Nikon D90 vs Sony Alpha A99

(116)
(143)
Nikon D90
Sony Alpha A99

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Reasons For

10 Reasons For
Longer maximum focal length (35mm film equiv) Edit
Nikon D90 is 127.5mm maximum focal length. That's 22.5mm longer than the Sony Alpha A99 (105mm).
9mm shorter minimum focal length (35mm film equiv) Edit
The Nikon D90 has a minimum focal length (35mm film equiv) of 27mm, however the Sony Alpha A99 is a 36mm minimum focal length digital camera (9mm longer).
25% higher magnification Edit
The Nikon D90 has a magnification of 0.94x, however the Sony Alpha A99 is only a 0.71x lens magnification ratio digital camera (0.23x lower). Read more

The lens magnification ratio is the ratio between the true size of the object being photographed and the size of the object when projected on to the camera's sensor.

A higher lens magnification ratio is important for macro photography as it allows you to focus on very small object very close to the lens.

Lighter Edit
The Nikon D90 is a 620g digital camera. That's 113g lighter than the Sony Alpha A99 (733g). 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.

Three times lighter lens weight Edit
The Nikon D90 is a 265g lens weight digital camera. That's 690g lighter than the Sony Alpha A99 (955g).
A lot shorter lens length Edit
The Nikon D90 has a lens length of 79mm, whereas the Sony Alpha A99 is a 111mm lens length digital camera (32mm longer).
14% smaller lens diameter Edit
The Nikon D90 is a 73mm lens diameter digital camera. That's 10mm smaller than the Sony Alpha A99 (83mm).
Three hundred and fifty more battery life (CIPA standard)s Edit
The number of battery life (CIPA standard)s on the Nikon D90 is 850.00, but the Sony Alpha A99 only takes 500.00 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.

Twelve more awards
The Nikon D90 has 22 awards, whereas the Sony Alpha A99 has 10 awards.
Expert reviews are marginally better
Based on 116 expert reviews, the Nikon D90 has an average review score of 88%, however the Sony Alpha A99 has an average rating of 86% (based on 75 reviews).
6 Reasons For
Higher megapixel Edit
The Sony Alpha A99 is a 24.3MP digital camera. That's 12MP higher than the Nikon D90 (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 Sony Alpha A99 is a 24.7MP digital camera. That's 11.8MP more than the Nikon D90 (24.7MP).
Smaller maximum aperture number Edit
The Sony Alpha A99 has a maximum aperture number of 22. That's 16.4 smaller than the Nikon D90 (22).
A lot smaller minimum aperture number Edit
Sony Alpha A99 is 2.8 minimum aperture, but the Nikon D90 is a 3.5 minimum aperture digital camera (0.7 larger).
Higher ISO sensitivity (max) Edit
Sony Alpha A99 is 25,600 maximum ISO speed. That's 22,400 higher than the Nikon D90 (25,600).
Higher display resolution (numeric) Edit
The Sony Alpha A99 is a 1,228,800 pixels display resolution digital camera. That's 308,800 pixels higher than the Nikon D90 (1,228,800 pixels).

Reasons Against

8 Reasons Against
12MP lower megapixel Edit
The Nikon D90 has a megapixel of 12.3MP, whereas the Sony Alpha A99 is a 24.3MP digital camera (12MP higher). 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.

11.8MP less total megapixels Edit
The Nikon D90 has a total megapixels of 12.9MP, but the Sony Alpha A99 is a 24.7MP digital camera (11.8MP more).
Three times bigger maximum aperture number Edit
The Nikon D90 is a 5.6 maximum aperture digital camera, whereas the Sony Alpha A99 is a 22 maximum aperture digital camera (16.4 smaller).
21% larger minimum aperture number Edit
The Nikon D90 has a minimum aperture number of 3.5. That's 0.7 larger than the Sony Alpha A99 (2.8).
22,400 lower ISO sensitivity (max) Edit
The Nikon D90 has an ISO sensitivity (max) of 3,200, however the Sony Alpha A99 is a 25,600 maximum ISO speed digital camera (22,400 higher).
308,800 pixels lower display resolution (numeric) Edit
Nikon D90 is only 920,000 pixels display resolution, but the Sony Alpha A99 is a 1,228,800 pixels display resolution digital camera (308,800 pixels higher).
Not currently available
This digital camera does not seem to be currently available. Read more
You can sign up to a price alert to be notified when this product becomes available.
Seven months older
The Nikon D90 is older than the Sony Alpha A99 by seven months.
10 Reasons Against
22.5mm shorter maximum focal length (35mm film equiv) Edit
The Sony Alpha A99 is a 105mm maximum focal length digital camera, whereas the Nikon D90 is a 127.5mm maximum focal length digital camera (22.5mm longer).
Longer minimum focal length (35mm film equiv) Edit
Sony Alpha A99 is 36mm minimum focal length. That's 9mm longer than the Nikon D90 (36mm).
33% lower magnification Edit
Sony Alpha A99 is only 0.71x lens magnification ratio. That's 0.23x lower than the Nikon D90 (0.71x). Read more

The lens magnification ratio is the ratio between the true size of the object being photographed and the size of the object when projected on to the camera's sensor.

A higher lens magnification ratio is important for macro photography as it allows you to focus on very small object very close to the lens.

113g heavier Edit
The Sony Alpha A99 has a weight of 733g, whereas the Nikon D90 is a 620g digital camera (113g 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.

690g heavier lens weight Edit
The Sony Alpha A99 has a lens weight of 955g, whereas the Nikon D90 is a 265g lens weight digital camera (690g lighter).
29% longer lens length Edit
The Sony Alpha A99 is a 111mm lens length digital camera. That's 32mm longer than the Nikon D90 (111mm).
Bigger lens diameter Edit
The Sony Alpha A99 has a lens diameter of 83mm, but the Nikon D90 is a 73mm lens diameter digital camera (10mm smaller).
Only 500.00 battery life (CIPA standard)s Edit
The Sony Alpha A99 is a digital camera that takes 500.00 battery life (CIPA standard)s, whereas the Nikon D90 only takes 850.00 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.

Twelve less awards
The Sony Alpha A99 has only received 10 awards, however the Nikon D90 has received 22 awards.
Expert review Rating is moderately Worse
The Sony Alpha A99 has an average expert score of 86%, but the Nikon D90 has an average expert rating of 88% (based on 116 reviews).

Awards

22 Awards
01net.com: 5 Star
Akam.no: Recommended
alphr.com: Recommended
best4reviews.com: Best Buy
buy-n-shoot.com: Platinum
Camera Labs: Highly Recommended
CNET.co.uk: Editor's Choice
Cnetfrance.fr: Editor's Choice
computeractive.co.uk: Buy It
Expert Reviews: Best Buy
igizmo.co.uk: Recommended
Laptopmag.com: Editor's Choice
letsgodigital.org/nl/: Recommended
pcauthority.com.au: A-List
pctuner.net: Best Product
PhotographyBlog.com: Highly Recommended
photoxels.com: Editor's Choice
plusxaward.de: Innovation
Pocket Lint: Hot Product
stuff.tv: Hot Buy
tipa.com: Technical Image Press Association Award
Trusted Reviews: Recommended
10 Awards
Akam.no: Recommended
DP Review: Gold
Ephotozine: Highly Recommended
Imaging Resource.com: Dave's Pick
kamerabild.se: Top Class
ljudochbild.se: Especially Recommended
log.com.tr: Editor's Choice
lydogbillede.dk: Especially Recommended 6 Star
PhotographyBlog.com: Highly Recommended
photoreview.com.au: Editor's Choice

Average Expert Rating

Average User Rating

No reviews found

Date Released

32 months Ago 25 months Ago

Picture Quality

Camera Type
 SLR
 SLR
Megapixel
12.3MP 24.3MP
BEST
Image Stabilizer
 Image stabilizer
 Image stabilizer
Sensor Type
 CMOS
 CMOS
Still Image Resolution(s)
 2144 x 1424
 6000 x 4000
 6000 x 3376
 3936 x 2624
 3936 x 2216
 2640 x 1760
 2640 x 1488
 1728 x 1152
 2144 x 1424
 6000 x 4000
 6000 x 3376
 3936 x 2624
 3936 x 2216
 2640 x 1760
 2640 x 1488
 1728 x 1152
BEST
Maximum Image Resolution
 6000 x 4000
 6000 x 4000
BEST
Image Formats Supported
 RAW
 JPG
 RAW
 JPG
Image Sensor Size (W X H)
23.6 x 15.8 35.8 x 23.9
Total Megapixels
12.9MP 24.7MP
BEST
Image Stabilizer Location
 Lens
 Lens

Design

Colour of Product
 Black
 Black
Material
 Aluminium
 Plastic
 Aluminium
 Plastic

Lens System

Digital Zoom
Unknown - Click to provide data 4x
Maximum Aperture Number
5.6 22
BEST
Minimum Aperture Number
3.5 2.8
BEST
Maximum Focal Length (35mm Film Equiv)
127.5mm
BEST
105mm
Minimum Focal Length (35mm Film Equiv)
27mm
BEST
36mm
Focal Length Range (f-F)
16 - 85 24 - 70
Lens Structure (elements/groups)
17/11 17/13
Lens Mount Interface
 Nikon F
 Sony A
 Nikon F
 Sony A
Number of Aspheric Elements
1 Unknown - Click to provide data
Number of Diaphragm Blades
7 Unknown - Click to provide data
Filter Size
67mm 77mm
Mounting Type
 Bayonet
 Bayonet

Focusing

Auto Focusing (AF) Modes
 single
 tracking
 Single Auto Focus
 Face tracking
 continuous
 Continuous Auto Focus
 single
 tracking
 Single Auto Focus
 Face tracking
 continuous
 Continuous Auto Focus
Auto Focus (AF) Lock
 Auto Focus (AF) lock
Unknown - Click to provide data
Auto Focus (AF) Assist Beam
 Auto Focus (AF) assist beam
Unknown - Click to provide data
Closest Focusing Distance
0.28m Unknown - Click to provide data
Auto Focus (AF) Points
11 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
 Shutter priority AE
 Aperture priority AE
BEST
 shutter priority
 aperture priority
 Auto
 Shutter priority AE
 Aperture priority AE
ISO Sensitivity
 Auto
 80
 100
 160
 200
 320
 400
 800
 1600
 3200
 25600
 25
 Auto
 80
 100
 160
 200
 320
 400
 800
 1600
 3200
 25600
 25
ISO Sensitivity (max)
3,200 25,600
BEST
ISO Sensitivity (min)
100 100
Auto Exposure (AE) Lock
 Auto Exposure (AE) lock
Unknown - Click to provide data
Light Metering
 Centre-weighted
 Spot
 Matrix
 Centre-weighted
 Spot
 Matrix
Light Exposure Correction
 ±5EV (1/2; 1/3 EV step)
BEST
 ±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
 Red-eye reduction
 Slow synchronization
 Pre-flash
 Auto
 Red-eye reduction
 Slow synchronization
 Pre-flash
Flash Guide Number
17m Unknown - Click to provide data
Flash Sync-Speed
0.01s Unknown - Click to provide data
External Flash Connector
 External flash connector
Unknown - Click to provide data
Flash Exposure Compensation
 Flash exposure compensation
Unknown - Click to provide data
Flash Exposure Correction
 ±3EV (1/2; 1/3 EV step)
 ±3EV (1/2; 1/3 EV step)
BEST
Flash Metering Modes
Unknown - Click to provide data Wireless triggering,With synchro cord

Video

Full HD Video
 Full HD video
Unknown - Click to provide data
Maximum Video Resolution
 1920 x 1080
 1920 x 1080
BEST
Motion JPEG Frame Rate
24fps Unknown - Click to provide data
Video Formats Supported
 AVI
 MPEG
 MPEG4
 H.264
 AVI
 MPEG
 MPEG4
 H.264
Analog Signal Format System
 PAL
 NTSC
BEST
 PAL
 NTSC
Video Resolutions
 1280 x 720
 640 x 424
 1920 x 1080
 1920 x 960
 1440 x 1080
 1280 x 1024
 640 x 480
 1280 x 720
 640 x 424
 1920 x 1080
 1920 x 960
 1440 x 1080
 1280 x 1024
 640 x 480
BEST
Video Recording
 Video recording
 Video recording
HD Type
 Full HD
 Full HD

Audio

Built-In Microphone
 Built-in microphone
Unknown - Click to provide data

Memory

Compatible Memory Cards
 SDHC
 SD
 SDXC
 MS PRO
 MS PRO Duo
 MS Pro-HG
 SDHC
 SD
 SDXC
 MS PRO
 MS PRO Duo
 MS Pro-HG
BEST
Maximum Memory Card Size
32GB Unknown - Click to provide data
Memory Slots
1 Unknown - Click to provide data

Display

Display Diagonal
3" 3"
Display
 TFT
 TFT
BEST
Field of View
100% 100%
Display Resolution (numeric)
920,000 pixels 1,228,800 pixels
BEST

Viewfinder

Magnification
0.94x
BEST
0.71x
Viewfinder Type
 Electronic
 Electronic

Ports & Interfaces

PictBridge
 PictBridge
Unknown - Click to provide data
DC-In Jack
 DC-in jack
Unknown - Click to provide data
HDMI
 HDMI
 HDMI
Microphone in
Unknown - Click to provide data
 Microphone in
USB Version
 2.0
 2.0
Headphone Outputs
Unknown - Click to provide data
 Headphone outputs
USB Connector
 Mini-USB
 Mini-USB B
 Mini-USB
 Mini-USB B

Camera

White Balance
 Auto
 Manual
 Fluorescent
 Cloudy
 Incandescent
 Shade
 Flash
 Daylight
 Custom modes
 Auto
 Manual
 Fluorescent
 Cloudy
 Incandescent
 Shade
 Flash
 Daylight
 Custom modes
Photo Effects
 Neutral
 Vivid
 Sepia
 Neutral
 Vivid
 Sepia
Self-Timer Delay
2,5,10,20 2,10
Calendar
 Calendar
Unknown - Click to provide data
Album Organization
 Album organization
Unknown - Click to provide data
Histogram
 Histogram
Unknown - Click to provide data
Anti-Dust Function
 Anti-dust function
Unknown - Click to provide data
Image Editing
 Trimming
 Resizing
 Rotating
 Crop
 Trimming
 Resizing
 Rotating
 Crop
Camera File System
 DCF 2.0
 DPOF 1.1
 Exif 2.2
 Exif 2.21
 DCF
 DPOF
 Exif
BEST
 DCF 2.0
 DPOF 1.1
 Exif 2.2
 Exif 2.21
 DCF
 DPOF
 Exif
Live View
 Live view
 Live view
Tripod Mountable
 Tripod mountable
Unknown - Click to provide data
Camera Playback
 Movie
 Single image
 Slide show
 Thumbnails
 Movie
 Single image
 Slide show
 Thumbnails
Brightness Adjustment
 Brightness adjustment
Unknown - Click to provide data
Built-In Processor
Unknown - Click to provide data BIONZ
Scene Modes
 Landscape
 Portrait
 Sunset
 Landscape
 Portrait
 Sunset
Languages Support
 DAN
 DUT
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 KOR
 CHI (TR)
 CHI (SIMPL)
 DAN
 DUT
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 KOR
 CHI (TR)
 CHI (SIMPL)
On Screen Display (OSD) Languages
 DAN
 DUT
 GRE
 CZE
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 DAN
 DUT
 GRE
 CZE
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 HUN

Weight & Dimensions

Weight
620g
BEST
733g
Height
103mm 111.2mm
Depth
77mm 78.4mm
Width
132mm 147mm
Lens Weight
265g
BEST
955g
Lens Length
79mm
BEST
111mm
Lens Diameter
73mm
BEST
83mm
Weight (including Battery)
Unknown - Click to provide data 812g

Battery

Power Source Type
 USB
 Battery
 USB
 Battery
Battery Technology
 Lithium-Ion (Li-Ion)
BEST
 Lithium-Ion (Li-Ion)
Number of Batteries Supported
1 Unknown - Click to provide data
Battery Type
EN-EL3e NP-FM500H
Battery Life (CIPA Standard)
850 shots
BEST
500 shots

Operational Conditions

Operating Temperature (T-T)
32 - 104 Unknown - Click to provide data
Operating Relative Humidity (H-H)
0 - 85 Unknown - Click to provide data
Operating Temperature (T-T)
0 - 40 Unknown - Click to provide data

Packaging Content

Bundled Software
ViewNX,Nikon Transfer,Apple QuickTime Unknown - Click to provide data
Cables Included
 USB
 AV
BEST
 USB
 AV
Batteries Included
 Batteries included
Unknown - Click to provide data
Battery Charger Included
 Battery charger included
Unknown - Click to provide data
Hand Strap
 Hand strap
Unknown - Click to provide data

Certificates

Energy Star Certified
 Energy Star certified
Unknown - Click to provide data

Other Features

Video Capability
 Video capability
Unknown - Click to provide data
Built-In Flash
 Built-in flash
Unknown - Click to provide data
USB 2.0 Ports Quantity
 USB 2.0 ports quantity
Unknown - Click to provide data
HDMI Ports Quantity
 HDMI ports quantity
Unknown - Click to provide data
Aperture Priority AE
 Aperture priority AE
Unknown - Click to provide data
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