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07-18-2017, 07:45 PM   #1
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Old Film Guy

I'm an old film guy (OM-1 and K1000 still like new) looking to get my first DSLR. I'm trying to decide between a K-70 and a K-3ii. I mainly used my film SLRs for astrophotography (AP) and intend to pursue that again. The D-70 looks intriguing given the feature set and cost but I haven't seen many examples of using it for AP. This is one of the few: Pentax K-70/SMC Pentax-M 200mm F4/O-GPS1 - Orion and the Whirlpool Galaxy - Astrophotography -

Does anyone know how the K-70 performs for AP compared to the K-3/ii (or to a K-5/ii)? The K-3ii has the built-in Astrotracer functionality, which is nice, but it is missing an articulated display. So I can't decide which I would prefer.

PS. If I could figure out how to join the Astrophotography group I would ask this there.

07-18-2017, 10:03 PM   #2
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Hi from Australia, and welcome to the Pentax forums. The link below takes you to the " stargazers " and they would be happy to have you there. Good to have you aboard.

Astrophotography -
07-19-2017, 05:37 AM   #3
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you can get a right-angle viewfinder adapter. There are a few options, and are good enough to sight your target. That mitigates the need for the articulated screen, if you're using live view.
07-19-2017, 11:32 AM   #4
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The interval timer functions are very sophisticated on the K3ii - I'm not sure how this compares to the K-70.

07-20-2017, 01:28 PM   #5
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Welcome to the forum, I'll let cleverer people than me give you all the performance data.

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