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Forum: Pentax K-30 & K-50 09-13-2018, 06:42 AM  
Sticky: Dark exposure problems on K-30 or K-50? Discussion Thread
Posted By FritzCat66
Replies: 312
Views: 45,553
This is why I was kind of leaning towards replacing it sooner rather than later - because I don't want it failing on a trip or something, so if it's pretty much inevitable that it will fail, then just do it now. The shutter count is low in part because I bought it new in the box yet only a couple years ago from old stock (I had still been using my trusty film SuperProgram until then - so yeah, my expectation from a Pentax is many decades of use); even so, it's true I tend to use it a lot on a trip or a launch, then it stays in the closet for weeks. But from what I've been reading, if anything that kind of use tends to exacerbate the solenoid problem, making it even more likely to fail.

I wish we had hard numbers on the failure rate and conditions which tend to increase the failure rate.

As for my immediate course of action, I think it will be this: For now, I'll leave it as-is. Locally, I use it to shoot a lot of rocket launches from Kennedy Space Center next door. If it fails on a rocket shoot, not that big a deal, I can take it home afterwards and do the swap. But next time I'm about to take it out on a week-plus journey where I intend to do a lot of shooting, I may swap that solenoid pre-emptively. I was an electronics tech back in the day, certified in soldering up to mil-spec, so as long as I can figure out the mechanicals, I have a lot of confidence in my repair skills.

Thanks, all, for your feedback! These forums are one of the best reasons to continue using Pentax, in my opinion.
Forum: Pentax K-30 & K-50 09-10-2018, 08:31 AM  
Sticky: Dark exposure problems on K-30 or K-50? Discussion Thread
Posted By FritzCat66
Replies: 312
Views: 45,553
So I have a relevant question for the group: I have a replacement white solenoid from eBay (harvested off a K-x/K-p or the like). My K-30 hasn't failed yet, but is it guaranteed to fail? Should I wait to see and replace it if/when it does, or just bite the bullet and hack into it now?

I love my K-30 and don't otherwise want or need to replace it. Especially now that, thanks to this forum, I can upgrade the firmware to give me most of the functionality of a K-50. That's why I got the replacement solenoid now, in case they become scarce. So I guess the answer to my question depends mostly on expected failure rate of the stock solenoid.


Currently, aperture is working fine. When I run the latest photo through the EXIF shutter count tool here on the forums, I get this:

Results
Your photo's metadata indicates the following:
Camera PENTAX K-30
Shutter Count 1,220
Manufacture Date 2012:10:16
Lens smc PENTAX-DA 18-135mm F3.5-5.6 ED AL [IF] DC WR
Forum: Monthly Photo Contests 09-08-2018, 07:19 PM  
Mooney Falls Nocturne
Posted By FritzCat66
Replies: 22
Views: 494
I would like to nominate this photo
Forum: Monthly Photo Contests 09-08-2018, 07:18 PM  
Motion Sickness
Posted By FritzCat66
Replies: 17
Views: 434
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Forum: Monthly Photo Contests 09-08-2018, 07:18 PM  
Ferris Wheel
Posted By FritzCat66
Replies: 16
Views: 373
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Forum: Monthly Photo Contests 09-08-2018, 07:17 PM  
just before dawn
Posted By FritzCat66
Replies: 8
Views: 221
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Forum: Monthly Photo Contests 09-08-2018, 07:17 PM  
Night trains
Posted By FritzCat66
Replies: 34
Views: 650
I would like to nominate this photo
Forum: Winners' Showcase 09-08-2018, 07:15 PM  
August, 2018 Runner-up: Cadillac Mountain Maine USA
Posted By FritzCat66
Replies: 38
Views: 1,147
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Forum: Monthly Photo Contests 09-08-2018, 07:15 PM  
Namibia Star trails
Posted By FritzCat66
Replies: 61
Views: 1,166
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Forum: Monthly Photo Contests 07-08-2018, 04:00 PM  
Sunday Wash-Cuenca, Ecuador
Posted By FritzCat66
Replies: 5
Views: 261
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Forum: Monthly Photo Contests 07-08-2018, 03:59 PM  
June 2018 Contest Submission: Morning mist on the water (rivers & fjords)
Posted By FritzCat66
Replies: 18
Views: 656
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Forum: Monthly Photo Contests 07-08-2018, 03:58 PM  
Quiet river
Posted By FritzCat66
Replies: 4
Views: 138
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Forum: Monthly Photo Contests 07-08-2018, 03:58 PM  
Grand Falls / Little Colorado River
Posted By FritzCat66
Replies: 27
Views: 871
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Forum: Monthly Photo Contests 07-08-2018, 03:56 PM  
Red River at Sulphur Fork Creek, TN
Posted By FritzCat66
Replies: 4
Views: 134
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Forum: Monthly Photo Contests 07-08-2018, 03:56 PM  
Norway
Posted By FritzCat66
Replies: 16
Views: 460
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Forum: Monthly Photo Contests 07-08-2018, 03:55 PM  
Aurlandsfjord
Posted By FritzCat66
Replies: 17
Views: 315
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Forum: Monthly Photo Contests 07-08-2018, 03:55 PM  
Sunset on the Rhine
Posted By FritzCat66
Replies: 6
Views: 152
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Forum: Monthly Photo Contests 07-08-2018, 03:54 PM  
Rio Grande Gorge - from the bridge outside Taos
Posted By FritzCat66
Replies: 6
Views: 170
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Forum: Monthly Photo Contests 07-08-2018, 03:53 PM  
Sendedalsmyrane
Posted By FritzCat66
Replies: 21
Views: 450
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Forum: Monthly Photo Contests 07-08-2018, 03:53 PM  
Flam Fjord in Norway
Posted By FritzCat66
Replies: 8
Views: 477
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Forum: Monthly Photo Contests 07-08-2018, 03:53 PM  
Ontarios' Mississippi River
Posted By FritzCat66
Replies: 5
Views: 216
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Forum: Monthly Photo Contests 07-08-2018, 03:52 PM  
Milford Sound, New Zealand
Posted By FritzCat66
Replies: 15
Views: 396
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Forum: Monthly Photo Contests 07-08-2018, 03:51 PM  
November River Mist
Posted By FritzCat66
Replies: 35
Views: 658
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Forum: Monthly Photo Contests 07-08-2018, 03:51 PM  
Tafjorden, Norway
Posted By FritzCat66
Replies: 10
Views: 346
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Forum: Monthly Photo Contests 07-08-2018, 03:51 PM  
Cruise
Posted By FritzCat66
Replies: 9
Views: 216
I would like to nominate this photo
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