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09-14-2018, 06:51 AM   #1
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K-30 - How can I extend shutter speed to more than 30s for astrography purposes

Hi,

I am into astrography but found it difficult to find a sfotware that I can control my Pentax K-30 and extend shutter to for example up to 1-3 minutes. Max is 30s

Can someone please help ?

Thanks a lot

09-14-2018, 07:03 AM   #2
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B (bulb) setting. Not even the K1 goes beyond 30sec. Use a external intervalometer or stack several 30sec exposures.
Probably a good idea to look at the astrophotography tips here.
09-14-2018, 07:17 AM - 1 Like   #3
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First off, you'll need to get some kind of IR remote or shutter cable. Once you do that, you can use the Bulb feature on the dial. It'll be the "B" on the dial. Before using it, there is a setting in the menu that you'll have to change. If you go to page 89 of the K-30 instruction manual, it's there. You change it to mode 2. Now this is where the fun begins. Once you've done the settings, make sure to set the camera to use the remote. Put the dial into "B". Press the button on the remote to open the shutter. Expose for whatever length of time you need. Then press the button on the remote to close the shutter. Look at the results on the viewfinder & change whatever ISO or aperture settings you need to change.

There it is in a nutshell, but you really need an IR remote or a cable to do this. You avoid moving the camera. I think Mode 1 is where you have to hold the shutter button, but I don't know anyone that can physically stay still for a long period of time.
09-14-2018, 01:01 PM   #4
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QuoteOriginally posted by bavd Quote
B (bulb) setting. Not even the K1 goes beyond 30sec. Use a external intervalometer or stack several 30sec exposures.
Probably a good idea to look at the astrophotography tips here.
Yes it does; the K-70 and newer (which includes the K-1, KP, and K-1 II) can be set to expose for up to 20 minutes in B.

QuoteOriginally posted by piotrando1 Quote
I am into astrography but found it difficult to find a sfotware that I can control my Pentax K-30 and extend shutter to for example up to 1-3 minutes. Max is 30s

You will need to use bulb mode and an IR/cable remote; only newer models (see above) support longer timed shooting.


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6 Days Ago   #5
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Thanks a lot - I will try with cable and those setting s
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30s for astrography, astrophotgraphy, k-30, k-50, nightsky, pentax k30, pentax k50, planets, shutter, shutter / timer
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