External GPS w/ K-3markiii

Started 2 months ago | Discussions thread
JoeOptics314 Forum Member • Posts: 80
Re: External GPS w/ K-3markiii

bob5050 wrote:

JoeOptics314 wrote:

I am glad to see on page 121 of the user manual that my O-GPS1 will still work with this new camera and they implemented the Astrotracer function in it.

Yep. With the add-on, everything's there AFAICS.

It would be great if they came out with an updated version of the O-GPS,

Since they're coming out with a brand new camera that uses it, I can see two obvious possibilities: either they're coming out with a new one, or there are a ton of existing O-GPS1s on the shelf still to sell. They can't let the K-3iii go without.

That thought has left me holding off on getting one at the moment, even though GPS image location stamping is a feature I very much want.

I bought it for the GPS logging into the EXIF data and have found it excellent.  At least compared with the alternative I used for a few years which is an external GPS logger and then syncing up the lat-long off the camera clock.  But since I take a lot of pictures while biking, I found drift in the camera clock time to yield poor location accuracy, plus I found it a pain and rarely did it.  The O-GPS price was worth it to me.  I knew nothing about the Astrotracer function and have only tried it out recently.  It is a bit annoying to use and I really hope your guess of a new design is coming.  It is a pain do the 3 axis calibration by rotating the camera with a lens on it.  And needing to do it repeatedly when the accuracy start to drift.  As shown by star trails reappearing.  It may also be sensitive to metals nearby messing up the compass function when you move with respect to them.  I have not tried to figure out exactly why the earth rotation tracking function seems erratic.  But its something I am sure could be fixed in a new design.


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Pentax K-70 Pentax K-3 Mark III Pentax smc DA 55-300mm F4.0-5.8 ED Pentax smc DA* 300mm F4.0 ED (IF) SDM Tamron AF 18-200mm F/3.5-6.3 XR Di II LD Aspherical (IF) Macro +6 more
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