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Nikon D100 vs Sony A900

Portability
58
Imaging
43
Features
33
Overall
39
Nikon D100 front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
67
Features
62
Overall
65

Nikon D100 vs Sony A900 Key Specs

Nikon D100
(Full Review)
  • 6MP - APS-C Sensor
  • 1.8" Fixed Screen
  • ISO 200 - 1600
  • No Video
  • Nikon F Mount
  • 780g - 144 x 116 x 81mm
  • Introduced July 2002
  • Replacement is Nikon D200
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Revealed October 2008
  • Refreshed by Sony A99
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Nikon D100 vs Sony A900 Overview

Lets examine more in depth at the Nikon D100 versus Sony A900, both Advanced DSLR cameras by manufacturers Nikon and Sony. There exists a significant gap among the resolutions of the D100 (6MP) and A900 (25MP) and the D100 (APS-C) and A900 (Full frame) come with different sensor sizing.

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The D100 was brought out 7 years prior to the A900 and that is a fairly sizable gap as far as camera technology is concerned. Each of the cameras offer the identical body type (Mid-size SLR).

Before going through a in depth comparison, below is a short synopsis of how the D100 scores versus the A900 in regards to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Nikon D100 over the Sony A900

 D100 A900 

Reasons to pick Sony A900 over the Nikon D100

 A900 D100 
RevealedOctober 2008July 2002More recent by 76 months
Display sizing3"1.8"Larger display (+1.2")
Display resolution922k118kCrisper display (+804k dot)

Common features in the Nikon D100 and Sony A900

 D100 A900 
Focus manually Very accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen
Touch friendly display Lack of Touch friendly display

Nikon D100 vs Sony A900 Physical Comparison

In case you're aiming to lug around your camera frequently, you should factor its weight and dimensions. The Nikon D100 enjoys outer dimensions of 144mm x 116mm x 81mm (5.7" x 4.6" x 3.2") and a weight of 780 grams (1.72 lbs) while the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).

Look at the Nikon D100 versus Sony A900 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that time. Underneath is the front view physical size comparison of the D100 compared to the A900.

Nikon D100 vs Sony A900 size comparison

Taking into consideration dimensions and weight, the portability score of the D100 and A900 is 58 and 54 respectively.

Nikon D100 vs Sony A900 top view buttons comparison

Nikon D100 vs Sony A900 Sensor Comparison

Typically, it can be difficult to imagine the contrast in sensor measurements only by viewing a spec sheet. The graphic underneath may offer you a better sense of the sensor dimensions in the D100 and A900.

Clearly, both of those cameras enjoy different resolutions and different sensor measurements. The D100 because of its smaller sensor is going to make achieving shallower depth of field trickier and the Sony A900 will provide you with extra detail having its extra 19 Megapixels. Greater resolution will make it easier to crop pics far more aggressively. The older D100 will be behind with regard to sensor tech.

Nikon D100 vs Sony A900 sensor size comparison

Nikon D100 vs Sony A900 Screen and ViewFinder

Nikon D100 vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D100 Portrait photography information
Sony A900 Portrait photography information
49
you can focus manually
nice sensor size (APS-C)
exports RAW formats
doesn't have liveview
sensor resolution not great (6MP)
72
has manual focus
fantastic MP (25 megapixels)
sensor size is great (Full frame)
saves RAW formats
does not have liveview
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Street Comparison

Nikon D100 Street photography advice
Sony A900 Street photography advice
52
nice sensor size (APS-C)
exports RAW formats
screen is fixed
no image stabilization
66
image stabilization (Sensor based)
sensor size is great (Full frame)
saves RAW formats
weather sealing
fixed screen
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Sports Comparison

Sports photography with Nikon D100
Sports photography with Sony A900
38
nice sensor size (APS-C)
comes with phase detect autofocus
doesn't have liveview
slow fps (3.0 fps)
no image stabilization
sensor resolution not great (6 megapixels)
71
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
fantastic MP (25MP)
sensor size is great (Full frame)
weather sealing
supports phase detect autofocus
does not have liveview
continuous shooting slow (5.0 frames per second)
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Travel Comparison

Nikon D100 Travel photography details
Sony A900 Travel photography details
41
built-in flash
does not have Timelapse function
sensor resolution not great (6 megapixels)
doesn't posses selfie friendly screen
55
weather sealing
fantastic MP (25 megapixels)
does not have Timelapse mode
doesn't posses selfie friendly screen
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Landscape Comparison

Nikon D100 Landscape photography information
Sony A900 Landscape photography information
45
you can focus manually
swap lenses (Nikon F mount)
nice sensor size (APS-C)
exports RAW formats
small screen (1.8 inches)
doesn't have liveview
no image stabilization
sensor resolution not great (6MP)
does not have Timelapse function
73
has manual focus
swap lenses (Sony/Minolta Alpha mount)
decent sized screen (3 inch)
image stabilization (Sensor based)
fantastic MP (25 megapixels)
sensor size is great (Full frame)
saves RAW formats
weather sealing
two card slots
does not have liveview
does not have Timelapse mode
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Vlogging Comparison

Nikon D100 Vlogging info
Sony A900 Vlogging info
9
can't shoot video
9
lack of video recording
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Nikon D100 vs Sony A900 Specifications

Detailed spec comparison table for Nikon D100 and Sony A900
 Nikon D100Sony Alpha DSLR-A900
General Information
Brand Nikon Sony
Model type Nikon D100 Sony Alpha DSLR-A900
Category Advanced DSLR Advanced DSLR
Introduced 2002-07-26 2008-10-22
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Powered by - Bionz
Sensor type CCD CMOS
Sensor size APS-C Full frame
Sensor measurements 23.7 x 15.5mm 35.9 x 24mm
Sensor area 367.4mm² 861.6mm²
Sensor resolution 6MP 25MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest resolution 3008 x 2000 6048 x 4032
Highest native ISO 1600 6400
Min native ISO 200 100
RAW format
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 9
Lens
Lens support Nikon F Sony/Minolta Alpha
Number of lenses 309 143
Crop factor 1.5 1
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 1.8 inch 3 inch
Resolution of screen 118k dots 922k dots
Selfie friendly
Liveview
Touch operation
Screen tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.53x 0.74x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting rate 3.0fps 5.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 11.00 m no built-in flash
Flash modes Auto, On, Off, Front curtain, Rear curtain, Red-Eye, Slow Sync Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/180 seconds 1/250 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Highest video resolution None None
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 780 grams (1.72 lbs) 895 grams (1.97 lbs)
Dimensions 144 x 116 x 81mm (5.7" x 4.6" x 3.2") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around rating not tested 79
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 12.3
DXO Low light rating not tested 1431
Other
Battery life - 880 images
Battery type - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (2, 5, 2 or 100 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage Compact Flash (Type I or II) Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Card slots Single Dual
Price at launch $170 $2,736