Nikon D3100 Samples
Nikon D3100 Outdoor Crops
Here the ISO performance of the Nikon D3100 is compared to the Pentax K-5
Pentax K-5 for a bright outdoor scene. All crops below are shown at 100% and are taken from the highest-resolution and quality JPEG available on each camera. Both ISO and Aperture we set on each camera. Remaining settings were left on automatic. Note that due to the huge ISO range available on these cameras, the use of a 3-stop ND filter was needed for the last 2 Nikon D3100 shots and the last 3 Pentax K-5 ones. One can easily notice that the filter-used was not color-neutral and introduced a slight yellow cast.
The output of both these cameras starts very similar but with a slight softness to the D3100. The kit-lens is partly responsible for this. What we can see is that when noise starts to become visible on these cameras, the D3100 shows more color-noise while the K-5 keeps it all in luminance. Overall the slow rate at which noise increases here is an excellent performance with very little difference being visible in prints. The Nikon D3100 maintains excellent output quality until ISO 1600. Further than that, noise reduces possible print sizes but even ISO 6400 is usable for small prints of very high quality. ISO 12800 can be used for emergencies.
Nikon D3100 | Pentax K-5 |
ISO 100 |
ISO 100 |
ISO 200 |
ISO 200 |
ISO 400 |
ISO 400 |
ISO 800 |
ISO 800 |
ISO 1600 |
ISO 1600 |
ISO 3200 |
ISO 3200 |
ISO 6400 |
ISO 6400 |
ISO 12800 |
ISO 12800 |
ISO 25600 |
|
ISO 51200 |
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Nikon D3100 Highlights
Sensor-Size: 24 x 16mm
Actual size when viewed at 100 DPI
14 Megapixels DSLR | ISO 100-12800 |
Nikon F Mount 1.5X FLM | Shutter 1/4000-30s |
95% Coverage Medium Viewfinder | Full manual controls, including Manual Focus |
Built-in Dust Reduction | Custom white-balance with 2 axis fine-tuning |
3 FPS Drive, 16 Images | Spot-Metering |
1920x1080 @ 24 FPS Video Recording | Hot-Shoe |
3" LCD 230K Pixels | Lithium-Ion Battery |
Secure Digital Extended Capacity |
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