Nikon D7100 vs Sony A900
59 Imaging
64 Features
80 Overall
70
54 Imaging
66 Features
62 Overall
64
Nikon D7100 vs Sony A900 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 6400 (Boost to 25600)
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Nikon F Mount
- 765g - 136 x 107 x 76mm
- Launched April 2013
- Earlier Model is Nikon D7000
- Updated by Nikon D7200
(Full Review)
- 25MP - Full frame Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- No Video
- Sony/Minolta Alpha Mount
- 895g - 156 x 117 x 82mm
- Launched October 2008
- Replacement is Sony A99
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Below, we are looking at the Nikon D7100 and Sony A900, both Advanced DSLR digital cameras by brands Nikon and Sony. The sensor resolution of the D7100 (24MP) and the A900 (25MP) is very similar but the D7100 (APS-C) and A900 (Full frame) possess totally different sensor size.
President Biden pushes bill mandating TikTok sale or banThe D7100 was announced 4 years after the A900 which is quite a sizable difference as far as technology is concerned. Both the cameras come with the identical body type (Mid-size SLR).
Before getting in to a step-by-step comparison, below is a short summary of how the D7100 grades against the A900 when it comes to portability, imaging, features and an overall mark.
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This is a sample of the gallery pics for Nikon D7100 & Sony Alpha DSLR-A900. The whole galleries are provided at Nikon D7100 Gallery & Sony A900 Gallery.
Reasons to pick Nikon D7100 over the Sony A900
| D7100 | A900 | |||
|---|---|---|---|---|
| Launched | April 2013 |  | October 2008 | Newer by 55 months |
| Display dimension | 3.2" |  | 3" | Larger display (+0.2") |
| Display resolution | 1229k |  | 922k | Clearer display (+307k dot) |
Reasons to pick Sony A900 over the Nikon D7100
| A900 | D7100 |
|---|
Common features in the Nikon D7100 and Sony A900
| D7100 | A900 | |||
|---|---|---|---|---|
| Manual focus |  | Very precise focus | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Lacking selfie screen | ||
| Touch display |  | Lacking Touch display |
Nikon D7100 vs Sony A900 Physical Comparison
For anyone who is intending to travel with your camera frequently, you'll need to factor its weight and dimensions. The Nikon D7100 offers outer measurements of 136mm x 107mm x 76mm (5.4" x 4.2" x 3.0") with a weight of 765 grams (1.69 lbs) and the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).
Look at the Nikon D7100 and Sony A900 in our brand new Camera plus Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will differ based on the lens you have at the time. The following is the front view dimensions comparison of the D7100 versus the A900.
Looking at dimensions and weight, the portability rating of the D7100 and A900 is 59 and 54 respectively.
Nikon D7100 vs Sony A900 Sensor Comparison
Quite often, it's hard to see the difference between sensor dimensions purely by reading specifications. The image here might give you a much better sense of the sensor sizing in the D7100 and A900.
To sum up, each of these cameras posses different resolutions and different sensor dimensions. The D7100 having a tinier sensor will make achieving shallow depth of field trickier and the Sony A900 will deliver greater detail with its extra 1 Megapixels. Greater resolution can also allow you to crop pics somewhat more aggressively. The more modern D7100 is going to have a benefit in sensor technology.
Nikon D7100 vs Sony A900 Screen and ViewFinder
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Nikon D7100 vs Sony A900 Specifications
| Nikon D7100 | Sony Alpha DSLR-A900 | |
|---|---|---|
| General Information | ||
| Brand Name | Nikon | Sony |
| Model type | Nikon D7100 | Sony Alpha DSLR-A900 |
| Class | Advanced DSLR | Advanced DSLR |
| Launched | 2013-04-25 | 2008-10-22 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Powered by | - | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | Full frame |
| Sensor measurements | 23.5 x 15.6mm | 35.9 x 24mm |
| Sensor area | 366.6mm² | 861.6mm² |
| Sensor resolution | 24 megapixel | 25 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Max resolution | 6000 x 4000 | 6048 x 4032 |
| Max native ISO | 6400 | 6400 |
| Max enhanced ISO | 25600 | - |
| Min native ISO | 100 | 100 |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 51 | 9 |
| Cross type focus points | 15 | - |
| Lens | ||
| Lens mount type | Nikon F | Sony/Minolta Alpha |
| Number of lenses | 309 | 143 |
| Crop factor | 1.5 | 1 |
| Screen | ||
| Range of display | Fixed Type | Fixed Type |
| Display diagonal | 3.2 inches | 3 inches |
| Resolution of display | 1,229 thousand dot | 922 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Display tech | Wide Viewing Angle TFT-LCD monitor | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.63x | 0.74x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/8000 secs | 1/8000 secs |
| Continuous shutter speed | 6.0 frames/s | 5.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 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, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Max 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) | - |
| Max video resolution | 1920x1080 | None |
| Video data format | MPEG-4, H.264 | - |
| Microphone jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Optional | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 765g (1.69 lb) | 895g (1.97 lb) |
| Dimensions | 136 x 107 x 76mm (5.4" x 4.2" x 3.0") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO Overall rating | 83 | 79 |
| DXO Color Depth rating | 24.2 | 23.7 |
| DXO Dynamic range rating | 13.7 | 12.3 |
| DXO Low light rating | 1256 | 1431 |
| Other | ||
| Battery life | 950 photos | 880 photos |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | 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 | Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 |
| Storage slots | 2 | 2 |
| Cost at release | $800 | $2,736 |