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PostPosted: Tue Apr 02, 2013 9:18 pm 
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Joined: Tue Jul 20, 2010 8:22 am
Posts: 2075
Location: Warks
any recommendations around £100?
I bought a couple and sent them back , stupid problems, this one looks like it was filmed on jelly! :lol:
https://www.dropbox.com/sh/k2bprrlmc64l0gy/htTua-Wrk1


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PostPosted: Thu Apr 04, 2013 11:22 pm 
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Joined: Mon Mar 26, 2012 5:21 pm
Posts: 589
Avoid bike mounted cameras: too much vibration.


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PostPosted: Fri Apr 05, 2013 3:25 pm 
rBoTM Winner
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Joined: Tue Mar 27, 2012 9:28 pm
Posts: 3104
Location: Mansfield Woodhouse, Nott's.
ScillySuffolk wrote:
Avoid bike mounted cameras: too much vibration.

I'll second that!


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PostPosted: Fri Apr 05, 2013 3:31 pm 
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Joined: Tue Jul 20, 2010 8:22 am
Posts: 2075
Location: Warks
ah...


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PostPosted: Fri Apr 05, 2013 3:44 pm 
rBoTM Winner
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Joined: Tue Mar 27, 2012 9:28 pm
Posts: 3104
Location: Mansfield Woodhouse, Nott's.
My first attempt at having a camera on my bike was by using my standard digi camera
which had a film record option on it, with a high gig memory card fitted combined with a
camera mount which was fitted to the bars, the first outing was terrible vibration then I
added a bit of pipe insulation to the clamp and was much better.

I used this for well over a year until one day it rained and buggered the camera.

To get me going all I purchased was this mount at just £3....
http://www.ebay.co.uk/itm/Bike-Bicycle- ... 3f1e242df8

My main quibble with helmet camera's is.... Is it recording! Did I press stop! Is it recording now!
many camera's let you know what mode its in with 'beeps' to tell you but I find it confusing.

This was my result using sponge on the clamp
http://www.youtube.com/watch?v=bJBiE48AaAo


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PostPosted: Fri Apr 05, 2013 4:20 pm 
Dirt Disciple

Joined: Mon Jan 21, 2013 3:41 pm
Posts: 55
Location: Bromley
All I see/hear about is gopro's

My friend has one and I'm going to try and borrow it to have a go!


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PostPosted: Fri Apr 05, 2013 10:58 pm 
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Joined: Thu Jan 31, 2013 11:17 pm
Posts: 6
I've used a number of (mainly Contour) bar mounted cameras and you can get good results. The main problem is vibration, not only off-putting to watch but it also can cause rolling shutter wobbly (jello) video with cmos sensors. This can be minimised using very wide angle settings, which sets foreground oscillation movement further into the background, minimising its amplitude and rolling shutter effect. This and using 60fps (higher sensor scan speed) can give some pretty good video - generally this means using 720p video, 170 degree fov, 60fps.

Watch out for fov claims - a cam may be advertised as 170 degree fov but only achieve that at 720p, with 1080p at 130 degrees only. Some cams are now appearing with 170 degree 1080p video at 60fps. That must fill up a memory card pretty quickly.

The other problem is that bar mounts have to be absolutely rigid to avoid road vibration being exacerbated by mount vibration. I've always ended up making my own as supplied ones have adjustable joints that, no matter how rigid they appear, just make road vibration worse.

GoPro are the market leaders but the ContourRoam2 cams are pretty good and less nerdy-looking. Here's some video (40mb) from an older Contour cam that has been re-rendered in Dashware:

http://whimsy.myzen.co.uk/example/melton.mp4

John


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PostPosted: Sat Apr 06, 2013 12:13 am 
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Joined: Tue Jul 20, 2010 8:22 am
Posts: 2075
Location: Warks
very useful info...thanks, I'll delve into the menu and see if I can tweak the settings :)


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