Nikon D5100 16.2MP CMOS Digital SLR Camera with 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom Lens -

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Paul Christensen “gadget geek” (West Chester, PA United States) –

  

  

  

As a long-time owner of the Nikon D5000, and former owner of the Nikon D60, I was eager to purchase the D5100 after seeing the announcements and pre-reviews. Being one of the lucky ones to buy the D5100 with 18-55VR kit earlier this week, I’ve had a few days to play with this camera and can honestly say it’s a solid upgrade to the D5000 I’m replacing, and should be on the short list of consideration for any “prosumer” looking to purchase a D-SLR with outstanding image quality, performance, and low-light capability in a lightweight, compact (for an SLR) body. And, unlike the D5000, this D-SLR finally has a usable Live View and HD video capabilities both with continuous autofocus.

First of all, it’s important to understand where the D5100 fits in Nikon’s capabilities. It is considered a “high-end enthusiast” D-SLR which means that it shares the same image sensor as the high-end D7000 without some of the higher-end features. If you’re like me, very few of the D7000′s features justify its extra cost and weight. The D5100 offers nearly the same image quality as its bigger brother in a less-expensive, smaller package, while adding a few tricks the D7000 doesn’t have including an articulating display that helps you frame hard-to-reach spots.

Compared to its lesser-priced but still excellent brother the D3100, the D5100 offers improved image quality, speed, and resolution, along with a higher-resolution articulating display. For me, this is the sweet spot in Nikon’s consumer D-SLR offerings.

The 18-55VR (3x) f3.5-f5.6 kit lens provides surprisingly good performance and image quality, although you’ll likely outgrow it quickly. I have uploaded a few sample images taken with the D5100 and 18-55VR to show its performance and surprisingly good bokeh (pattern of blurred background) in large-aperture and macro shots.

For lens upgrades that include an AF-S autofocus motor, if you don’t mind changing lenses, the Nikon 55-200VR is an outstanding value with excellent image quality, or consider the Nikon 18-105VR (5.8x) lens included with the D7000. If you don’t mind some distortion and image softness, the 18-200 VRII (18x) lens may be your perfect “walkabout” lens. For me, I bought the pricey but outstanding Nikon 16-85mm VRII. Don’t forget the Nikon AF-S 35mm f1.8 (if you can find it).

Low-light performance is outstanding with this camera, and the level of detail captured by the D5100 is excellent, even at higher ISOs. You’re best capturing in RAW or RAW+JPEG mode (three different JPEG compression levels are offered) if you need to go back and fine-tune exposure or other settings after the shot. Nikon also offers “Active D-Lighting” which is a highly effective method for improving dynamic range of a photo to equalize the difference between high and low-light areas of a photo.

Interestingly, the improvement in image quality compared to my D5000 isn’t dramatic. Given the incredible improvement I saw when upgrading from my Nikon D60 to the D5000 perhaps I had unrealistic expectations for this new sensor. But in most image settings, even low light, the improvement is noticeable but subtle. That speaks more for the outstanding quality and low-light sensitivity of the D5000 sensor (which is shared with the D90) than it speaks against the D5100. With the D5100 you get higher resolution for improved cropping, and the 14-bit RAW images offer greater dynamic range for more flexibility after the shot is taken.

Speaking of RAW format, as with any new camera, there is a bit of a wait until updates are available for your favorite camera software. As of May 18th, Adobe, Apple, and Nikon have added support for the D5100 RAW files, so you can use Aperture, iPhoto, Nikon View NX2 (v2.1.1 and later), Nikon Capture NX2 (v2.2.7 and later), Lightroom 3 or Photoshop CS5 (via Adobe Camera RAW 6.4 or later). If you use other photo software or another platform, you may want to verify RAW support for the D5100.

Compared to my D5000, Nikon has gone back and addressed most of my concerns on ergonomics and performance:
- camera body is roughly 10% smaller and 10% lighter
- 16.2 megapixel CMOS DX-format image sensor (shared with D7000) captures 14-bit RAW images and offers +1fs greater low-light sensitivity
- ISO 100-6400 range with expansion to 25,600 ISO (D5000 minimum is 200 and expansion to 12,300)
- high resolution (920k pixel) display for greater detail in image previews (although I had to bump up the default brightness one notch for accuracy)
- side-mounted articulating display no longer interferes with tripod (the D5000 display is inconveniently hinged at the bottom)
- dramatically improved (now usable!) LiveView mode with continuous autofocus even in HD video mode (more on that later)
- full HD 1080p movie capture without the “jelly effect”, in more standard H.264 mode up to 22 min (D5000 is AVI…

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B. Fuller (United States) –

  

  

This is a fantastic new offering from Nikon. You get most of the best parts of the D7000 for 1/3 cheaper. If you are looking for a starter camera or a back up body to the D7000 this is it.

Here are the major differences between the D5100 and D7000.

D5100
Exact same sensor and processing abilities as the D7000. Some of the best Image Quality available in any DSLR. ISO 3200 is very usable with low noise.

- Swivel screen while the D7000 is fixed — Since the contrast autofocus (ie Live View) is not very good on either of these cameras this is not really a player unless you are using a tripod. Then the swivel screen is very useful.

- 4 fps vs 6 fps for D7000 – No big deal 4 fps is plenty fast to fill your card with similar looking pictures. Also, in RAW D7000 buffers out pretty fast and then slows down anyway.
- 11 focus points vs 39 for D7000 – Most of the time not really a big deal. Sometimes all those extra points get in the way and slow you down.

No internal auto focus motor while the D7000 has one — If you don’t have any D series or older lenses this is not an issue. If you do, they will not autofocus on this camera.

- Only one SD slot vs 2 for the D7000 — A big difference when getting paid to shoot. Otherwise, always format your cards in your camera and not on the computer. Doing that I have never had a failure. (Jinxed myself now)

Not weather sealed vs D7000 partially weather sealed – Don’t drop either one in the water and keep both out of dust.

- Has less external switches than the D7000 – This means you need to go to the menus more often which slows things down. This can be severely annoying or not depending on your shooting style. The D7000 handles better but this is not a deal breaker on the D5100.

Built in flash is not a commander for Nikon Creative Light System while D7000 is — If you don’t use off camera flash or you use radio triggers this is not a big deal.

1.2 lbs vs 1.7 lbs for D7000.

Overall the D5100 is a great camera. The D7000 have some extra features that make it worth the extra money but if you don’t need them you get all the fantastic D7000 IQ for 2/3rd the price.

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The Nikon D5100 brings the high quality 16.2 megapixel sensor, great low-light performance, and full HD video capability with all the frame rate options from the popular pro-sumer D7000 to the enthusiast level model – and then includes a fully adjustable side-mounted rotating screen to boot. The D5100 should prove to be an excellent option for new dSLR users plus those experienced enthusiasts wishing to upgrade their D50, D60, or even their D3000 to gain additional megapixels, shooting and processing speed, video, and an improved rear LCD screen. The variety of features and functions offered on the various Nikon dSLR cameras might make it difficult to choose between them, but there are some important differences.

The new Nikon D5100 sits just above the D3100, a bit below the aging D90, and several steps below the fully-featured and highly customizable Nikon D7000. The D5100 boasts a 16 megapixel image sensor (just like the D7000), shoots 4 frames per second in continuous mode, has HD video capability at 24, 25, and 30 fps, and includes the fully rotating rear LCD screen improved in flexibility from the screen of the D5000.

Generally as the cameras increase in price and capability from the entry level model to the enthusiast pro-sumer model they gain more sophisticated autofocus and exposure metering systems, shoot faster (more frames per second) in continuous shooting mode, have more controls and buttons for changing settings on the camera body, and offer more menu and custom function options.

Sensor and Image Quality: The sensors of the D5100 and D7000 are greatly improved over the older D90 in a couple of ways. The D5100 and D7000 have 16.2 megapixel sensors, where the D90 has 12.3 megapixels. The relatively new D3100 has a 14.2 MP sensor. This increase in resolution allows for more intrusive editing of the files in Photoshop, the ability to crop a picture and still obtain an image with high enough resolution for printing or display, and allows for larger prints. In addition, the improved sensor results in better performance at high ISO settings and in low light, better dynamic range, tonal range, and color sensitivity. Have a look at the dxomark website to compare the sensors.

Exposure Metering: The D5100, while sharing a similar sensor to the D7000, does not have the same advanced metering system. It shares the less sophisticated 420 pixel RGB metering sensor of the D3100 and offers matrix metering, non-adjustable center-weighted, and spot metering modes. This system may be more than sufficient for many users, especially those not intending to adjust their exposure settings and dig into their menus in reaction to complex lighting situations. But if your shooting demands require more precise exposure metering and control over the size of the areas being metered, you need to consider the D7000 or D90. The 2016 pixel RGB metering sensor of the D7000 is also improved compared to the D90, and will result in more accurate metering performance of straightforward and complex lighting scenes and situations. Both these cameras offer matrix metering, center-weighted, and spot metering modes. With center-weighted metering on the D90, you can select the size of the center-weighted area to be a 6, 8, or 10mm center circle, and the D7000 adds a 13mm circle option.

Autofocus: The autofocus systems of the D3100, D5100, and D90 all have 11 autofocus (AF) points with the center one being a more accurate cross-type. These AF systems may be more than sufficient for most users, and they can successfully track moving objects in the frame such as athletes, performers, or animals. However, if you specialize in sports, action, wildlife, or bird photography, you are going to want to consider the much more sophisticated, accurate, and customizable AF system of the D7000. The D7000 boasts a significantly improved AF system of 39 AF points with 9 of them being cross type. The AF system of the D7000 allows for you to use these points in various ways including automatic AF point selection, single point AF, and dynamic area AF using your choice of 9 points, 21 points, all points, or all points with 3D-tracking. It is important to note that the D5100 and D3100 do not have an autofocusing motor built into the body so you have to be sure to purchase lenses with built-in AF motors. For example, the Nikon “Nifty 50″ 50mm f/1.8 will not autofocus with these cameras. The D7000 and D90 have the built-in motor.

Body, Construction and Size/ Weight: The D5100 is just slightly larger and a tiny bit heavier than the D3100, both weighing just over one pound. Both have plastic bodies and more limited buttons and controls that the higher end models. Many users should find its size and weight great for using and carrying around, though some prefer the ergonomics of a larger body. The D90 and D7000 appear very similar at first glance, but the plastic body of the D90 has…

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