs Sony A55 sensor size comparison

Nikon Z7 II vs Sony A55 Screen and ViewFinder

Nikon Z7 II vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Nikon Z7 II
Portrait photography with Sony A55
88
you can focus manually
amazing MP (46 megapixels)
big sensor size (Full frame)
includes face detect focusing
supports RAW formats
73
focusing manually
good megapixels (16MP)
nice sensor size (APS-C)
provides face detection focusing
exports RAW formats
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Street Comparison

Nikon Z7 II Street photography details
Sony A55 Street photography details
79
screen tilts up and down
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
supports RAW formats
boasts touch to focus
environment sealing
great ISO range (25,600)
77
screen can move to multiple angles
built in image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
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Sports Comparison

Nikon Z7 II as a Sports photography camera
Sony A55 as a Sports photography camera
90
max shutter speed is good (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
amazing MP (46 megapixels)
big sensor size (Full frame)
includes tracking focus
environment sealing
sensor has phase detect AF
68
built in image stabilization (Sensor based)
good megapixels (16MP)
nice sensor size (APS-C)
comes with phase detect AF
low battery power (380 shots)
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Travel Comparison

Nikon Z7 II Travel photography information
Sony A55 Travel photography information
72
environment sealing
supports bluetooth
boasts touch to focus
amazing MP (46MP)
does not posses selfie friendly display
62
good megapixels (16MP)
has built in flash
selfie friendly display
missing Timelapse function
low battery power (380 per charge)
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Landscape Comparison

Nikon Z7 II Landscape photography factors
Sony A55 Landscape photography factors
88
you can focus manually
interchangeable lenses (Nikon Z mount)
screen is a good size (3.2")
has image stabilization (Sensor based 5-axis)
amazing MP (46MP)
big sensor size (Full frame)
no low pass filter
great ISO range (25,600)
supports RAW formats
environment sealing
2 card slots
67
focusing manually
switch lenses (Sony/Minolta Alpha mount)
good sized screen (3")
built in image stabilization (Sensor based)
good megapixels (16 megapixels)
nice sensor size (APS-C)
exports RAW formats
low battery power (380 per charge)
missing Timelapse function
Photography Glossary

Vlogging Comparison

Nikon Z7 II Vlogging factors
Sony A55 Vlogging factors
36
touchscreen enabled
has image stabilization (Sensor based 5-axis)
includes face detect focusing
high quality video (3840 x 2160 pxls)
includes mic support
does not posses selfie friendly display
78
selfie friendly display
built in image stabilization (Sensor based)
provides face detection focusing
high res video (1920 x 1080 pxls)
does have external microphone support
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Nikon Z7 II vs Sony A55 Specifications

Detailed spec comparison table for Nikon Z7 II and Sony A55
 Nikon Z7 Mark IISony SLT-A55
General Information
Company Nikon Sony
Model type Nikon Z7 Mark II Sony SLT-A55
Category Pro Mirrorless Entry-Level DSLR
Released 2020-10-14 2010-08-24
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Powered by - Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.9 x 23.9mm 23.5 x 15.6mm
Sensor area 858.0mm² 366.6mm²
Sensor resolution 46 megapixel 16 megapixel
Anti alias filter
Aspect ratio 1:1, 5:4, 3:2 and 16:9 3:2 and 16:9
Highest resolution 8256 x 5504 4912 x 3264
Highest native ISO 25600 12800
Highest boosted ISO 102400 25600
Minimum native ISO 64 100
RAW pictures
Minimum boosted ISO 32 -
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 493 15
Cross type focus points - 3
Lens
Lens support Nikon Z Sony/Minolta Alpha
Number of lenses 15 143
Focal length multiplier 1 1.5
Screen
Type of display Tilting Fully Articulated
Display diagonal 3.2 inch 3 inch
Display resolution 2,100 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,690 thousand dots 1,150 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.8x 0.73x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 10.00 m (@ ISO 100)
Flash options Front-curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, off Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash synchronize 1/200 seconds 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 3840 x 2160 @ 60p / 144 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 3840x2160 1920x1080
Video data format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 705g (1.55 lb) 500g (1.10 lb)
Physical dimensions 134 x 101 x 70mm (5.3" x 4.0" x 2.8") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around rating not tested 73
DXO Color Depth rating not tested 23.0
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 816
Other
Battery life 420 pictures 380 pictures
Form of battery Battery Pack Battery Pack
Battery ID - NP-FW50
Self timer Yes (2, 5, 10 or 20 secs) Yes (2 or 10 sec)
Time lapse feature
Storage type CFexpress (Type B), XQD, SD (UHS-II) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Dual One
Retail cost $2,997 $800