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**Oakland Rob** · 10-26-2015, 01:21 PM

The increments on the shutter speed seem invariable on my K50 once I get up around 2 seconds or more. Is there a way to say set a 23 second shutter speed? Or do I have to go bulb and use an intervalometer?

Adam · 10-26-2015, 01:33 PM

Yes, you would have to use bulb. But it shouldn't be necessary in you case- for instance the difference between 23s and 20s is about fifth of a stop, which you could compensate for in post if necessary.

**Oakland Rob** · 10-26-2015, 02:06 PM

Originally posted by Adam

Yes, you would have to use bulb. But it shouldn't be necessary in you case- for instance the difference between 23s and 20s is about fifth of a stop, which you could compensate for in post if necessary.

It's because of motion. With stars, depending on the lens, it can make a bit of difference in the perceived star trail. (15, 20 30 being the only options; I used 23 as a random example). I'd prefer to use the max I can without the trails rather than bumping up in post, since some stars won't even appear.

Adam · 10-26-2015, 02:43 PM

Makes sense. You'd have to use bulb then, or you could unlock even longer shutter speeds with the gps.

Adam
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stevebrot · 10-26-2015, 05:15 PM

Use bulb with a wired remote.

Steve

**UncleVanya** · 10-26-2015, 07:33 PM

Programmable wired remote like this? I think you can set bulb mode on camera and have it control the time of the button press.

Vello Shutterboss Version II Timer Remote Switch RC-C1II B&H

**Oakland Rob** · 10-27-2015, 08:20 AM

I generally use a Trigger Trap and my iPhone...when I remember to bring it.

stevebrot · 10-30-2015, 04:34 PM

Originally posted by UncleVanya

Programmable wired remote like this? I think you can set bulb mode on camera and have it control the time of the button press.

Vello Shutterboss Version II Timer Remote Switch RC-C1II B&H

Yep, one like that. I use a virtually identical unit sold under the Bower brand.

Steve

10-26-2015, 01:21 PM	#1
Oakland Rob Loyal Site Supporter Join Date: Apr 2015 Location: Bay Area California Photos: Gallery \| Albums Posts: 798	K50 variable long shutter speeds The increments on the shutter speed seem invariable on my K50 once I get up around 2 seconds or more. Is there a way to say set a 23 second shutter speed? Or do I have to go bulb and use an intervalometer?

10-26-2015, 01:33 PM	#2
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,608	Yes, you would have to use bulb. But it shouldn't be necessary in you case- for instance the difference between 23s and 20s is about fifth of a stop, which you could compensate for in post if necessary. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

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10-26-2015, 02:06 PM	#3
Oakland Rob Loyal Site Supporter Join Date: Apr 2015 Location: Bay Area California Photos: Gallery \| Albums Posts: 798 Original Poster	Originally posted by Adam Yes, you would have to use bulb. But it shouldn't be necessary in you case- for instance the difference between 23s and 20s is about fifth of a stop, which you could compensate for in post if necessary. It's because of motion. With stars, depending on the lens, it can make a bit of difference in the perceived star trail. (15, 20 30 being the only options; I used 23 as a random example). I'd prefer to use the max I can without the trails rather than bumping up in post, since some stars won't even appear.

10-26-2015, 02:43 PM	#4
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,608	Makes sense. You'd have to use bulb then, or you could unlock even longer shutter speeds with the gps. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

10-26-2015, 05:15 PM	#5
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Use bulb with a wired remote. Steve

10-26-2015, 07:33 PM	#6
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,468	Programmable wired remote like this? I think you can set bulb mode on camera and have it control the time of the button press. Vello Shutterboss Version II Timer Remote Switch RC-C1II B&H

10-27-2015, 08:20 AM	#7
Oakland Rob Loyal Site Supporter Join Date: Apr 2015 Location: Bay Area California Photos: Gallery \| Albums Posts: 798 Original Poster	I generally use a Trigger Trap and my iPhone...when I remember to bring it.

10-30-2015, 04:34 PM	#8
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by UncleVanya Programmable wired remote like this? I think you can set bulb mode on camera and have it control the time of the button press. Vello Shutterboss Version II Timer Remote Switch RC-C1II B&H Yep, one like that. I use a virtually identical unit sold under the Bower brand. Steve

K50 variable long shutter speeds

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