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09-04-2014, 06:17 PM   #1
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GPS for the K-3

Can anyone give me information on how to add GPS to the K-3 camera? The Pentax O-GPS1 is not for the K-3 I have been told.

09-04-2014, 06:25 PM   #2
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Whoever told you that has no clue.

Works just fine.
09-04-2014, 06:25 PM   #3
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QuoteOriginally posted by BarryDarnell Quote
Can anyone give me information on how to add GPS to the K-3 camera? The Pentax O-GPS1 is not for the K-3 I have been told.
It should be, but Ricoh hasn't updated their site on it.
09-04-2014, 06:34 PM   #4
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Japan site is always more accurate. US site does not seem to get update often

GPS UNIT O-GPS1 | RICOH IMAGING

09-04-2014, 08:00 PM   #5
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I got my O-GPS1 last week and it works great on the K-3. Haven't tried Astrotracer yet, but the basic geolocation functionality works great.
09-04-2014, 08:03 PM   #6
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Ricoh should send new product descriptions to the vendors as well. I may be wrong, but isn't the O-GPS1 supported on all current Pentax dSLRs and has been for a couple of years?


Steve
09-04-2014, 08:20 PM   #7
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QuoteOriginally posted by stevebrot Quote
I may be wrong, but isn't the O-GPS1 supported on all current Pentax dSLRs and has been for a couple of years?
Everything after the k-x I believe. The k-r and forward are all listed as compatible on the Ricoh Japan site. Including the 645D, but not the 645z, (yet).
09-05-2014, 01:11 AM   #8
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QuoteOriginally posted by jatrax Quote
Including the 645D, but not the 645z, (yet).
Also including the 645z, at least according to the manual (p.96) and the menu reference (p. R18):

http://www.ricoh-imaging.co.jp/english/support/man-pdf/645z_menu.pdf

09-05-2014, 02:35 AM   #9
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Of course the O-GPS1 works on the K-3...

09-05-2014, 04:34 AM   #10
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It works very well. Astrotracer function too and it's lot of fun.
09-05-2014, 05:08 AM   #11
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As the other posters have written the GPS works just fine on the K-3. However, on earlier cameras the GPS allowed a kind of track back function. That, apparently, is not available with the K-3. I never used the function with K-5 or K-3 so I cannot tell you more. What is certain is the the essential GPS stamping of files and Astrotrace work well with the K-3.
09-05-2014, 06:29 AM   #12
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QuoteOriginally posted by Tjompen1968 Quote
Of course the O-GPS1 works on the K-3...
QuoteOriginally posted by Mikesul Quote
What is certain is the the essential GPS stamping of files and Astrotrace work well with the K-3.
Indeed - it even works quite well with long lenses in the midst of my city with all its magnetic disturbances.

Wirhlpool Galaxy M51 seen with K-3, Tamron 350mm f/5.6 mirror lens and O-GPS1:




Sorry for the light pollution - but the O-GPS1 can not be blamed for that.......
09-05-2014, 06:45 AM   #13
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QuoteOriginally posted by Stone G. Quote
Indeed - it even works quite well with long lenses in the midst of my city with all its magnetic disturbances.

Wirhlpool Galaxy M51 seen with K-3, Tamron 350mm f/5.6 mirror lens and O-GPS1:




Sorry for the light pollution - but the O-GPS1 can not be blamed for that.......
I cant get my DA*300 to give me good tracking. How long time was this shot? How did you go about when taking it? What direction? (i.e North, South...)

/T
09-05-2014, 09:25 AM - 1 Like   #14
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QuoteOriginally posted by Tjompen1968 Quote
How did you go about when taking it?
HI Tjompen 1968

The image shown is a stack of 32 exposures in DSS. Each exposure was 350mm, f/5.6, 20s, ISO3200. To answer the other part of yourquestion, let's take a coser look:

As I said,I shoot from the centre of my town. And first a screen dump from Geosetter to show:



ExifTool tells me that the direction of image is 315.88 degrees; the time of shooting was 28 August 2014 at UT = 23:37 (11:37 p.m.) and I can check with the actual azimuth of M51 in Cartes du Ciel (Sky Chart) with gives me Az = 314,07 degrees. Now THAT's unsual - I am usually off by several more degrees when I shoot from this position.

More importantly, (or so I believe), M51 wasn't too high in the sky. ExifTool says 28 degrees and CdC says 27 degrees 55 minutes. The higher in the sky you point, the higher the error in compass reading of the heading will have to be. And the longer the focal length, the more demanding is the accuracy requirement.

I attach a downscaled but otherwise unprocessed version of one of the original images. Then you may compare notes in ExifTool with your own images, if you so wish:



(long live DSS!)

ADDENDUM:
QuoteOriginally posted by Tjompen1968 Quote
I cant get my DA*300 to give me good tracking.

The following may sound like superstition - and it may well be so. Anyway:

The best (and currently only) advise I can give is to keep on trying. It reminds of the time when I got my O-GPS1 for the K-5. To begin with, anything above 200mm and often less produced some kind of trailing, sometimes more and sometimes less, no matter at what direction I was pointing, from what site and at what time. But I kept on shooting with various lenses in all directions. And then, rather abruptly, my sucess rate increased.

I've always felt (yes, superstitious maybe) that I was dealing with some kind of "burn-in" requirement so taht the actuators could wirk with less effort.

Same story when I got the K-3, although not nearly as much.

So, keep on trying.....

Last edited by Stone G.; 09-05-2014 at 10:48 AM. Reason: ADDENDUM
09-05-2014, 11:02 AM   #15
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Many thanks! When thinking about it I to had some starting up problems with the K-5 and I just assumed it was me who had to learn, not the camera

I will keep it up and maybe tonight I get lucky....
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