Bosch HDR HD Dinion Test

By: John Honovich, Published on Jan 29, 2013

In this report, we share our results of the BOSCH HDR HD Dinion [link no longer available], NBN-932V. Compared to the Bosch NBN-832 we tested last year, the 932 adds in WDR (which Bosch refers to as HDR).

Here are our key findings from our tests:

  • Top-tier low-light performance compared with other current generation megapixel cameras, and best among 1080p cameras in our tests.
  • Solid WDR performance, though modestly below current competitive WDR models.
  • Color imaging was somewhat desaturated compared to all other cameras in our tests. Note: alternative vibrant mode may be considered (shown at end of review).
  • Lower bandwidth consumption than other cameras in the same scenes, both day and night.
  • Bosch's IVA analytics are now included in the NBN-932V as standard, but are not part of this test.
  • Compared to the Bosch 832, it has much better WDR and bandwidth consumption but at a modestly higher price.
  • Price: The NBN-932V sells online for $1,000-1,100 USD, including lens. This prices it above most competitors, usually in the range of $700-800 online, and on par with the Sony SNC-CH240.

Recommendations

The NBN-932V perform comparatively well under a wide variety of lighting conditions, including low-light and wide dynamic scenes. This is especially true considering its bandwidth efficiency. However, it is expensive. Those seeking only WDR performance may be served equally well by less expensive competitive models. Additionally, if true color is especially of concern, users should make sure the 932's desaturation is not an issue before deploying.

Configuration Overview

This screencast overviews key camera configuration and settings.

Low Light Performance

In our WDR shootout, the NBN-932V performed best among cameras over 1.3MP. Other 1080p and 3MP cameras, such as the Panasonic WV-SP509, the Sony SNC-CH240, and Arecont's 3116DN were so dark the subject could barely be detected, if at all. The Avigilon H3 series performed better, but was still markedly dimmer than the 932V, as seen in this comparison.

WDR Performance

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We tested the NBN-932V's WDR performance against five competitors in our 2013 WDR Shootout. We found that performance was solid, but not quite on part with some top performers in the test. These example images show performance in a garage scene, with an overhead door open with strong sunlight behind the subject (click for larger versions). In this shot, we can see that Bosch is noticeably darker than other cameras, but letters on the chart and facial details are still revealed. Outside, through the door, details are crisp.

Garage, in door

With the subject standing in the darker area next to the door, details are lost.

Garage, next to door

Indoor Performance

The most notable negative against the NBN-932V is a noticeable desaturation in the image, illustrated in the comparison below. All other cameras in this scene have color issues, as well, displaying varying levels of desaturation, oversaturation, or tint, but Bosch is noticeably more desaturated than others. In this scene, the Axis Q1604 displays the wall and chart colors most truly, with Avigilon closer to life on the subject's face, clothing, and hair. Adjusting image controls in the web interface may moderately compensate for the 932's desaturation, but not 100%.


Desaturation Issue

Bosch addresses this desaturation with one of their modes, named "Vibrant", which may be selected through the camera's image quality settings in the web interface. This mode increases saturation, contrast, and sharpness, and does provide modest improvement in color representation. This difference can be seen in these comparison images:

Bandwidth Consumption

The NBN-932V's bandwidth consumption was generally lower than other VBR cameras in our test (Only Sony was CBR, 4 Mb/s). All cameras were set to VBR mode with a 12 Mb/s cap in our test, to provide substantial headroom before the cap was met.

Iin our daytime scene, bandwidth was as follows:

  • Bosch NBN-932V: 700-1,000 Kb/s
  • Arecont AV3116DNv1: 8-10.5 Mb/s
  • Avigilon H3 3MP: ~3 Mb/s
  • Axis Q1604: 1.4-1.6 Mb/s
  • Panasonic WV-SP509: ~8 Mb/s

At night, bandwidth increases, but is still low relative to all cameras but Panasonic. Note that the WV-SP509 was producing a very dark image, and thus transmitting less information, which may account for the significant drop in bandwidth from day mode.

  • Bosch NBN-932V: 4.5-5 Mb/s
  • Arecont AV3116DNv1: 9-12 Mb/s
  • Avigilon H3 3MP: 10-12 Mb/s
  • Axis Q1604: ~9 Mb/s
  • Panasonic WV-SP509: 2.5-3.5 Mb/s

3 reports cite this report:

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