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Comparison Intova SP1, GoPro Hero3, Nikon P300

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Published on Mar 6, 2014

Comparison Intova SP1, GoPro Hero3, Nikon P300

Intova SP1: 1920 x 1080, 29.97 fps (top left)
GoPro Hero3: 1280 x 960, 29.97 fps (top right)
Nikon P300: 1920 x 1080, 29.97 fps (bottom)

Relative apparent sizes have been adjusted in order for objects to appear roughly the same size.

Background information:

In the past we have been optimizing torches, excitation and barrier filters for experiencing underwater fluorescence; see e.g. http://www.fluomedia.org/science/exci... and http://www.fluomedia.org/science/barr... for a documentation of our findings.

It turns out that the torch, excitation filter and barrier filter form an intimately interconnected system, whose components have to be carefully tuned to match and complement each other's optical properties, in order to achieve optimal results. Mixing equipment from different manufacturers therefore is likely to give disappointing results; see e.g. http://www.fluomedia.org/science/exci... for some example images.

We were thus wondering, what about the one remaining and other important component of the system, the camera?

We wondered; everything else kept the same, how big is the influence of the camera on the end result when trying to capture underwater fluorescence?

To answer this question, we filmed fluorescent corals in Bonaire (September 2013) with three cameras at the same time, synchronously.

The cameras were a GoPro HD Hero3 Black Edition, an Intova SP1 and a Nikon CoolPix P300, and used yellow camera filters (barrier filters) of exactly the same material.

Here are our results:

GoPro and SP1 only:
http://www.youtube.com/watch?v=vpH2ft...

GoPro, SP1 and P300:
http://www.youtube.com/watch?v=55aTU-...

As it turns out, the camera has about as much influence on the results as the filters and torches used themselves!

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