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06-27-2015, 02:12 AM   #1
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Astrophotography help!

I'm looking to do some astrophotography with my Pentax MX, would anyone be able to advise me which T Ring I would need for this model?

(such as this TS-Optics T-Ring for Pentax K SLR and DSLR cameras: Camera & Photo )

I'm not very good with technical stuff! Thanks

06-27-2015, 08:12 AM - 1 Like   #2
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Stone G.'s Avatar

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For an MX you will ned a T Ring (strictly: A T2-Ring) for Pentax K, usually labelled "P/K". But what kind of optics will you be using?
06-27-2015, 08:15 AM - 1 Like   #3
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Here is an amazon link to the one I have. I have it fixed to my field flatener so for me its like mounting a small lens that I then place in the telescope.
07-13-2015, 02:21 AM   #4
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I'm very much a beginner with all of this and I'm not looking to take professional standard photos obviously but for anything to come out at all would be great!

I am using this telescope
And have ordered this adapter (is it the right thing)
Is the T ring the only thing left to get?

Do you have any other tips for taking analogue photographs through a telescope?

Thanks for your help so far guys

08-02-2015, 12:29 AM   #5
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For film astro, shoot Acros.

The reciprocity failure is minimal - I think it's a half a stop beyond a few minutes.

On the other hand, looking at the scope you'll use, there's no real option for guiding, so your best bet will be to shoot something big and bright, like the moon.

In this case, your scope will be about F11.7. An exposure of the moon surface will likely be 1/250 second when using Acros. Remember, the moon is a sunlit surface, so the sunny 16 rule works here.

It's worth a try to see how it goes.
08-02-2015, 03:31 AM   #6
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Rob you need this bit too
T2 T Mount Lens Adapter Ring for Pentax K PK K-7 K-x: Electronics

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