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Forum: Pentax Camera and Field Accessories 12-10-2018, 01:51 PM  
Tripod head for astro/DSO photography?
Posted By Ben_Edict
Replies: 16
Views: 2,572
Dear Steve
I gave my suggestion which may hopefully been perceived as being helpful, three posts further up that thread. This last post was only ment to correct a common misconception.

Ben
Forum: Pentax Camera and Field Accessories 12-09-2018, 05:56 PM  
Tripod head for astro/DSO photography?
Posted By Ben_Edict
Replies: 16
Views: 2,572
Der jeffdrew

Unfortunately an alt/az-mount is quite useless for astrophotography (unless you use it as a normal static tripod head), because you will introduce visible field rotation after about 20 s of exposure (depending on the height of the objects above the equator and the focal length of the lens). There is a reason, why we still use equatorial mounts for astrophotography today. The alternative would be a field derotator, but that is neither cheap, nor easy to carry, as it needs some kind of logic control.

Ben
Forum: Pentax Camera and Field Accessories 12-09-2018, 06:33 AM  
Tripod head for astro/DSO photography?
Posted By Ben_Edict
Replies: 16
Views: 2,572
Hi Pyman
As you want to use the Astrotracer function - I guess, beaucs it is a lightweight, hazzle-free option - and you already own a Skyguider, I think a simple, robust ball head or even a normal 3D-head would be best suited to hold the camera in place, while letting do the Astrotracer its work.
I personally prefer ArcaSwiss Monoballs for their stabilty and and wokmanship. But also a bigger Manfrotto or Gitzo head would be a good choice. And there are other brands out there, which seem to have a good reputation. But I cannot comment on products I haven't used. A very lightweight, but still quite steady option are the smaller Novoflex ball heads. I use a small Ball30 on my hiking tripod.

Ben
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