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Nikon WU-1a Wireless adapter & Smart Phone App   -   Page   2
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Posted: Fri Dec 18th, 2015 15:55
 
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Sixstringslinger



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jk, you speak of the Triggertrap app and connecting cables?

It make for a higher quality device compared to the Nikon cabled remote me thinks.



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Posted: Fri Dec 18th, 2015 18:50
 
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Robert



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Sixstringslinger wrote:
jk, you speak of the Triggertrap app and connecting cables?

It make for a higher quality device compared to the Nikon cabled remote me thinks.


You can't beat a bit of hard wiring. You can wriggle the connections when it doesn't work and it usually comes back to life. Wi-fi on the other hand... o.O



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Posted: Sat Dec 19th, 2015 11:24
 
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amazing50

 

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Robert Wrote:
JK, do you know how Nikon cameras cope with 'bulb' exposures of greater than one hour?

My understanding is that digital cameras in general, limit 'bulb' exposure to 60 minutes, yet that remote you quote offers 99 hours, 59 minutes and 59 seconds...

My lack of understanding of this is one reason I haven't yet attempted to make an 8 hour star trail image.




Long exposures build up noise, astro cameras have various cooling devices to reduce noise on long exposures like liquid nitrogen.

There are programs to combine time lapse sequences into a nice trail pix on the astronomy sites.

Sony has an App fro the R7xxx cameras that builds up movement of point light sources.



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Posted: Sat Dec 19th, 2015 13:27
 
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jk



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Robert is pretty expert at this probably more so than me.


OK In my experience if you are using long exposures such as 1 hour or more (or even >5 mins) it is better to run the camera on an external DC power supply or the approved Nikon Nikon AC adapter.
Depending on your camera and your uses this may be an expensive option.

Over the years I have built adapters and battery packs to suit my cameras.

Best is to shoot RAW and do your own noise reduction (need to switch off long exposure Noise Reduction in the CSM.

For the 8 hour start trail you need do a multiple long exposure set of 50-200 images (each image 2-10 minutes) rather than one big exposure then combine in Photoshop.
Also use lowest ISO e.g. ISO200.
That way if necessary you can change batteries along the way ;-) Saves the expenses of external DC supply or Nikon external AC power adapter for the camera.


For really nice star trails you need a polar mount or set up your camera on the tripod pointing North and adjust very carefully then you get nice results.



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Posted: Sun Dec 20th, 2015 20:43
 
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amazing50

 

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Don't know if you use a lens heater to keep the dew from condensing on your lens in Spain, but it is a problem in Ontario most of the year.

Sometimes it is snowing so hard that dew can't form.:lol:



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Posted: Mon Dec 21st, 2015 02:59
 
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jk



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amazing50 wrote: Don't know if you use a lens heater to keep the dew from condensing on your lens in Spain, but it is a problem in Ontario most of the year.

Sometimes it is snowing so hard that dew can't form.:lol:

I have loads of friends and a couple of cousins in Canada. 
I have told them that I am sure that Canada only has one day of summer and 360 of winter and the rest is spring and autumn.  It is too cold for me.



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Posted: Wed Dec 23rd, 2015 00:36
 
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amazing50

 

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Actually been quite warm, for us, so far this winter. Only a few cm. of snow that melted next day.



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Posted: Mon Dec 28th, 2015 03:42
 
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Robert



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Back on topic...

I think this may be a better bet for anyone wanting this functionality. But it comes at a cost.

http://camranger.com/features/

Seems a pretty competent piece of gear. I came across it by accident and thought it may be of interest to somebody with a serious need.



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Posted: Mon Dec 28th, 2015 14:11
 
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jk



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Nice piece of kit.



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Posted: Sun Feb 21st, 2016 17:39
 
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Robert



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Another possible option... (as mentioned in another thread)

http://dslrdashboard.info



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