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Nikon D7100 vs Sony A99

Portability
59
Imaging
64
Features
80
Overall
70
Nikon D7100 front
 
Sony SLT-A99 front
Portability
57
Imaging
69
Features
88
Overall
76

Nikon D7100 vs Sony A99 Key Specs

Nikon D7100
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 6400 (Push to 25600)
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Nikon F Mount
  • 765g - 136 x 107 x 76mm
  • Announced April 2013
  • Old Model is Nikon D7000
  • Newer Model is Nikon D7200
Sony A99
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 812g - 147 x 111 x 78mm
  • Announced December 2012
  • Replaced the Sony A900
  • Updated by Sony A99 II
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Nikon D7100 vs Sony A99 Overview

Here, we are looking at the Nikon D7100 vs Sony A99, both Advanced DSLR cameras by competitors Nikon and Sony. The image resolution of the D7100 (24MP) and the A99 (24MP) is fairly comparable but the D7100 (APS-C) and A99 (Full frame) boast totally different sensor measurements.

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The D7100 was introduced 5 months after the A99 which means that they are of a similar generation. Both of these cameras feature the same body design (Mid-size SLR).

Before we go right into a comprehensive comparison, here is a quick summary of how the D7100 scores vs the A99 in terms of portability, imaging, features and an overall mark.

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Reasons to pick Nikon D7100 over the Sony A99

 D7100 A99 
Display size3.2"3"Larger display (+0.2")

Reasons to pick Sony A99 over the Nikon D7100

 A99 D7100 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies

Common features in the Nikon D7100 and Sony A99

 D7100 A99 
AnnouncedApril 2013December 2012Same generation
Manually focus More precise focus
Display resolution1229k1229kExact same display resolution
Touch friendly display No Touch friendly display

Nikon D7100 vs Sony A99 Physical Comparison

For those who are looking to travel with your camera frequently, you'll need to consider its weight and volume. The Nikon D7100 features physical measurements of 136mm x 107mm x 76mm (5.4" x 4.2" x 3.0") having a weight of 765 grams (1.69 lbs) while the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") with a weight of 812 grams (1.79 lbs).

Analyze the Nikon D7100 vs Sony A99 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing during that time. Underneath is a front view over all size comparison of the D7100 and the A99.

Nikon D7100 vs Sony A99 size comparison

Taking into account dimensions and weight, the portability rating of the D7100 and A99 is 59 and 57 respectively.

Nikon D7100 vs Sony A99 top view buttons comparison

Nikon D7100 vs Sony A99 Sensor Comparison

Sometimes, its tough to visualise the contrast in sensor dimensions just by checking out a spec sheet. The image below will help offer you a much better sense of the sensor measurements in the D7100 and A99.

Clearly, each of the cameras come with the identical megapixel count but not the same sensor dimensions. The D7100 has the smaller sensor which will make getting shallow depth of field more challenging.

Nikon D7100 vs Sony A99 sensor size comparison

Nikon D7100 vs Sony A99 Screen and ViewFinder

Nikon D7100 vs Sony A99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D7100 Portrait photography highlights
Sony A99 Portrait photography highlights
78
focusing manually
MP count decent (24 megapixels)
sensor size is nice (APS-C)
offers face detection autofocus
delivers RAW formats
81
manual focus
decent MP (24 megapixels)
big sensor size (Full frame)
features face detection autofocus
delivers RAW files
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Street Comparison

Nikon D7100 Street photography highlights
Sony A99 Street photography highlights
60
sensor size is nice (APS-C)
delivers RAW formats
weather sealing
no moving screen
lack of image stabilization
75
screen articulates fully
image stabilization (Sensor based)
big sensor size (Full frame)
delivers RAW files
environment sealing
good ISO range (25,600)
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Sports Comparison

Nikon D7100 Sports photography information
Sony A99 Sports photography information
69
maximum shutter speed is high (1/8,000s)
MP count decent (24 megapixels)
sensor size is nice (APS-C)
offers tracking autofocus
weather sealing
supports phase detect autofocus
max frames per second very slow (6.0 fps)
lack of image stabilization
78
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
decent MP (24MP)
big sensor size (Full frame)
features tracking autofocus
environment sealing
sensor has phase detect autofocus
bad battery life (500 CIPA)
Photography Glossary

Travel Comparison

Nikon D7100 as a Travel photography camera
Sony A99 as a Travel photography camera
66
weather sealing
MP count decent (24 megapixels)
built-in flash
does not contain selfie friendly screen
60
environment sealing
decent MP (24 megapixels)
screen is selfie friendly
missing Timelapse mode
bad battery life (500 shots)
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Landscape Comparison

Landscape photography with Nikon D7100
Landscape photography with Sony A99
76
focusing manually
swap lenses (Nikon F mount)
nice screen size (3.2")
MP count decent (24 megapixels)
sensor size is nice (APS-C)
doesnt have anti aliasing filter
delivers RAW formats
weather sealing
has double storage slots
lack of image stabilization
74
manual focus
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3")
image stabilization (Sensor based)
decent MP (24 megapixels)
big sensor size (Full frame)
good ISO range (25,600)
delivers RAW files
environment sealing
has dual storage slots
bad battery life (500 per charge)
missing Timelapse mode
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Vlogging Comparison

Nikon D7100 Vlogging information
Sony A99 Vlogging information
30
offers face detection autofocus
high res video (1920 x 1080 resolution)
comes with external microphone port
does not contain selfie friendly screen
lack of image stabilization
76
screen is selfie friendly
image stabilization (Sensor based)
features face detection autofocus
video res high (1920 x 1080 resolution)
includes external microphone jack
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Nikon D7100 vs Sony A99 Specifications

Detailed spec comparison table for Nikon D7100 and Sony A99
 Nikon D7100Sony SLT-A99
General Information
Company Nikon Sony
Model Nikon D7100 Sony SLT-A99
Category Advanced DSLR Advanced DSLR
Announced 2013-04-25 2012-12-12
Body design Mid-size SLR Mid-size SLR
Sensor Information
Chip - Bionz
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor measurements 23.5 x 15.6mm 35.8 x 23.8mm
Sensor area 366.6mm² 852.0mm²
Sensor resolution 24 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 6000 x 4000 6000 x 4000
Maximum native ISO 6400 25600
Maximum enhanced ISO 25600 -
Minimum native ISO 100 100
RAW photos
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 51 19
Cross focus points 15 11
Lens
Lens mounting type Nikon F Sony/Minolta Alpha
Amount of lenses 309 143
Focal length multiplier 1.5 1
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal 3.2" 3"
Screen resolution 1,229 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Screen tech Wide Viewing Angle TFT-LCD monitor TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.63x 0.71x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/8000 secs
Continuous shutter speed 6.0fps 10.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) no built-in flash
Flash modes Auto, On, Off, Red-eye, Slow sync, Rear curtain Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
WB bracketing
Fastest flash sync 1/250 secs 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60, 50, 25, 24 fps), 1280 x 720 (60, 50 fps), 640 x 424 (30, 24 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone input
Headphone input
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional BuiltIn
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 765 grams (1.69 lb) 812 grams (1.79 lb)
Physical dimensions 136 x 107 x 76mm (5.4" x 4.2" x 3.0") 147 x 111 x 78mm (5.8" x 4.4" x 3.1")
DXO scores
DXO Overall score 83 89
DXO Color Depth score 24.2 25.0
DXO Dynamic range score 13.7 14.0
DXO Low light score 1256 1555
Other
Battery life 950 pictures 500 pictures
Style of battery Battery Pack Battery Pack
Battery model EN-EL15 NP-FM500H
Self timer Yes (2 or 10 seconds) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC x 2 slots Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
Storage slots 2 2
Launch pricing $800 $1,998