Are you looking for the best camera to suit your needs? Due to a wide range of options, making a wise and weighted decision can be rather challenging. Which specs to keep in mind? What are the key pros and cons of each model? This comparison should give some helpful hints!
In this review, we are going to provide a detailed evaluation and comparison of two different camera models that fall into the same category - Semi-Pro DSLR. Although these cameras are from the same category, they were introduced by different brands - Nikon and Sony. Although Nikon D810 and Sony Alpha DSLR-A900 are both equipped with the same CMOS sensor, they boast of different resolution. Thus, Nikon D810 has a sensor with a resolution of 36.0 MP, while Sony Alpha DSLR-A900 has a different resolution of 25.0 MP.
To get started, let’s take a look at some of the key features of Nikon D810 and Sony Alpha DSLR-A900 and, after this, we can go on to our detailed comparison of these models.
Nikon D810 Key Features:
Sony Alpha DSLR-A900 Key Features:
|Wireless Connectivity||Optional vs No||Better connectivity|
|Timelapse Recording||Yes vs No||Creative shooting|
|Sensor Resolution||36.0 MP vs 25.0 MP||30.6% more pixels|
|Built-In Flash||Yes vs No||All the lenses are stabilized|
|Flash Range||12 vs No||12 better flash range|
|Number Of Focus Points||51 vs 9||42 more focus points|
|AutoFocus Face Detection||Yes vs No||Very handy for portraits|
|Screen Size||3.2″ vs 3″||0.2" larger screen|
|Screen Resolution||1,229k dots vs 922k dots||25% higher resolution screen|
|Battery Life||1200 shots vs 880 shots||320 more frames with a single charge|
|Dxo Color Depth||25.7 vs 23.7||Better color depth|
|Dxo Dynamic Range||14.8 vs 12.3||Better dynamic range|
|Dxo Low Light Iso||2853 vs 1431||Better High ISO performance|
|Image Stabilization||Yes vs No||All lenses are stabilized|
|Weight||895 g vs 980 g||85 g lighter|
|Viewfinder Magnification||0.74 vs 0.7||0.04 better magnification|
|Screen Size||3.2″ | 3″||Large display|
|Viewfinder||Optical (pentaprism) | Optical (pentaprism)||Better framing and control|
|Raw Support||Yes | Yes||Better image quality|
|Sensor Resolution||36.0 MP | 25.0 MP||Bigger prints and more details|
|Storage Slots||2 slots | 2 slots||Extra Storage Slots|
|Bracketing||Yes | Yes||Useful for tough lighting conditions and HDR|
|Flash Sync Port||Yes | Yes||Port for Flash Sync|
|Environmental Sealing||Yes | Yes||Shoot at tough conditions|
|Battery Life||1200 shots | 880 shots||Big number of frames with a single charge|
|Touch Screen||No | No||No touch screen|
|Screen Type||Fixed Type | Fixed Type||No flexible viewing angles|
|Continuous Shooting||5.0 fps | 5.0 fps||Low continuous shooting|
Before heading straight to the technical characteristics of each model, let’s start with comparing their physical specs. Let’s start with looking at the physical difference of the two products. Below are images that clearly show the sizes of Nikon D810 and Sony Alpha DSLR-A900 from the front view.
Now, let’s go on and see how the reviewed models are different or similar by the top view.
After looking at these images, you should get a clear idea of each model’s dimensions and how they are different from each other. However, we are not going to stop there. The next characteristic worth looking at is the weight. Of course, not every photographer is concerned about the weight, for example, it wouldn't be a decisive point for those who shoot in a studio. However, it is still an important factor because if you happen to go on a long photo session or just love having the camera with you wherever you go, you want to be sure that the chosen model isn't too heavy.
Speaking of weight, Sony Alpha DSLR-A900 is a lighter option of these two, as it weights 85g less than the Nikon D810. This difference, in fact, can become a significant disadvantage for the photographers, who prefer to have their cameras with them wherever they go.
Sensor is, without a doubt, the most significant element of every digital camera. Its type, size, and resolution are the factors that define the quality of future shots. Thus, it is barely possible to pick a suitable camera without looking at these specs.
Are Nikon D810 and Sony Alpha DSLR-A900 any different in terms of sensor type?
In fact, that's exactly what makes these two models really different. Thus, it is a good point to consider if your are choosing between these two cameras. Nikon D810 features a 36.0 MP Full frame sized CMOS sensor . Sony Alpha DSLR-A900, in its turn, comes with a 25.0 MP Full frame sized CMOS sensor and Bionz processor , which makes it significantly different from the first model.
Take a look below to find the comparison of Nikon D810 and Sony Alpha DSLR-A900 by the size of their sensors.
Nikon D810 and Sony Alpha DSLR-A900 are identical by this indicator, as each feature a sensor of the same size. Thus, both cameras will provide the same level of control in terms of the depth of field if you use them with the same focal length and aperture.
If you are interested in photography or has made a career in this field, you should know that different types of shooting actually require different camera characteristics. While one model can produce outstanding portraits, at the same time, it can be terrible for shooting landscapes, and so on. Thus, before you purchase a specific camera, it is vital to decide, which type of shooting you do most often and consider an option that suits it the most.
This section of our comparison is devoted to the performance of Nikon D810 and Sony Alpha DSLR-A900 in different fields of photography. Here we are going to look at the five main areas and evaluate how well each of the reviewed models performs in them. This will help you choose an option that suits your needs the most depending on your interest in one or several of these fields.
|Photography Type||Nikon D810||Sony Alpha DSLR-A900|
Disadvantages:No Significant Disadvantages
Hopefully, our detailed overview of these models has helped you consider all the main specs, pros and cons of each cameras. Maybe, after reading this comparison, some of you have already decided which option to opt for depending on your needs and preferences. However, if you are still wondering which option is a better choice, Nikon D810 or Sony Alpha DSLR-A900, below you can see what scores each of them received in five different aspects. To wrap up, we have used our unique Decision Algorithm that assesses different camera models upon 63 different factors including their price, and, if possible, DxO Mark scores. This algorithm allows us to make our verdict more consistent and objective.
What is our final verdict? Based on our comparison and the final scores of Nikon D810 and Sony Alpha DSLR-A900 here is what we can say in conclusion:
According all the factors that we considered in the process of comparing these two cameras, Nikon D810 deserves a higher Total Score than the Sony Alpha DSLR-A900. Thus, if you are choosing between these options, we would recommend you to choose the first model over the other one.
For better understanding of each model’s technical characteristics, find the detailed comparison below:
|Nikon D810||Sony Alpha DSLR-A900|
|Announced||Jun 26, 2014||Oct 22, 2008|
|Body Type||Mid-size SLR||Mid-size SLR|
|Sensor Size||Full frame||Full frame|
|Sensor Dimensions||35.9 x 24 mm||35.9 x 24 mm|
|Sensor Area||861.60 mm2||861.60 mm2|
|Sensor Resolution||36.0 MP||25.0 MP|
|Max Image Resolution||7360 x 4912||6048 x 4032|
|Max Native ISO||12,800||6,400|
|Max Boosted ISO||51,200||n/a|
|Min Native ISO||64||100|
|Lens Mount||Nikon F||Sony/Minolta Alpha|
|Number of Lenses||287||141|
|Focal Length Multiplier||1x||x|
|Macro Focus Range|
|AF Multi Area|
|AF Live View|
|AF Face Detection|
|AF Contrast Detection|
|AF Phase Detection|
|Number of Focus Points||51||9|
|Number of Cross Focus Points||15||n/a|
|Screen Type||Fixed Type||Fixed Type|
|Screen Resolution||1,229k dots||922k dots|
|ViewFinder||Optical (pentaprism)||Optical (pentaprism)|
|ViewFinder Resolution||0k dots||0k dots|
|Min Shutter Speed||30 s||30 s|
|Max Shutter Speed||1/8000 s||1/8000 s|
|Continuous Shooting||5.0 fps||5.0 fps|
|Manual Exposure Mode|
|Custom White Balance|
|Flash Modes||Front-curtain sync, slow sync, rear-curtain sync, redeye reduction, redeye reduction w/slow sync, slow rear-curtain sync||Auto, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless|
|DxO Sensor Scores|
|DxO Sensor Score||97||79|
|DxO Color Depth||25.7||23.7|
|DxO Dynamic Range||14.8||12.3|
|DxO Low Light ISO||2853||1431|
|Video Resolutions||1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p)||n/a|
|Max Video Resolution||1920 x 1080|
|Video Formats||MPEG-4, H.264||n/a|
|USB||USB 3.0||USB 2.0|
|Weight||980 g||895 g|
|Physical Dimensions||146 x 123 x 82 mm||156 x 117 x 82 mm|
|Battery Life||1200 shots||880 shots|
|Battery Type||Battery Pack||Battery Pack|
|Storage Type||SD/SDHC/SDXC, CompactFlash (UDMA compliant)||Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32|