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Forum: Pentax K-30 & K-50 02-28-2019, 03:26 PM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
Yes it does. It uses electronic contacts and motor in the lens to control aperture
Forum: Pentax K-30 & K-50 02-28-2019, 08:01 AM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
I have been running the firmware for a 1 1/2 years now mostly using the 55-300 PLM lens and I think it is holding off my aperture block failure. I first noticed dark first shots with my 55-300 DAL over a year ago. After switching to the new firmware and a new 55-300 PLM I no longer see dark images with my other Pentax lenses, maybe saving usage on the Aperture block solenoid as most of my images are with the PLM. I do use my 18-135 often without problems hope it continues.
Forum: Pentax K-30 & K-50 10-20-2018, 01:06 PM  
Sticky: Dark exposure problems on K-30 or K-50? Discussion Thread
Posted By hnikesch
Replies: 289
Views: 39,229
The date stamp is 2018 6. 5
Forum: Pentax K-30 & K-50 10-18-2018, 02:14 PM  
Sticky: Dark exposure problems on K-30 or K-50? Discussion Thread
Posted By hnikesch
Replies: 289
Views: 39,229
Just received the aperture block from US Camera and it has the GREEN solenoid, If I can't find a white one I may just put in the GREEN Sol. when my K30 Solenoid dies, it's showing dark frame for the first shot on occasion so I started using AA adapter.
Forum: Pentax K-30 & K-50 10-08-2018, 06:45 AM  
Flash for K-50 ???
Posted By hnikesch
Replies: 10
Views: 908
I use several old 1970's and 80's flash units on my K30, they have an auto circuit that determines exposure when you set your camera on a pre determined aperture and ISO setting. They worked well then and still do. Here is a chart of flash trigger voltage, the ones I use have a voltage below 12V

Voltages | DPanswers

I have a Pentax HF200T, Sunpak Auto 30XD and a Vivitar Series 1 600 c/r all available for around $20 used on Ebay
Forum: Pentax K-30 & K-50 10-07-2018, 02:18 PM  
Dreaded ABF
Posted By hnikesch
Replies: 24
Views: 1,038
I plan on keeping my K30 and fixing if required, All the new mid range Pentax bodies K70 & Ks2 have the same issue so an upgrade is not in my future until Pentax comes up with a new body without this issue.
Forum: Pentax K-30 & K-50 10-06-2018, 09:05 AM  
K-30/K-50 Aperture Control Problem/Black Photo Repair - How I did it.
Posted By hnikesch
Replies: 84
Views: 32,475
What's interesting to me is in the above image is the slide (fork) is slightly tipped not straight indicating slop in the solenoid housing.
Forum: Pentax K-30 & K-50 10-06-2018, 08:44 AM  
Dreaded ABF
Posted By hnikesch
Replies: 24
Views: 1,038
I just ordered a new Green Solenoid from China for $10 and my hunt for an old body white Sol. continues.
Forum: Pentax K-30 & K-50 10-06-2018, 08:31 AM  
Dreaded ABF
Posted By hnikesch
Replies: 24
Views: 1,038
I am limping along with AA batteries and all is still good. Looking for an old body to get the solenoid for when I need it. Reading the Ebay site for the white Sol. they seem to be removed from older bodies and not a new part. I figure pulling the part myself will be good practice for replacing it in my K30. I mostly use my K30 for wildlife with my 55-300 PLM so even it the solenoid dies that lens will still work but I will miss using my primes and 16-135 so I will attempt to fix if when and if required. My K30 has 20,000 clicks so the installed green solenoid worked for 20,000 cycles if I can't find a white Sol. I may just put in a NEW green one.
Forum: Pentax K-30 & K-50 09-29-2018, 08:57 AM  
Dreaded ABF
Posted By hnikesch
Replies: 24
Views: 1,038
Anyone found a good source for the White Solenoid, just lost a bit on an old body, ebay seems to only have the green sol.
Forum: Pentax K-30 & K-50 09-25-2018, 11:31 AM  
Dreaded ABF
Posted By hnikesch
Replies: 24
Views: 1,038
I have the AA adapter, I have read it could be a temp fix, I will have to try it.
Forum: Pentax K-30 & K-50 09-25-2018, 11:11 AM  
Dreaded ABF
Posted By hnikesch
Replies: 24
Views: 1,038
My K30 is starting to show the dredged aperture block failure on all but the PLM lens, showing dark frames for the first few shots then working ok with my DA 18-135. Will have to see how long it lasts before I have to fix it or replace it.
Forum: Pentax K-30 & K-50 09-25-2018, 08:44 AM  
K-50 / K-500 Aperture Solenoid fix (DIY with pics)
Posted By hnikesch
Replies: 255
Views: 42,931
I am starting to see dark frames on my K30, goes away after a few shots, I have not tried my AA adapter yet. I plan on shooting with the Li batteries until it no longer works. I installed the K50 firmware on my K30 (from a different post) several months ago and purchased a PLM 55-300 lens thinking my K30 might develop the aperture problem in the future and I didn't want to buy a lens that wouldn't work, it aperture seems to be starting to fail on all but the PLM lens. The PLM lens works with no problems. I am having problems finding the White solenoid so I can do the fix. Any other sources for the part???? Ebay shows only the Green Sol. Most of my shooting with the K30 is with the 55-300 PLM but I have other lenses I would like to use sometimes.
Forum: Pentax Q 09-16-2018, 04:27 PM  
Replacement for my Q?
Posted By hnikesch
Replies: 24
Views: 1,489
I use the Panasonic DMC GM5 Super little camera with a M4/3 sensor amazing IQ and a electronic eye level finder

GM5 with 70-200 equiv lens on Left, Q7 with 06 on right

20161129-IMG_7237 by Hans Nikesch, on Flickr

As for the The Clearviewer on a Q7 it works great BUT be careful not to leave it on the camera where the sun can project through the lens on to the LCD screen. I destroyed mine that way.


See the yellow marks on the LCD they are burned in by the sun focused through the Clearviewer lens and show up bright yellow when the LCD in on an image

Forum: Pentax K-30 & K-50 06-25-2018, 02:28 PM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
I have been using the 55-300 PLM on my K30 for 3 months now, it works perfectly, correct exposure, fast focus in all modes, P, AV, TV, TAV, M
Forum: Pentax K-30 & K-50 05-02-2018, 12:58 PM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
I have been shooting the KAF4 DA 55-300 PLM for 2 weeks now and it works great. The only issue so far is that if you don't extend the lens the K30 doesn't provide the warning message to extend the lens but the shutter will not operate. It is easy to notice when you are looking through the finder at a blurred screen that will not focus. No other issues yet, fast focus and aperture works flawlessly.
Forum: Pentax K-30 & K-50 04-20-2018, 01:23 PM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
Thanks again Abel I have been running the K50 firmware on my K30 for 9 months with no problems. Today I got my new DA 55-300 PLM and it works perfectly. I mostly use my K30 for wildlife so I may not care to much if the aperture block dies now that I have the PLM lens. I do have 4 other DA lenses so I really hope it doesn't die but at least it will not be useless.
Forum: Pentax Q 12-21-2017, 03:22 PM  
Q Sitting on my shelf.
Posted By hnikesch
Replies: 19
Views: 2,727
I also use this viewer but beware I was carrying my Q7 with view lens attached with lcd facing up and the sun focused through the viewer lens and burned the LCD right in the center of the screen. see below





Can't be fixed without replacing the LCD
Forum: Pentax K-30 & K-50 12-21-2017, 03:04 PM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
Great to hear, thanks
Forum: Pentax K-30 & K-50 12-18-2017, 09:49 AM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
All still great on my K30 with this firmware been almost 6 months now, still holding out for a 55-300 plm. If the K50 gets a new firmware will we also see one from ABel ???
Forum: Pentax K-30 & K-50 12-18-2017, 09:39 AM  
Lens Problems, Help Please.
Posted By hnikesch
Replies: 10
Views: 653
My favorite lens on my blue K30 is the DA 55-300
Forum: Pentax K-30 & K-50 09-02-2017, 12:08 PM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
Been running the K50 firmware on my K30 now for over a month, no issues, all functions are good, battery life not effected, No noticeable changes in behavior. Put about 500 shots on it, an airshow and some people shots, all is good
Forum: Pentax K-30 & K-50 08-21-2017, 09:21 AM  
Post Your K-30 Photos Here
Posted By hnikesch
Replies: 2,687
Views: 461,276
WW2 warbirds from Saturdays airshow. One thing that worked out was to set at the downwind end of the field as I could get shots of the aircraft turning into the runway for the fly by, Shot with my K30 and DAL 55-300

British World War 2 Fighter Plane Hurricane

20170819-IMGP4825 by Hans Nikesch, on Flickr

P-40 Warhawk Fighter Plane

20170819-IMGP4828 by Hans Nikesch, on Flickr

North American B-25 Mitchell

20170819-IMGP4832 by Hans Nikesch, on Flickr

20170819-IMGP4915 by Hans Nikesch, on Flickr

20170819-IMGP4843 by Hans Nikesch, on Flickr

Air Force T 6 Trainer Aircraft

20170819-IMGP4852 by Hans Nikesch, on Flickr

C-47 Gooney Bird

20170819-IMGP4864 by Hans Nikesch, on Flickr

B-17 Flying Fortress Aircraft

20170819-IMGP4877 by Hans Nikesch, on Flickr

20170819-IMGP4870 by Hans Nikesch, on Flickr

P-51 Red Tails Mustang

20170819-IMGP4882 by Hans Nikesch, on Flickr

T-6 Texan Trainer Aircraft

20170819-IMGP4884 by Hans Nikesch, on Flickr

20170819-IMGP4895 by Hans Nikesch, on Flickr
Forum: Pentax K-30 & K-50 08-17-2017, 08:01 AM  
Running K-50 firmware on K-30
Posted By hnikesch
Replies: 173
Views: 32,431
That's great to hear,

This firmware will allow me and my K30 to upgrade to the 55-300 PLM without getting a new K70 body, I wouldn't have gone for the K50, thanks for doing a great service to us K30 owners
Forum: Pentax News and Rumors 07-28-2017, 01:49 PM  
Pentax User Map : New Forum Feature!
Posted By hnikesch
Replies: 88
Views: 15,884
I'm in
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